Topological changes in the magnetic field of LQ Hya during an activity minimum
Article
Lehtinen, J. J., Kapyla, M. J., Hackman, T., Kochukhov, O., Willamo, T., Marsden, S. C., Jeffers, S. V., Henry, G. W. and Jetsu, L.. 2022. "Topological changes in the magnetic field of LQ Hya during an activity minimum." Astronomy and Astrophysics: a European journal. 660, pp. 1-12. https://doi.org/10.1051/0004-6361/201936780
| Article Title | Topological changes in the magnetic field of LQ Hya during an activity minimum |
|---|---|
| ERA Journal ID | 1050 |
| Article Category | Article |
| Authors | Lehtinen, J. J. (Author), Kapyla, M. J. (Author), Hackman, T. (Author), Kochukhov, O. (Author), Willamo, T. (Author), Marsden, S. C. (Author), Jeffers, S. V. (Author), Henry, G. W. (Author) and Jetsu, L. (Author) |
| Journal Title | Astronomy and Astrophysics: a European journal |
| Journal Citation | 660, pp. 1-12 |
| Article Number | A141 |
| Number of Pages | 12 |
| Year | 2022 |
| Publisher | EDP Sciences |
| Place of Publication | France |
| ISSN | 0004-6361 |
| 1432-0746 | |
| Digital Object Identifier (DOI) | https://doi.org/10.1051/0004-6361/201936780 |
| Web Address (URL) | https://www.aanda.org/articles/aa/abs/2022/04/aa36780-19/aa36780-19.html |
| Abstract | Aims. Previous studies have related surface temperature maps, obtained with the Doppler imaging (DI) technique, of LQ Hya with long-term photometry. Here, we compare surface magnetic field maps, obtained with the Zeeman Doppler imaging (ZDI) technique, with contemporaneous photometry, with the aim of quantifying the star's magnetic cycle characteristics. Methods. We inverted Stokes IV spectropolarimetry, obtained with the HARPSpol and ESPaDOnS instruments, into magnetic field and surface brightness maps using a tomographic inversion code that models high signal-to-noise ratio mean line profiles produced by the least squares deconvolution (LSD) technique. The maps were compared against long-term ground-based photometry acquired with the T3 0.40 m Automatic Photoelectric Telescope (APT) at Fairborn Observatory, which offers a proxy for the spot cycle of the star, as well as with chromospheric Ca ¯II H&K activity derived from the observed spectra. Results. The magnetic field and surface brightness maps reveal similar patterns relative to previous DI and ZDI studies: non-axisymmetric polar magnetic field structure, void of fields at mid-latitudes, and a complex structure in the equatorial regions. There is a weak but clear tendency of the polar structures to be linked with a strong radial field and the equatorial ones with the azimuthal field. We find a polarity reversal in the radial field between 2016 and 2017 that is coincident with a spot minimum seen in the long-term photometry, although the precise relation of chromospheric activity to the spot activity remains complex and unclear. The inverted field strengths cannot be easily related with the observed spottedness, but we find that they are partially connected to the retrieved field complexity. Conclusions. This field topology and the dominance of the poloidal field component, when compared to global magnetoconvection models for rapidly rotating young suns, could be explained by a turbulent dynamo, where differential rotation does not play a major role (so-called 2 or 2 dynamos) and axi- and non-axisymmetric modes are excited simultaneously. The complex equatorial magnetic field structure could arise from the twisted (helical) wreaths often seen in these simulations, while the polar feature would be connected to the mostly poloidal non-axisymmetric component that has a smooth spatial structure. |
| Keywords | Polarization; Stars: Activity; Stars: imaging; Starspots |
| ANZSRC Field of Research 2020 | 510109. Stellar astronomy and planetary systems |
| Public Notes | File reproduced in accordance with the copyright policy of the publisher/author. |
| Byline Affiliations | University of Turku, Finland |
| Aalto University, Finland | |
| University of Helsinki, Finland | |
| Uppsala University, Sweden | |
| Centre for Astrophysics | |
| Max Planck Society, Germany | |
| Tennessee State University, United States | |
| Institution of Origin | University of Southern Queensland |
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Kielkopf, John F., Hart, Rhodes, Carter, Bradley D. and Marsden, Stephen C.. 2019. "Observation of a possible superflare on Proxima Centauri." Monthly Notices of the Royal Astronomical Society. 486 (1), pp. L31-L35. https://doi.org/10.1093/mnrasl/slz054The rotationally modulated polarization of ξ Boo A
Cotton, Daniel V., Evensberget, Dag, Marsden, Stephen C., Bailey, Jeremy, Zhao, Jinglin, Kedziora-Chudczer, Lucyna, Carter, Bradley D., Bott, Kimberly, Vidotto, Aline A., Petit, Pascal, Morin, Julien and Jeffers, Sandra V.. 2019. "The rotationally modulated polarization of ξ Boo A." Monthly Notices of the Royal Astronomical Society. 483 (2), pp. 1574-1581. https://doi.org/10.1093/mnras/sty3180MINERVA-Australis. I. Design, Commissioning, and First Photometric Results
Addison, Brett, Wright, Duncan J., Wittenmyer, Robert A., Horner, Jonathan, Mengel, Matthew W., Johns, Daniel, Marti, Connor, Nicholson, Belinda, Okumura, Jack, Bowler, Brendan, Crossfield, Ian, Kane, Stephen R., Kielkopf, John, Plavchan, Peter, Tinney, C.G., Zhang, Hui, Clark, Jake T., Clerte, Mathieu, Eastman, Jason D., ..., Carter, Bradley D.. 2019. "MINERVA-Australis. I. Design, Commissioning, and First Photometric Results." Publications of the Astronomical Society of the Pacific. 131 (1005), pp. 1-15. https://doi.org/10.1088/1538-3873/ab03aaRadial Velocity Discovery of an Eccentric Jovian World Orbiting at 18 au
Blunt, Blunt, Endl, Michael, Weiss, Lauren M., Cochran, William D, Howard, Andrew W., MacQueen, Phillip J., Fulton, Benjamin J., Henry, Gregory W., Johnson, Marshall C., Kosiarek, Molly R., Lawson, Kellen D., Macintosh, Macintosh, Mills, Sean M., Nielsen, Eric L., Petigura, Erik A., Schneider, Glenn, Vanderburg, Andrew, Wisniewski, Wisniewski, Wittenmyer, Rob, ..., Shen, Zili. 2019. "Radial Velocity Discovery of an Eccentric Jovian World Orbiting at 18 au." The Astronomical Journal. 158 (5), pp. 1-15. https://doi.org/10.3847/1538-3881/ab3e63Estimating magnetic filling factors from Zeeman–Doppler magnetograms
See, Victor, Matt, Sean P., Folsom, Colin P., Boro Saikia, Sudeshna, Donati, Jean-Francois, Fares, Rim, Finley, Adam J., Hebrard, Elodie M., Jardine, Moira M., Jeffers, Sandra J., Lehmann, Lisa T., Marsden, Stephen C., Mengel, Matthew W., Morin, Julian, Petit, Pascal, Vidotto, Aline A. and Waite, Ian A.. 2019. "Estimating magnetic filling factors from Zeeman–Doppler magnetograms." The Astrophysical Journal: an international review of astronomy and astronomical physics. 876 (2), pp. 118-127. https://doi.org/10.3847/1538-4357/ab1096The open flux evolution of a solar-mass star on the main sequence
See, V., Jardine, M., Vidotto, A. A., Donati, J.-F., Boro Saikia, S., Fares, R., Folsom, C. P., Jeffers, S. V., Marsden, S. C., Morin, J. and Petit, P.. 2018. "The open flux evolution of a solar-mass star on the main sequence." Monthly Notices of the Royal Astronomical Society. 474 (1), pp. 536-546. https://doi.org/10.1093/mnras/stx2599Direct evidence of a full dipole flip during the magnetic cycle of a sun-like star
Boro Saikia, S., Lueftinger, T., Jeffers, S. V., Folsom, C. P., See, V., Petit, P., Marsden, S. C., Vidotto, A. A., Morin, J., Reiners, A. and Guedel, M.. 2018. "Direct evidence of a full dipole flip during the magnetic cycle of a sun-like star." Astronomy and Astrophysics: a European journal. 620, pp. 1-12. https://doi.org/10.1051/0004-6361/201834347The relation between stellar magnetic field geometry and chromospheric activity cycles – II The rapid 120-day magnetic cycle of τ Bootis
Jeffers, S. V., Mengel, M., Moutou, C., Marsden, S. C., Barnes, J. R., Jardine, M. M., Petit, P., Schmitt, J. H. M. M., See, V. and Vidotto, A. A.. 2018. "The relation between stellar magnetic field geometry and chromospheric activity cycles – II The rapid 120-day magnetic cycle of τ Bootis." Monthly Notices of the Royal Astronomical Society. 479 (4), pp. 5266-5271. https://doi.org/10.1093/mnras/sty1717Chromospheric activity catalogue of 4454 cool stars: questioning the active branch of stellar activity cycles
Boro Saikia, S., Marvin, C. J., Jeffers, S. V., Reiners, A., Cameron, R., Marsden, S. C., Petit, P., Warnecke, J. and Yadav, A. P.. 2018. "Chromospheric activity catalogue of 4454 cool stars: questioning the active branch of stellar activity cycles." Astronomy and Astrophysics: a European journal. 616, pp. 1-23. https://doi.org/10.1051/0004-6361/201629518Measuring the severity of close encounters between ringed small bodies and planets
Wood, Jeremy, Horner, Jonti, Hinse, Tobias C. and Marsden, Stephen C.. 2018. "Measuring the severity of close encounters between ringed small bodies and planets." Monthly Notices of the Royal Astronomical Society. 480 (3), pp. 4183-4198. https://doi.org/10.1093/mnras/sty2047The dynamical history of 2060 Chiron and its proposed ring system
Wood, Jeremy, Horner, Jonti, Hinse, Tobias C. and Marsden, Stephen C.. 2018. "The dynamical history of 2060 Chiron and its proposed ring system." The Astronomical Journal. 155 (1), pp. 1-13. https://doi.org/10.3847/1538-3881/aa9930Magnetic fields on young, moderately rotating Sun-like stars - II. EK Draconis (HD 129333)
Waite, I. A., Marsden, S. C., Carter, B. D., Petit, P., Jeffers, S. V., Morin, J., Vidotto, A. A. and Donati, J.-F.. 2017. "Magnetic fields on young, moderately rotating Sun-like stars - II. EK Draconis (HD 129333)." Monthly Notices of the Royal Astronomical Society. 465 (2), pp. 2076-2091. https://doi.org/10.1093/mnras/stw2731The energy budget of stellar magnetic fields: comparing non-potential simulations and observations
Lehmann, L. T., Jardine, M. M., Vidotto, A. A., Mackay, D. H., See, V., Donati, J.-F., Folsom, C. P., Jeffers, S. V., Marsden, S. C., Morin, J. and Petit, P.. 2017. "The energy budget of stellar magnetic fields: comparing non-potential simulations and observations." Monthly Notices of the Royal Astronomical Society: Letters. 466 (1), pp. L24-L28. https://doi.org/10.1093/mnrasl/slw225Studying stellar spin-down with Zeeman–Doppler magnetograms
See, V., Jardine, M., Vidotto, A. A., Donati, J-F., Boro Saikia, S., Fares, R., Folsom, C. P., Hebrard, E. M., Jeffers, S. V., Marsden, S. C., Morin, J., Petit, P. and Waite, I. A.. 2017. "Studying stellar spin-down with Zeeman–Doppler magnetograms." Monthly Notices of the Royal Astronomical Society. 466 (2), pp. 1542-1554. https://doi.org/10.1093/mnras/stw3094The intrinsic and interstellar broad-band linear polarization of nearby FGK dwarfs
Cotton, Daniel V., Marshall, Jonathan P., Bailey, Jeremy, Kedziora-Chudczer, Lucyna, Bott, Kimberly, Marsden, Stephen C. and Carter, Bradley D.. 2017. "The intrinsic and interstellar broad-band linear polarization of nearby FGK dwarfs." Monthly Notices of the Royal Astronomical Society. 467 (1), pp. 873-897. https://doi.org/10.1093/mnras/stx068The relation between stellar magnetic field geometry and chromospheric activity cycles – I. The highly variable field of ε Eridani at activity minimum
Jeffers, S. V., Boro Saikia, S., Barnes, J. R., Petit, P., Marsden, S. C., Jardine, M. M. and Vidotto, A. A.. 2017. "The relation between stellar magnetic field geometry and chromospheric activity cycles – I. The highly variable field of ε Eridani at activity minimum." Monthly Notices of the Royal Astronomical Society: Letters. 471 (1), pp. L96-L100. https://doi.org/10.1093/mnrasl/slx097A BCool survey of the magnetic fields of planet-hosting solar-type stars
Mengel, M. W., Marsden, S. C., Carter, B. D., Horner, J., King, R., Fares, R., Jeffers, S. V., Petit, P., Vidotto, A. A. and Morin, J.. 2017. "A BCool survey of the magnetic fields of planet-hosting solar-type stars." Monthly Notices of the Royal Astronomical Society. 465 (3), pp. 2734-2747. https://doi.org/10.1093/mnras/stw2949The dynamical history of Chariklo and its rings
Wood, Jeremy, Horner, Jonti, Hinse, Tobias C. and Marsden, Stephen C.. 2017. "The dynamical history of Chariklo and its rings." The Astronomical Journal. 153 (6). https://doi.org/10.3847/1538-3881/aa6981Discovery of the magnetic field of the B1/B2V star σ Lupi
Henrichs, H. F., Kolenberg, K., Plaggenborg, B., Marsden, S. C., Waite, I. A., Landstreet, J., Grunhut, J., Oksala, M. and Wade, G.. 2012. "Discovery of the magnetic field of the B1/B2V star σ Lupi." Hoffman, Jennifer L., Bjorkman, Jon and Whitney, Barbara (ed.) American Institute of Physics Conference (STARPOL 2011): Stellar Polarimetry: From Birth to Death. Madison, United States 27 - 30 Jun 2011 United States. AIP Publishing. https://doi.org/10.1063/1.3701907A Herschel resolved debris disc around HD 105211
Hengst, S., Marshall, J. P., Horner, J. and Marsden, S. C.. 2017. "A Herschel resolved debris disc around HD 105211." Monthly Notices of the Royal Astronomical Society. 468 (4), pp. 4725-4734. https://doi.org/10.1093/mnras/stx753The connection between stellar activity cycles and magnetic field topology
See, V., Jardine, M., Vidotto, A. A., Donati, J.-F., Boro Saikia, S., Bouvier, J., Fares, R., Folsom, C. P., Gregory, S. G., Hussain, G., Jeffers, S. V., Marsden, S. C., Morin, J., Moutou, C., do Nascimento Jr., J. D., Petit, P. and Waite, I. A.. 2016. "The connection between stellar activity cycles and magnetic field topology." Monthly Notices of the Royal Astronomical Society. 462 (4), pp. 4442-4450. https://doi.org/10.1093/mnras/stw2010Analysis of combined radial velocities and activity of BD+20 1790: evidence supporting the existence of a planetary companion
Hernan-Obispo, M., Tuomi, M., Galvez-Ortiz, M. C., Golovin, A., Barnes, J. R., Jones, H. R. A., Kane, S. R., Pinfield, D., Jenkins, J. S., Petit, P., Anglada-Escude, G., Marsden, S. C., Catalan, S., Jeffers, S. V., de Castro, E., Cornide, M., Garces, A., Jones, M. I., Gorlova, N. and Andreev, M.. 2015. "Analysis of combined radial velocities and activity of BD+20 1790: evidence supporting the existence of a planetary companion." Astronomy and Astrophysics: a European journal. 576 (A66). https://doi.org/10.1051/0004-6361/201219095The energy budget of stellar magnetic fields
See, V., Jardine, M., Vidotto, A. A., Donati, J.-F., Folsom, C. P., Boro Saikia, S., Bouvier, J., Fares, R., Gregory, S. G., Hussain, G., Jeffers, S. V., Marsden, S. C., Morin, J., Moutou, C., do Nascimento Jr., J. D., Petit, P., Rosen, L. and Waite, I. A.. 2015. "The energy budget of stellar magnetic fields." Monthly Notices of the Royal Astronomical Society. 453 (4), pp. 4301-4310. https://doi.org/10.1093/mnras/stv1925Variable magnetic field geometry of the young sun HN Pegasi (HD 206860)
Boro Saikia, S., Jeffers, S. V., Petit, P., Marsden, S., Morin, J. and Folsom, C. P.. 2015. "Variable magnetic field geometry of the young sun HN Pegasi (HD 206860)." Astronomy and Astrophysics: a European journal. 573 (A17), pp. 1-16. https://doi.org/10.1051/0004-6361/201424096A Bcool magnetic snapshot survey of solar-type stars
Marsden, S. C., Petit, P., Jeffers, S. V., Morin, J., Fares, R., Reiners, A., do Nascimento Jr., J.-D., Auriere, M., Bouvier, J., Carter, B. D., Catala, C., Dintrans, B., Donati, J. -F., Gastine, T., Jardine, M., Konstantinova-Antova, R., Lanoux, J., Lignieres, F., Morgenthaler, A., ..., Van Grootel, V.. 2014. "A Bcool magnetic snapshot survey of solar-type stars." Monthly Notices of the Royal Astronomical Society. 444 (4), pp. 3517-3536. https://doi.org/10.1093/mnras/stu1663Improved orbital parameters and transit monitoring for HD 156846b
Kane, Stephen R., Howard, Andrew W., Pilyavsky, Genady, Mahadevan, Suvrath, Henry, Gregory W., von Braun, Kaspar, Ciardi, David R., Dragomir, Diana, Fischer, Debra A., Jensen, Eric, Laughlin, Gregory, Ramirez, Solange V. and Wright, Jason T.. 2011. "Improved orbital parameters and transit monitoring for HD 156846b." The Astrophysical Journal: an international review of astronomy and astronomical physics. 733 (1), pp. 28-34. https://doi.org/10.1088/0004-637X/733/1/28A search for the transit of HD 168443b: improved orbital parameters and photometry
Pilyavsky, Genady, Mahadevan, Suvrath, Kane, Stephen R., Howard, Andrew W., Ciardi, David R., De Pree, Chris, Dragomir, Diana, Fischer, Debra, Henry, Gregory W., Jensen, Eric L. N., Laughlin, Gregory, Marlowe, Hannah, Rabus, Markus, von Braun, Kaspar, Wright, Jason T. and Wang, Xuesong X.. 2011. "A search for the transit of HD 168443b: improved orbital parameters and photometry." The Astrophysical Journal: an international review of astronomy and astronomical physics. 743 (2), pp. 162-169. https://doi.org/10.1088/0004-637X/743/2/162The HD 192263 system: planetary orbital period and stellar variability disentangled
Dragomir, Diana, Kane, Stephen R., Henry, Gregory W., Ciardi, David R., Fischer, Debra A., Howard, Andrew W., Jensen, Eric L N, Laughlin, Gregory, Mahadevan, Suvrath, Matthews, Jaymie M., Pilyavsky, Genady, von Braun, Kaspar, Wang, Sharon X. and Wright, Jason T.. 2012. "The HD 192263 system: planetary orbital period and stellar variability disentangled." The Astrophysical Journal: an international review of astronomy and astronomical physics. 754 (1), pp. 37-45. https://doi.org/10.1088/0004-637X/754/1/37Host star properties and transit exclusion for the HD 38529 planetary system
Henry, Gregory W., Kane, Stephen R., Wang, Sharon X., Wright, Jason T., Boyajian, Tabetha S., von Braun, Kaspar, Ciardi, David R., Dragomir, Diana, Farrington, Chris, Fischer, Debra A., Hinkel, Natalie R., Howard, Andrew W., Jensen, Eric, Laughlin, Gregory, Mahadevan, Suvrath and Pilyavsky, Genady. 2013. "Host star properties and transit exclusion for the HD 38529 planetary system." The Astrophysical Journal: an international review of astronomy and astronomical physics. 768 (2), pp. 155-163. https://doi.org/10.1088/0004-637X/768/2/155Three temperate Neptunes orbiting nearby stars
Fulton, Benjamin J., Howard, Andrew W., Weiss, Lauren M., Sinukoff, Evan, Petigura, Erik A., Isaacson, Howard, Hirsch, Lea, Marcy, Geoffrey W., Henry, Gregory W., Grunblatt, Samuel K., Huber, Daniel, von Braun, Kaspar, Boyajian, Tabetha S., Kane, Stephen R., Wittrock, Justin, Horch, Elliott P., Ciardi, David R., Howell, Steve B., Wright, Jason T. and Ford, Eric B.. 2016. "Three temperate Neptunes orbiting nearby stars." The Astrophysical Journal: an international review of astronomy and astronomical physics. 830 (1), pp. 46-64. https://doi.org/10.3847/0004-637X/830/1/46Could a change in magnetic field geometry cause the break in the wind-activity relation?
Vidotto, A. A., Donati, J.-F., Jardine, M., See, V., Petit, P., Boisse, I., Boro Saikia, S., Hebrard, E., Jeffers, S. V., Marsden, S. C. and Morin, J.. 2016. "Could a change in magnetic field geometry cause the break in the wind-activity relation?" Monthly Notices of the Royal Astronomical Society: Letters. 455 (1), pp. L52-L56. https://doi.org/10.1093/mnrasl/slv147The evolution of surface magnetic fields in young solar-type stars I: the first 250 Myr
Folsom, C. P., Petit, P., Bouvier, J., Lebre, A., Amard, L., Palacios, A., Morin, J., Donati, J.-F., Jeffers, S. V., Marsden, S. C. and Vidotto, A. A.. 2016. "The evolution of surface magnetic fields in young solar-type stars I: the first 250 Myr." Monthly Notices of the Royal Astronomical Society. 457 (1), pp. 580-607. https://doi.org/10.1093/mnras/stv2924Magnetic field and wind of Kappa Ceti: toward the planetary habitability of the young sun when life arose on earth
do Nascimento Jr., J.-D., Vidotto, A. A., Petit, P., Folsom, C., Castro, M., Marsden, S. C., Morin, J., Porto de Mello, G. F., Meibom, S., Jeffers, S. V., Guinan, E. and Ribas, I.. 2016. "Magnetic field and wind of Kappa Ceti: toward the planetary habitability of the young sun when life arose on earth." The Astrophysical Journal Letters. 820 (1), pp. L15 (1)-L15 (6). https://doi.org/10.3847/2041-8205/820/1/L15Temporal variability of the wind from the star τ Boötis
Nicholson, B. A., Vidotto, A. A., Mengel, M., Brookshaw, L., Carter, B., Petit, P., Marsden, S. C., Jeffers, S. V. and Fares, R.. 2016. "Temporal variability of the wind from the star τ Boötis." Monthly Notices of the Royal Astronomical Society. 459 (2), pp. 1907-1915. https://doi.org/10.1093/mnras/stw731A solar-like magnetic cycle on the mature K-dwarf 61 Cygni A (HD 201091)
Boro Saikia, S., Jeffers, S. V., Morin, J., Petit, P., Folsom, C. P., Marsden, S. C., Donati, J.-F., Cameron, R., Hall, J. C., Perdelwitz, V., Reiners, A. and Vidotto, A. A.. 2016. "A solar-like magnetic cycle on the mature K-dwarf 61 Cygni A (HD 201091)." Astronomy and Astrophysics: a European journal. 594 (A29). https://doi.org/10.1051/0004-6361/201628262Evidence for reflected light from the most eccentric exoplanet known
Kane, Stephen R., Wittenmyer, Robert A., Hinkel, Natalie R., Roy, Arpita, Mahadevan, Suvrath, Dragomir, Diana, Matthews, Jaymie M., Henry, Gregory W., Chakraborty, Abhijit, Boyajian, Tabetha S., Wright, Jason T., Ciardi, David R., Fischer, Debra A., Butler, R. Paul, Tinney, C. G., Carter, Brad D., Jones, Hugh R. A ., Bailey, Jeremy and O'Toole, Simon J.. 2016. "Evidence for reflected light from the most eccentric exoplanet known." The Astrophysical Journal: an international review of astronomy and astronomical physics. 821 (1). https://doi.org/10.3847/0004-637X/821/1/65The Discovery and Mass Measurement of a New Ultra-short-period Planet: K2-131b
Dai, Fei, Winn, Joshua N., Gandolfi, Davide, Wang, Sharon X., Teske, Johanna K., Burt, Jennifer, Albrecht, Simon, Barragan, Oscar, Cochran, William D., Endl, Michael, Fridlund, Malcolm, Hatzes, Artie P., Hirano, Teruyuki, Hirsch, Lea A., Johnson, Marshall C., Justesen, Anders Bo, Livingston, John, Persson, Carina M., Prieto-Arranz, Jorge, ..., Wittenmyer, Robert A.. 2017. "The Discovery and Mass Measurement of a New Ultra-short-period Planet: K2-131b." The Astronomical Journal. 154 (6), pp. 1-17. https://doi.org/10.3847/1538-3881/aa9065Winds of planet hosting stars
Nicholson, B. A., Mengel, M. W., Brookshaw, L., Vidotto, A. A., Carter, B. D., Marsden, S. C., Soutter, J., Waite, I. A. and Horner, J.. 2015. "Winds of planet hosting stars." Short, Wayne and Cairns, Iver (ed.) 14th Australian Space Research Conference (ASRC 2014). Adelaide, Australia 29 Sep - 01 Oct 2014 Sydney, Australia.Shared skies partnership: a dual-site all-sky live remote observing initiative for research and education
Kielkopf, John F., Hart, Rhodes, Carter, Brad, Collins, Karen A., Brown, Carolyn, Hay, Jeff, Hons, Alex and Marsden, S. 2014. "Shared skies partnership: a dual-site all-sky live remote observing initiative for research and education." 223rd American Astronomical Society Meeting. Washington, United States 05 - 09 Jan 2014 Washington, DC. United States.Observations of non-solar-type dynamo processes in stars with shallow convective zones
Jeffers, S. V., Donati, J. -F., Alecian, E. and Marsden, S. C.. 2011. "Observations of non-solar-type dynamo processes in stars with shallow convective zones." Monthly Notices of the Royal Astronomical Society. 411 (2), pp. 1301-1312. https://doi.org/10.1111/j.1365-2966.2010.17762.xThe evolving magnetic topology of τ Boötis
Mengel, M. W., Fares, R., Marsden, S. C., Carter, B. D., Jeffers, S. V., Petit, P., Donati, J.-F. and Folsom, C. P.. 2016. "The evolving magnetic topology of τ Boötis." Monthly Notices of the Royal Astronomical Society. 459 (4), pp. 4325-4342. https://doi.org/10.1093/mnras/stw828Doppler images and the underlying dynamo: the case of AF Leporis
Jarvinen, S. P., Arlt, R., Hackman, T., Marsden, S. C., Kuker, M., Ilyin, I. V., Berdyugina, S. V., Strassmeier, K. G. and Waite, I. A.. 2015. "Doppler images and the underlying dynamo: the case of AF Leporis." Astronomy and Astrophysics: a European journal. 574 (A25), pp. 1-18. https://doi.org/10.1051/0004-6361/201424229Magnetic fields on young, moderately rotating sun-like stars - I: HD 35296 and HD 29615
Waite, I. A., Marsden, S. C., Carter, B. D., Petit, P., Donati, J. F., Jeffers, S. V. and Boro Saikia, S.. 2015. "Magnetic fields on young, moderately rotating sun-like stars - I: HD 35296 and HD 29615." Monthly Notices of the Royal Astronomical Society. 449 (1), pp. 8-24. https://doi.org/10.1093/mnras/stv006A maximum entropy approach to detect close-in giant planets around active stars
Petit, P., Donati, J.-F., Hebrard, E., Morin, J., Folsom, C. P., Bohm, T., Boisse, I., Borgniet, S., Bouvier, J., Delfosse, X., Hussain, G., Jeffers, S. V., Marsden, S. C. and Barnes, J. R.. 2015. "A maximum entropy approach to detect close-in giant planets around active stars." Astronomy and Astrophysics: a European journal. 584 (A84). https://doi.org/10.1051/0004-6361/201525993Eridani: an active K dwarf and a planet hosting star? The variability of its large-scale magnetic field topology
Jeffers, S. V., Petit, P., Marsden, S. C., Morin, J., Donati, J. -F. and Folsom, C. P.. 2014. "Eridani: an active K dwarf and a planet hosting star? The variability of its large-scale magnetic field topology." Astronomy and Astrophysics: a European journal. 569, pp. 1-8. https://doi.org/10.1051/0004-6361/201423725The effects of stellar winds on the magnetospheres and potential habitability of exoplanets
See, V., Jardine, M., Vidotto, A. A., Petit, P., Marsden, S. C., Jeffers, S. V. and do Nascimento Jr., J. D.. 2014. "The effects of stellar winds on the magnetospheres and potential habitability of exoplanets." Astronomy and Astrophysics: a European journal. 570 (A99), pp. 1-10. https://doi.org/10.1051/0004-6361/201424323Is it possible to detect planets around young active G and K dwarfs?
Jeffers, S. V., Barnes, J. R., Jones, H. R. A., Reiners, A., Pinfield, D. J. and Marsden, S. C.. 2014. "Is it possible to detect planets around young active G and K dwarfs?" Monthly Notices of the Royal Astronomical Society. 438 (4), pp. 2717-2731. https://doi.org/10.1093/mnras/stt1950Stellar magnetism: empirical trends with age and rotation
Vidotto, A. A., Gregory, S. G., Jardine, M., Donati, J. -F., Petit, P., Morin, J., Folsom, C. P., Bouvier, J., Cameron, A. C., Hussain, G., Marsden, S., Waite, I. A., Fares, R., Jeffers, S. and do Nascimento Jr., J.-D.. 2014. "Stellar magnetism: empirical trends with age and rotation." Monthly Notices of the Royal Astronomical Society. 441 (3), pp. 2361-2374. https://doi.org/10.1093/mnras/stu728Zeeman doppler imaging of the surface activity and magnetic fields of young solar-type stars
Carter, B. D., Marsden, S. C. and Waite, I. A.. 2014. "Zeeman doppler imaging of the surface activity and magnetic fields of young solar-type stars." van Belle, G. and Harris, H. (ed.) 18th Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun: Cool Stars 18. Flagstaff, AZ. USA 09 - 13 Jun 2014The large scale magnetic field of the G0 dwarf HD 206860 (HN Peg)
Boro Saikia, Sudeshna, Jeffers, Sandra V., Petit, Pascal, Marsden, Stephen, Morin, Julien and Reiners, Ansgar. 2014. "The large scale magnetic field of the G0 dwarf HD 206860 (HN Peg)." Proceedings of the International Astronomical Union. 9 (S302), pp. 146-147. https://doi.org/10.1017/S1743921314001926On the effects of stellar winds on exoplanetary magnetospheres
See, V., Jardine, M., Vidotto, A. A., Petit, P., Marsden, S. C. and Jeffers, S. V.. 2014. "On the effects of stellar winds on exoplanetary magnetospheres." Petit, Pascal, Jardine, Moira and Spruit, Henk (ed.) International Astronomical Union Symposium No. 302 (IAU 302): Magnetic Fields throughout Stellar Evolution. Biarritz, France 25 - 30 Aug 2013 Cambridge, United Kingdom. https://doi.org/10.1017/S174392131400221XThe magnetic field of the B1/B2V star sigma Lup
Henrichs, Huib F., Kolenberg, Katrien, Plaggenborg, Benjamin, Marsden, Stephen C., Waite, Ian A. and Wade, Gregg A.. 2010. "The magnetic field of the B1/B2V star sigma Lup." Proceedings of the International Astronomical Union Symposium (IAU 2010). 6 (S272), pp. 192-193. https://doi.org/10.1017/S1743921311010295Magnetospheric accretion on the T Tauri star BP Tauri
Donati, J. -F., Jardine, M. M., Gregory, S. G., Petit, P., Paletou, F., Bouvier, J., Dougados, C., Menard, F., Cameron, A. C., Harries, T. J., Hussain, G. A. J., Unruh, Y., Morin, J., Marsden, S. C., Manset, N., Auriere, M., Catala, C. and Alecian, E.. 2008. "Magnetospheric accretion on the T Tauri star BP Tauri." Monthly Notices of the Royal Astronomical Society. 386 (3), pp. 1234-1251. https://doi.org/10.1111/j.1365-2966.2008.13111.xThe first magnetic maps of a pre-main-sequence binary star system - HD 155555
Dunstone, N. J., Hussain, G. A. J., Collier Cameron, A., Marsden, S. C., Jardine, M., Stempels, H. C., Ramirez Velez, J. C. and Donati, J. -F.. 2008. "The first magnetic maps of a pre-main-sequence binary star system - HD 155555." Monthly Notices of the Royal Astronomical Society. 387 (2), pp. 481-496. https://doi.org/10.1111/j.1365-2966.2008.13196.xDifferential rotation on both components of the pre-main-sequence binary system HD 155555
Dunstone, N. J., Hussain, G. A. J., Collier Cameron, A., Marsden, S. C., Jardine, M., Barnes, J. R., Ramirez Velez, J. C. and Donati, J. -F.. 2008. "Differential rotation on both components of the pre-main-sequence binary system HD 155555." Monthly Notices of the Royal Astronomical Society. 387 (4), pp. 1525-1536. https://doi.org/10.1111/j.1365-2966.2008.13338.xWhy are some A stars magnetic, while most are not?
Wade, G. A., Silvester, J., Bale, K., Johnson, N., Power, J., Auriere, M., Lignieres, F., Dintrans, B., Donati, J. -F., Hui Bon Hoa, A., Mouillet, D., Naseri, S., Paletou, F., Petit, P., Rincon, F., Toque, N., Bagnulo, S., Folsom, C. P., Landstreet, J. D., ..., Marsden, S. C.. 2009. "Why are some A stars magnetic, while most are not?" Berdyugina, Svetlana V., Nagendra, K. N. and Ramelli, Renzo (ed.) Astronomical Society of the Pacific Conference(SPW5): 5th Solar Polarization Workshop: a Workshop In Honor of Jan Olof Stenflo. Ascona, Switzerland 17 - 21 Sep 2007 San Francisco, CA. United States.Stellar spectropolarimetry
Marsden, Stephen C.. 2009. "Stellar spectropolarimetry." Stempels, Eric (ed.) 15th Cambridge Workshop on Cool Stars, Stellar Systems and the Sun. St. Andrews, United Kingdom 21 - 25 Jul 2008 College Park, MD. United States. AIP Publishing. https://doi.org/10.1063/1.3099096Young stars in the time domain
Covey, Kevin R., Plavchan, Peter, Bastien, Fabienne, Flaccomio, Ettore, Flaherty, Kevin, Marsden, Stephen, Morales-Calderon, Maria, Muzerolle, James and Turner, Neal J.. 2012. "Young stars in the time domain." Johns-Krull, Christopher (ed.) 16th Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun (CS 16). Seattle, WA. United States 29 Aug - 02 Sep 2010 San Francisco, CA. United States.Magnetism in pre-MS intermediate-mass stars and the fossil field hypothesis
Alecian, E., Wade, G. A., Catala, C., Folsom, C., Grunhut, J., Donati, J. -F., Petit, P., Bagnulo, S., Marsden, S. C., Ramirez, J., Landstreet, J. D., Boehm, T., Bouret, J. -C. and Silvester, J.. 2008. "Magnetism in pre-MS intermediate-mass stars and the fossil field hypothesis." CP#AP Workshop 2007. Vienna, Austria 10 - 14 Sep 2007 Bratislava, Slovakia. Vydavatel'stvo Slovenskej Akademie Vied Veda.Discovery of a magnetic field in the early B-type star sigma Lupi
Henrichs, H. F., Kolenberg, K., Plaggenborg, B., Marsden, S. C., Waite, I. A., Landstreet, J. D., Wade, G. A., Grunhut, J. H. and Oksala, M. E.. 2012. "Discovery of a magnetic field in the early B-type star sigma Lupi." Astronomy and Astrophysics: a European journal. 545, pp. 1-10. https://doi.org/10.1051/0004-6361/201219632Direct observation of magnetic cycles in Sun-like stars
Morgenthaler, A., Petit, P., Morin, J., Auriere, M., Dintrans, B., Konstantinova-Antova, R. and Marsden, S.. 2011. "Direct observation of magnetic cycles in Sun-like stars." Astronomische Nachrichten. 332 (9-10), pp. 866-871. https://doi.org/10.1002/asna.201111592Night-time science with large solar telescopes: the magnetic Sun through time
Marsden, S. C.. 2010. "Night-time science with large solar telescopes: the magnetic Sun through time." Astronomische Nachrichten. 331 (6), pp. 577-580. https://doi.org/10.1002/asna.201011376Long-term magnetic field monitoring of the Sun-like star ksi Bootis A
Morgenthaler, A., Petit, P., Saar, S., Solanki, S. K., Morin, J., Marsden, S. C., Auriere, M., Dintrans, B., Fares, R., Gastine, T., Lanoux, J., Lignieres, F., Paletou, F., Ramirez Velez, J. C., Theado, S. and Van Grootel, V.. 2012. "Long-term magnetic field monitoring of the Sun-like star ksi Bootis A." Astronomy and Astrophysics: a European journal. 540, pp. 1-15. https://doi.org/10.1051/0004-6361/201118139PolarBase: a data base of high-resolution spectropolarimetric stellar observations
Petit, P., Louge, T., Theado, S., Paletou, F., Manset, N., Morin, J., Marsden, S. C. and Jeffers, S. V.. 2014. "PolarBase: a data base of high-resolution spectropolarimetric stellar observations." Publications of the Astronomical Society of the Pacific. 126 (939), pp. 469-475. https://doi.org/10.1086/676976A Bcool spectropolarimetric survey of over 150 solar-type stars
Marsden, Stephen, Petit, Pascal, Jeffers, Sandra, do Nascimento, Jose-Dias, Carter, Bradley, Brown, Carolyn, Marsden S., Petit P., Jeffers S., Do Nascimento J.D., Carter B. and Brown C.. 2014. "A Bcool spectropolarimetric survey of over 150 solar-type stars." Proceedings of the International Astronomical Union. 9 (S302), pp. 138-141. https://doi.org/10.1017/S1743921314001896Polarisation and magnetic fields in cool stars and the Sun
Martinez Gonzalez, M. J. and Marsden, S. C.. 2013. "Polarisation and magnetic fields in cool stars and the Sun." Astronomische Nachrichten. 334 (1-2), pp. 164-167. https://doi.org/10.1002/asna.201211753A high-resolution spectropolarimetric survey of herbig Ae/Be stars - II. rotation
Alecian, E., Wade, G. A., Catala, C., Grunhut, J. H., Landstreet, J. D., Bohm, T., Folsom, C. P. and Marsden, S.. 2013. "A high-resolution spectropolarimetric survey of herbig Ae/Be stars - II. rotation." Monthly Notices of the Royal Astronomical Society. 429 (2), pp. 1027-1038. https://doi.org/10.1093/mnras/sts384Starspots on young solar-type stars
Brown, Carolyn, Carter, Brad, Marsden, Stephen, Waite, Ian, Brown C., Carter B., Marsden S. and Waite I.. 2014. "Starspots on young solar-type stars." Proceedings of the International Astronomical Union. 9 (S302), pp. 148-149. https://doi.org/10.1017/S1743921314001938A high-resolution spectropolarimetric survey of Herbig Ae/Be stars - I. observations and measurements
Alecian, E., Wade, G. A., Catala, C., Grunhut, J. H., Landstreet, J. D., Bagnulo, S., Bohm, T., Folsom, C. P., Marsden, S. and Waite, I.. 2013. "A high-resolution spectropolarimetric survey of Herbig Ae/Be stars - I. observations and measurements." Monthly Notices of the Royal Astronomical Society. 429 (2), pp. 1001-1026. https://doi.org/10.1093/mnras/sts383Extensive study of HD 25558, a long-period double-lined binary with two SPB components
Sodor, A., De Cat, P., Wright, D. J., Neiner, C., Briquet, M., Lampens, P., Dukes, R. J., Henry, G. W., Williamson, M. H., Brunsden, E., Pollard, K. R., Cottrell, P. L., Maisonneuve, F., Kilmartin, P. M., Matthews, J., Kallinger, T., Beck, P. G., Kambe, E., Engelbrecht, C. A., ..., Vuckovic, M.. 2014. "Extensive study of HD 25558, a long-period double-lined binary with two SPB components." Monthly Notices of the Royal Astronomical Society. 438 (4), pp. 3535-3556. https://doi.org/10.1093/mnras/stt2466Spectropolarimetric observations of the sequence-D red giant variables S Lep and Z Eri
Wood, P. R., Marsden, S., Waite, I. and Nicholls, C. P.. 2009. "Spectropolarimetric observations of the sequence-D red giant variables S Lep and Z Eri." Guzik, Joyce Ann and Bradley, Paul A. (ed.) International Conference on Stellar Pulsation: Challenges for Theory and Observation (2009). Santa Fe, United States 31 May - 05 Jun 2009 Melville, NY. United States. AIP Publishing. https://doi.org/10.1063/1.3246437Magnetic fields and differential rotation on the pre-main sequence -I. The early-G star HD 141943 - brightness and magnetic topologies
Marsden, S. C., Jardine, M. M., Ramirez Velez, J. C., Alecian, E., Brown, C. J., Carter, B. D., Donati, J.-F., Dunstone, N., Hart, R., Semel, M. and Waite, I. A.. 2011. "Magnetic fields and differential rotation on the pre-main sequence -I. The early-G star HD 141943 - brightness and magnetic topologies." Monthly Notices of the Royal Astronomical Society. 413 (3), pp. 1922-1938. https://doi.org/10.1111/j.1365-2966.2011.18367.xMagnetic fields and differential rotation on the pre-main sequence - II. The early-G star HD 141943 - coronal magnetic field, Hα emission and differential rotation
Marsden, S. C., Jardine, M. M., Ramirez Velez, J. C., Alecian, E., Brown, C. J., Carter, B. D., Donati, J.-F., Dunstone, N., Hart, R., Semel, M. and Waite, I. A.. 2011. "Magnetic fields and differential rotation on the pre-main sequence - II. The early-G star HD 141943 - coronal magnetic field, Hα emission and differential rotation." Monthly Notices of the Royal Astronomical Society. 413 (3), pp. 1939-1948. https://doi.org/10.1111/j.1365-2966.2011.18272.xMagnetic fields and differential rotation on the pre-main sequence - III. The early-G star HD 106506
Waite, I. A., Marsden, S. C., Carter, B. D., Hart, R., Donati, J. -F., Ramirez Velez, J. C., Semel, M. and Dunstone, N.. 2011. "Magnetic fields and differential rotation on the pre-main sequence - III. The early-G star HD 106506." Monthly Notices of the Royal Astronomical Society. 413 (3), pp. 1949-1960. https://doi.org/10.1111/j.1365-2966.2011.18366.xA search for Doppler imaging targets using the ANU 2.3m telescope
Burton, Donna M., Carter, Brad D., de Silva, Gayandhi, Marsden, Stephen C. and Waite, Ian A.. 2011. "A search for Doppler imaging targets using the ANU 2.3m telescope." Rowell, Gavin (ed.) 2011 Astronomical Society of Australia Annual Science Meeting (ASA 2011). Adelaide, South Australia 04 - 08 Jul 2011 Melbourne, Australia.High-resolution spectroscopy and spectropolarimetry of some late F-/early G-type sun-like stars as targets for zeeman doppler imaging
Waite, I. A., Marsden, S. C., Carter, B. D., Alecian, E., Brown, C., Burton, D., Hart, R., Waite I.A., Marsden S.C., Carter B.D., Aĺcian E., Brown C., Burton D. and Hart R.. 2011. "High-resolution spectroscopy and spectropolarimetry of some late F-/early G-type sun-like stars as targets for zeeman doppler imaging." Publications of the Astronomical Society of Australia. 28 (4), pp. 323-337. https://doi.org/10.1071/AS11025Chemical abundances of magnetic and non-magnetic Herbig Ae/Be stars
Folsom, C. P., Bagnulo, S., Wade, G. A., Alecian, E., Landstreet, J. D., Marsden, S. C. and Waite, I. A.. 2012. "Chemical abundances of magnetic and non-magnetic Herbig Ae/Be stars." Monthly Notices of the Royal Astronomical Society. 422 (3), pp. 2072-2101. https://doi.org/10.1111/j.1365-2966.2012.20718.xDo young Suns undergo magnetic reversals?
Marsden, Stephen C., Jeffers, Sandra V., Donati, Jean-Francois, Mengel, Matthew W., Waite, Ian A. and Carter, Brad D.. 2010. "Do young Suns undergo magnetic reversals?" Kosovichev, Alexander, Rozelot, Jean-Pierre and Andrei, Alexandre (ed.) International Astronomical Union Symposium (IAUS 264): Solar and Stellar Variability: Impact on Earth and Planets. Rio de Janeiro, Brazil 03 - 07 Aug 2009 Cambridge, United Kingdom. https://doi.org/10.1017/S1743921309992535Multisite, multiwavelength studies of the active cool binary CC Eri
Budding, E., Bembrick, C., Carter, B. D., Erkan, N., Jardine, M., Marsden, S. C., Osten, R., Petit, P., Semel, M., Slee, O. B. and Waite, I.. 2006. "Multisite, multiwavelength studies of the active cool binary CC Eri." Astrophysics and Space Science: an international journal of astronomy, astrophysics and space science. 304 (1-4), pp. 13-16. https://doi.org/10.1007/s10509-006-9086-zA sun in the spectroscopic binary IM Pegasi, the guide star for the Gravity Probe B mission
Marsden, S. C., Berdyugina, S. V., Donati, J.-F., Eaton, J. A., Williamson, M. H., Ilyin, I., Fischer, D. A., Munoz, M., Isaacson, H., Ratner, M. I., Semel, M., Petit, P. and Carter, B. D.. 2005. "A sun in the spectroscopic binary IM Pegasi, the guide star for the Gravity Probe B mission." The Astrophysical Journal: an international review of astronomy and astronomical physics. 634 (2), pp. L173-L176. https://doi.org/10.1086/498941Dynamo processes and activity cycles of the active stars AB Doradus, LQ Hydrae and HR 1099
Donati, J.-F., Collier Cameron, A., Semel, M., Hussain, G. A. J., Petit, P., Carter, B. D., Marsden, S. C., Mengel, M., Lopez Ariste, A., Jeffers, S. V. and Rees, D. E.. 2003. "Dynamo processes and activity cycles of the active stars AB Doradus, LQ Hydrae and HR 1099." Monthly Notices of the Royal Astronomical Society. 345 (4), pp. 1145-1186. https://doi.org/10.1046/j.1365-2966.2003.07031.xThe chromospheric emission of solar-type stars in the young open clusters IC 2391 and IC 2602
Marsden, S. C., Carter, B. D. and Donati, J.-F.. 2009. "The chromospheric emission of solar-type stars in the young open clusters IC 2391 and IC 2602." Monthly Notices of the Royal Astronomical Society. 399 (2), pp. 888-905. https://doi.org/10.1111/j.1365-2966.2009.15319.xSurface differential rotation and photospheric magnetic field of the young solar-type star HD 171488 (V889 Her)
Marsden, S. C., Donati, J.-F., Semel, M., Petit, P. and Carter, B. D.. 2006. "Surface differential rotation and photospheric magnetic field of the young solar-type star HD 171488 (V889 Her)." Monthly Notices of the Royal Astronomical Society. 370 (1), pp. 468-476. https://doi.org/10.1111/j.1365-2966.2006.10503.xThe magnetic activity of young suns: magnetic topologies and differential rotation of F- and G- dwarfs
Marsden, S. C., Mengel, M. W., Donati, J.-F., Carter, B. D., Semel, M. and Petit, P.. 2006. "The magnetic activity of young suns: magnetic topologies and differential rotation of F- and G- dwarfs." Casini, R. and Lites, B. W. (ed.) 4th Solar Polarization Workshop. Boulder, United States 19 - 23 Sep 2005 San Francisco, United States.On the Search for Transits of the Planets Orbiting Gliese 876
Shankland, P. D., Rivera, E. J., Laughlin, G., Blank, D. L., Price, A., Gary, B., Bissinger, R., Ringwald, F., White, G., Henry, G. W., McGee, P., Wolf, A. S., Carter, B., Lee, S., Biggs, J., Monard, B. and Ashley, M. C. B.. 2006. "On the Search for Transits of the Planets Orbiting Gliese 876 ." Astrophysical Journal. 653 (1), pp. 700-707. https://doi.org/10.1086/508562High-resolution spectroscopy of some active southern stars
Waite, I. A., Carter, B. D., Marsden, S. C. and Mengel, M. W.. 2005. "High-resolution spectroscopy of some active southern stars." Publications of the Astronomical Society of Australia. 22 (1), pp. 29-35. https://doi.org/10.1071/AS04058Doppler imaging and surface differential rotation of young open cluster stars - I. HD 307938 (R58) in IC 2602
Marsden, S. C., Waite, I. A., Carter, B. D. and Donati, J.-F.. 2005. "Doppler imaging and surface differential rotation of young open cluster stars - I. HD 307938 (R58) in IC 2602." Monthly Notices of the Royal Astronomical Society. 359 (2), pp. 711-724. https://doi.org/10.1111/j.1365-2966.2005.08946.xHigh-resolution magnetic field measurements of RR Lyrae stars with SemPol
Guggenberger, E., Kolenberg, K., Marsden, S. C., Waite, I. A., Henrichs, H. F. and Luftinger, T.. 2009. "High-resolution magnetic field measurements of RR Lyrae stars with SemPol." Guzik, Joyce Ann and Bradley, Paul A. (ed.) International Conference on Stellar Pulsation: Challenges for Theory and Observation (2009). Santa Fe, United States 31 May - 05 Jun 2009 Melville, NY. United States. AIP Publishing. https://doi.org/10.1063/1.3246492A super-Earth and two Neptunes orbiting the nearby Sun-like star 61 Virginis
Vogt, Steven S., Wittenmyer, Robert A., Butler, R. Paul, O'Toole, Simon, Henry, Gregory W., Rivera, Eugenio J., Meschiari, Stefano, Laughlin, Gregory, Tinney, C. G., Jones, Hugh R. A., Bailey, Jeremy, Carter, Brad D. and Batygin, Konstantin. 2010. "A super-Earth and two Neptunes orbiting the nearby Sun-like star 61 Virginis." The Astrophysical Journal: an international review of astronomy and astronomical physics. 708 (2), pp. 1366-1375. https://doi.org/10.1088/0004-637X/708/2/1366A long-period planet orbiting a nearby Sun-like star
Jones, Hugh R. A., Butler, R. Paul, Tinney, C. G., O'Toole, Simon, Wittenmyer, Rob, Henry, Gregory W., Meschiari, Stefano, Vogt, Steve, Rivera, Eugenio, Laughlin, Greg, Carter, Brad D., Bailey, Jeremy and Jenkins, James S.. 2010. "A long-period planet orbiting a nearby Sun-like star." Monthly Notices of the Royal Astronomical Society. 403 (4), pp. 1703-1713. https://doi.org/10.1111/j.1365-2966.2009.16232.xDoppler imaging of G-dwarfs in two young open clusters
Marsden, S. C., Waite, I. A., Carter, B. D. and Donati, J. -F.. 2004. "Doppler imaging of G-dwarfs in two young open clusters." Astronomische Nachrichten. 325 (3), p. 246. https://doi.org/10.1002/asna.200310217Stellar magnetic fields in swollen convection zones
Marsden, S. C., Donati, J. -F., Petit, P., Dunstone, N. J., Jardine, M., Carter, B. D., Waite, I. A., Semel, M. and Ramirez, J.. 2009. "Stellar magnetic fields in swollen convection zones." Berdyugina, Svetlana V., Nagendra, K. N. and Ramelli, Renzo (ed.) Astronomical Society of the Pacific Conference(SPW5): 5th Solar Polarization Workshop: a Workshop In Honor of Jan Olof Stenflo. Ascona, Switzerland 17 - 21 Sep 2007 San Francisco, CA. United States.Magnetic fields and differential rotation on the pre-main sequence
Marsden, Stephen C., Waite, Ian A. and Carter, Bradley D.. 2009. "Magnetic fields and differential rotation on the pre-main sequence." Stempels, Eric (ed.) 15th Cambridge Workshop on Cool Stars, Stellar Systems and the Sun. St. Andrews, United Kingdom 21 - 25 Jul 2008 Melville, NY. United States. AIP Publishing. https://doi.org/10.1063/1.3099217The photospheric magnetic field and coronal structure of HD171488
Marsden, S. C., Jardine, M., Donati, J.-F., Petit, P., Semel, M. and Carter, B. D.. 2007. "The photospheric magnetic field and coronal structure of HD171488." Memorie della Societa Astronomica Italiana. 78, pp. 307-310.The active Algol binary KZ Pavonis
Budding, E., Marsden, S. C. and Slee, O. B.. 2001. "The active Algol binary KZ Pavonis." Publications of the Astronomical Society of Australia. 18 (2), pp. 140-147. https://doi.org/10.1071/AS01028Surface differential rotation and prominences of the Lupus post T Tauri star RX J1508.6-4423
Donati, J.-F., Mengel, M., Carter, B. D., Marsden, S., Collier Cameron, A. and Wichmann, R.. 2000. "Surface differential rotation and prominences of the Lupus post T Tauri star RX J1508.6-4423." Monthly Notices of the Royal Astronomical Society. 316 (3), pp. 699-715. https://doi.org/10.1046/j.1365-8711.2000.03570.xThis item comprises data from the following sources: Scopus