Centre for Astrophysics


Latest research outputs

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Scattering of gravity-capillary waves on a bottom step
Meylan, M.H. and Stepanyants, Y.A.. 2024. "Scattering of gravity-capillary waves on a bottom step." Physics of Fluids. 36. https://doi.org/10.1063/5.0181237

Article

Doppler Constraints on Planetary Companions to Nearby Sun-like Stars: An Archival Radial Velocity Survey of Southern Targets for Proposed NASA Direct Imaging Missions
Laliotis, Katherine, Burt, Jennifer A., Mamajek, Eric E., Li, Zhexing, Perdelwitz, Volker, Zhao, Jinglin, Butler, Butler R., Holden, Bradford, Rosenthal, Lee Rosenthal, Fulton, B. J., Feng, Fabo Feng, Kane, Stephen R., Bailey, Jeremy, Carter, Brad, Crane, Jeffrey D., Furlan, Elise, Gnilka, Crystal L., Howell, Steve B., Laughlin, Gregory, ..., Wittenmyer, Robert A.. 2023. "Doppler Constraints on Planetary Companions to Nearby Sun-like Stars: An Archival Radial Velocity Survey of Southern Targets for Proposed NASA Direct Imaging Missions." The Astronomical Journal. 165 (4), pp. 1-40. https://doi.org/10.3847/1538-3881/acc067

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TESS Asteroseismic Analysis of HD 76920: The Giant Star Hosting an Extremely Eccentric Exoplanet
Jiang, Chen, Wu, Tao, Feinstein, Adina D., Stassun, Keivan G., Bedding, Timothy R., Veras, Dimitri, Corsaro, Enrico, Buzasi, Derek L., Stello, Dennis, Li, Yaguang, Mathur, Savita, Garcia, Rafael A., Breton, Sylvain N., Lundkvist, Mia S., Mikolajczyk, Przemyslaw, Gehan, Charlotte, Campante, Tiago L., Bossini, Diego, Kane, Stephen R., ..., Chaplin, William J.. 2023. "TESS Asteroseismic Analysis of HD 76920: The Giant Star Hosting an Extremely Eccentric Exoplanet." The Astrophysical Journal: an international review of astronomy and astronomical physics. 945 (1), pp. 1-12. https://doi.org/10.3847/1538-4357/acb8ac

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Asteroseismology and Spectropolarimetry of the Exoplanet Host Star λ Serpentis
Metcalfe, T.S., Buzasi, D., Huber, D., Pinsonneault, M.H., van Saders, J.L., Ayres, T.R., Basu, S., Drake, J.J., Egeland, R., Kochukhov, O., Petit, P., Saar, S.H., See, V., Stassun, K.G., Li, Y., Bedding, T.R., Breton, S.N., Finley, A.J., García, R.A., ..., Soon, W.. 2023. "Asteroseismology and Spectropolarimetry of the Exoplanet Host Star λ Serpentis." The Astronomical Journal. 166, p. 167. https://doi.org/10.3847/1538-3881/acf1f7

Article

The magnetic field and stellar wind of the mature late-F star χ Draconis A
Marsden, S. C., Evensberget, D., Brown, E. L., Neiner, C., Seach, J. M., Morin, J., Petit, P., Jeffers, S. and Folsom, C. O.. 2023. "The magnetic field and stellar wind of the mature late-F star χ Draconis A." Monthly Notices of the Royal Astronomical Society. 522 (1), pp. 792-810. https://doi.org/10.1093/mnras/stad925

Article

Developing a Drift Rate Distribution for Technosignature Searches of Exoplanets
Li, Megan G., Sheikh, Sofia Z., Gilbertson, Christian, He, Matthias Y., Isaacson, Howard, Croft, Steve and Sneed, Evan L.. 2023. "Developing a Drift Rate Distribution for Technosignature Searches of Exoplanets." The Astronomical Journal. 166 (5). https://doi.org/10.3847/1538-3881/acf83d

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A VERITAS/Breakthrough Listen Search for Optical Technosignatures
Acharyya, A., Adams, C. B., Archer, A., Bangale, P., Batista, P., Benbow, W., Brill, A., Capasso, M., Errando, M., Falcone, A., Feng, Q., Finley, J. P., Foote, G. M., Fortson, L., Furniss, A., Griffin, S., Hanlon, W., Hanna, D., Hervet, O., ..., Siemion, A.. 2023. "A VERITAS/Breakthrough Listen Search for Optical Technosignatures." The Astrophysical Journal: an international review of astronomy and astronomical physics. 166 (3). https://doi.org/10.3847/1538-3881/ace347

Article

The Breakthrough Listen Search for Intelligent Life: A Laser Search Pipeline for the Automated Planet Finder
Zuckerman, Anna, Ko, Zoe, Isaacson, Howard, Croft, Steve, Price, Danny, Lebofsky, Matt and Siemion, Andrew. 2023. "The Breakthrough Listen Search for Intelligent Life: A Laser Search Pipeline for the Automated Planet Finder." The Astrophysical Journal: an international review of astronomy and astronomical physics. 165 (3). https://doi.org/10.3847/1538-3881/acb342

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Scaling K2. VI. Reduced Small-planet Occurrence in High-galactic-amplitude Stars
Zink, Jon K., Hardegree-Ullman, Kevin K., Christiansen, Jessie L., Petigura, Erik A., Boley, Kiersten M., Bhure, Sakhee, Rice, Malena, Yee, Samuel W., Isaacson, Howard, Fernandes, Rachel B., Howard, Andrew W., Blunt, Sarah, Lubin, Jack, Chontos, Ashley, Pidhorodetska, Daria and MacDougall, Mason G.. 2023. "Scaling K2. VI. Reduced Small-planet Occurrence in High-galactic-amplitude Stars." Astronomical Journal. 165 (6). https://doi.org/10.3847/1538-3881/acd24c

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Dynamical masses and ages of Sirius-like systems
Zhang, Hengyue, Brandt, Timothy D, Kiman, Rocio, Venner, Venner, Alexander, An, Qier, Chen, Minghan and Li, Yiting. 2023. "Dynamical masses and ages of Sirius-like systems." Monthly Notices of the Royal Astronomical Society. 524 (1), pp. 695-715. https://doi.org/10.1093/mnras/stad1849

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Chronostar-II. Kinematic age and substructure of the Scorpius-Centaurus OB2 association
Zerjal, Maruša, Ireland, Michael J., Crundall, Timothy D., Krumholz, Mark R. and Rains, Adam D.. 2023. "Chronostar-II. Kinematic age and substructure of the Scorpius-Centaurus OB2 association." Monthly Notices of the Royal Astronomical Society. 519 (3), pp. 3992-4009. https://doi.org/10.1093/mnras/stac3693

Article

The TESS Grand Unified Hot Jupiter Survey. II. Twenty New Giant Planets
Zhou, George. 2023. "The TESS Grand Unified Hot Jupiter Survey. II. Twenty New Giant Planets." Astrophysical Journal Supplement Series. 265. https://doi.org/10.3847/1538-4365/aca286

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SEAAN history & heritage working group report for calendar years 2021 and 2022
Orchiston, Wayne. 2023. "SEAAN history & heritage working group report for calendar years 2021 and 2022." Journal of Astronomical History and Heritage. 26 (1), pp. 252-256. https://doi.org/10.3724/SP.J.1440-2807.2023.01.12

Article

A crystallizing white dwarf in a sirius-like quadruple system
Venner, Alexander, Blouin, Simon, Bedard, Antoine and Vanderburg, Andrew. 2023. "A crystallizing white dwarf in a sirius-like quadruple system." Monthly Notices of the Royal Astronomical Society. 523 (3), pp. 4624-4642. https://doi.org/10.1093/mnras/stad1719

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TESS-Keck Survey. XIV. Two Giant Exoplanets from the Distant Giants Survey
Van Zandt, Judah, Petigura, Erik A., MacDougall, Mason, Gilbert, Gregory J., Lubin, Jack, Barclay, Thomas, Batalha, Natalie M., Crossfield, Ian J. M., Dressing, Courtney, Fulton, Benjamin, Howard, Andrew W. and Isaacson, Howard. 2023. "TESS-Keck Survey. XIV. Two Giant Exoplanets from the Distant Giants Survey." The Astronomical Journal. 165 (2). https://doi.org/10.3847/1538-3881/aca6ef

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A 7 Day Multiwavelength Flare Campaign on AU Mic. I. High-time-resolution Light Curves and the Thermal Empirical Neupert Effect
Tristan, Isaiah I., Notsu, Yuta, Kowalski, Adam F., Brown, Alexander, Wisniewski, John P., Osten, Rachel A., Vrijmoet, Eliot H., White, Graeme L., Carter, Brad D., Grady, Carol A., Henry, Todd J., Hinojosa, Rodrigo H., Lomax, Jamie R., Neff, James E., Paredes, Leonardo A. and Soutter, Jack. 2023. "A 7 Day Multiwavelength Flare Campaign on AU Mic. I. High-time-resolution Light Curves and the Thermal Empirical Neupert Effect." The Astrophysical Journal: an international review of astronomy and astronomical physics. 951 (1). https://doi.org/10.3847/1538-4357/acc94f

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δ Scuti pulsations in the bright Pleiades eclipsing binary HD 23642
Southworth, John, Murphy, S J and Pavlovski, K. 2023. "δ Scuti pulsations in the bright Pleiades eclipsing binary HD 23642 ." Monthly Notices of the Royal Astronomical Society: Letters. 520 (1), pp. L53-L57. https://doi.org/10.1093/mnrasl/slad004

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The Near Infrared Imager and Slitless Spectrograph for the James Webb Space Telescope. IV. Aperture Masking Interferometry
Sivaramakrishnan, Anand, Tuthill, Peter, Lloyd, James P., Greenbaum, Alexandra Z., Thatte, Deepashri, Cooper, Rachel A., Vandal, Thomas, Kammerer, Jens, Sanchez-Bermudez, Joel and Pope, Benjamin J. S.. 2023. "The Near Infrared Imager and Slitless Spectrograph for the James Webb Space Telescope. IV. Aperture Masking Interferometry." Publications of the Astronomical Society of the Pacific. 135 (1043). https://doi.org/10.1088/1538-3873/acaebd

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Asteroseismology of δ Scuti stars: emulating model grids using a neural network
Scutt, Owen J., Murphy, Simon J, Nielsen, Martin B, Davies, Guy R, Bedding, Timothy R and Lyttle, Alexander J. 2023. "Asteroseismology of δ Scuti stars: emulating model grids using a neural network ." Monthly Notices of the Royal Astronomical Society. 525 (4), pp. 5235-5244. https://doi.org/10.1093/mnras/stad2621

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Invisible women: Gender representation in high school science courses across Australia
Ross, Kathryn, Galaudage, Shanika, Clark, Tegan, Lowson, Nataliea, Battisti, Andrew, Adam, Helen, Ross, Alexandra K. and Sweaney, Nici. 2023. "Invisible women: Gender representation in high school science courses across Australia." Australian Journal of Education. 67 (3), pp. 231-252. https://doi.org/10.1177/00049441231197245

Article

The Orbital Architecture of Qatar-6: A Fully Aligned Three-body System?
Rice, Malena, Wang, Songhu, Gerbig, Konstantin, Wang, Xian-Yu, Dai, Fei, Tyler, Dakotah, Isaacson, Howard and Howard, Andrew W.. 2023. "The Orbital Architecture of Qatar-6: A Fully Aligned Three-body System?" The Astronomical Journal. 165 (2). https://doi.org/10.3847/1538-3881/aca88e

Article

Three Saturn-mass planets transiting F-type stars revealed with TESS and HARPS: TOI-615b, TOI-622b, and TOI-2641b
Psaridi, Angelica, Bouchy, Francois, Lendl, Monika, Akinsanmi, Babatunde, Stassun, Keivan G., Smalley, Barry, Armstrong, David J., Howard, Saburo, Ulmer-Moll, Solene, Grieves, Nolan, Barkaoui, Khalid, Rodriguez, Joseph E., Bryant, Edward M., Suarez, Olga, Guillot, Tristan, Evans, Phil, Attia, Omar, Wittenmyer, Robert A., Yee, Samuel W., ..., Zapata, Abner. 2023. "Three Saturn-mass planets transiting F-type stars revealed with TESS and HARPS: TOI-615b, TOI-622b, and TOI-2641b." Astronomy and Astrophysics: a European journal. 675. https://doi.org/10.1051/0004-6361/202346406

Article

The Role Of Temporary Western Observatories In The Development Of Professional Astronomy In Thailand
Orchiston, Wayne and Orchiston, Darunee Lingling. 2023. "The Role Of Temporary Western Observatories In The Development Of Professional Astronomy In Thailand." Journal of Astronomical History and Heritage. 26 (1), pp. 31-68. https://doi.org/10.3724/SP.J.1440-2807.2023.01.03

Article

MOA-2020-BLG-208Lb: Cool Sub-Saturn-mass Planet within Predicted Desert
Olmschenk, Greg, Bennett, David P., Bond, Ian A., Zang, Weicheng, Jung, Youn Kil, Yee, Jennifer C., Bachelet, Etienne, Abe, Fumio, Barry, Richard K., Bhattacharya, Aparna and Drummond, John. 2023. "MOA-2020-BLG-208Lb: Cool Sub-Saturn-mass Planet within Predicted Desert." The Astronomical Journal. 165 (4). https://doi.org/10.3847/1538-3881/acbcc8

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The Unistellar Exoplanet Campaign: Citizen Science Results and Inherent Education Opportunities
O’Conner Peluso, Daniel, Esposito, Thomas M., Marchis, Franck, Dalba, Paul A., Sgro, Lauren, Megowan-Romanowicz, Colleen, Pennypacker, Carl, Carter, Bradley, Wright, Duncan, Avsar, Arin M., Perrocheau, Amaury and Unistellar Citizen Scientists,. 2023. "The Unistellar Exoplanet Campaign: Citizen Science Results and Inherent Education Opportunities." Publications of the Astronomical Society of the Pacific. 135 (1043). https://doi.org/10.1088/1538-3873/acaa58

Article

A mixed stirring mechanism for debris discs with giant and dwarf planetary perturbations
Munoz-Gutierrez, Marco A., Marshall, Jonathan P. and Peimbert, Antonio. 2023. "A mixed stirring mechanism for debris discs with giant and dwarf planetary perturbations." Monthly Notices of the Royal Astronomical Society. 520 (3), pp. 3218-3228. https://doi.org/10.1093/mnras/stad218

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Constraints on Magnetic Braking from the G8 Dwarf Stars 61 UMa and τ Cet
Metcalfe, Travis S., Strassmeie, Klaus G., Ilyin, Ilya V., van Saders, Jennifer L., Ayres, Thomas R., Finley, Adam J., Kochukhov, Oleg, Petit, Pascal, See, Victor, Stassun, Keivan G., Jeffers, Sandra V., Marsden, Stephen C., Morin, Julien and Vidotto, Aline A.. 2023. "Constraints on Magnetic Braking from the G8 Dwarf Stars 61 UMa and τ Cet ." The Astrophysical Journal Letters. 948 (1). https://doi.org/10.3847/2041-8213/acce38

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Evidence for the Disruption of a Planetary System During the Formation of the Helix Nebulaa
Marshall, Jonathan P., Ertel, Steve, Birtcil, Eric, Villaver, Eva, Kemper, Francisca, Boffin, Henri, Scicluna, Peter and Kamath, Devika. 2023. "Evidence for the Disruption of a Planetary System During the Formation of the Helix Nebulaa." The Astronomical Journal. 165 (1). https://doi.org/10.3847/1538-3881/ac9d90

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Multi-wavelength aperture polarimetry of debris disc host stars
Marshall, Jonathan P, Cotton, Daniel V, Bott, Kimberly, Bailey, Jeremy, Kedziora-Chudczer, Lucyna and Brown, Emma. 2023. "Multi-wavelength aperture polarimetry of debris disc host stars." Monthly Notices of the Royal Astronomical Society. 522 (2), pp. 2777-2800. https://doi.org/10.1093/mnras/stad979

Article

The TESS-Keck Survey. XV. Precise Properties of 108 TESS Planets and Their Host Stars
Isaacson, Howard. 2023. "The TESS-Keck Survey. XV. Precise Properties of 108 TESS Planets and Their Host Stars." The Astronomical Journal. 166 (1). https://doi.org/10.3847/1538-3881/acd557

Article

A deep-learning search for technosignatures from 820 nearby stars
Ma, Peter Xiangyuan, Ng, Cherry, Rizk, Leandro, Croft, Steve, Siemion, Andrew P. V., Brzycki, Bryan, Czech, Daniel, Drew, Jamie, Gajjar, Vishal, Hoang, John, Isaacson, Howard, Lebofsky, Matt, MacMahon, David H. E., de Pater, Imke, Price, Danny C., Sheikh, Sofia Z. and Worden, S. Pete. 2023. "A deep-learning search for technosignatures from 820 nearby stars." Nature Astronomy. 7 (4), pp. 492-502. https://doi.org/10.1038/s41550-022-01872-z

Article

Three low-mass companions around aged stars discovered by TESS
Zhou, George R. 2023. "Three low-mass companions around aged stars discovered by TESS." Monthly Notices of the Royal Astronomical Society. 523 (4), pp. 6162-6185. https://doi.org/10.1093/mnras/stad1745

Article

Reply to: Explaining bright radar reflections below the south pole of Mars without liquid water
Lauro, Sebastian Emanuel, Pettinelli, Elena, Caprarelli, Graziella, Guallini, Luca, Rossi, Angelo Pio, Mattei, Elisabetta, Cosciotti, Barbara, Cicchetti, Andrea, Soldovieri, Francesco, Cartacci, M., Di Paolo, F., Noschese, R. and Orosei, R.. 2023. "Reply to: Explaining bright radar reflections below the south pole of Mars without liquid water." Nature Astronomy. 7 (3), pp. 259-261. https://doi.org/10.1038/s41550-022-01871-0

Notes or commentaries

TOI-1130: A photodynamical analysis of a hot Jupiter in resonance with an inner low-mass planet
Huang, C. X.. 2023. "TOI-1130: A photodynamical analysis of a hot Jupiter in resonance with an inner low-mass planet." Astronomy and Astrophysics: a European journal. 675. https://doi.org/10.1051/0004-6361/202244617

Article

Colonial astronomy as an element of empire in British India
Kapoor, R.C. and Orchiston, Wayne. 2023. "Colonial astronomy as an element of empire in British India." Journal of Astronomical History and Heritage. 26 (1), pp. 113-158. https://doi.org/10.3724/SP.J.1440-2807.2023.01.07

Article

Revised Properties and Dynamical History for the HD 17156 System
Kane, Stephen R., Hill, Michelle L., Dalba, Paul A., Fetherolf, Tara, Henry, Gregory W., Fajardo-Acosta, Sergio B., Gnilka, Crystal L., Howard, Andrew W., Howell, Steve B. and Isaacson, Howard. 2023. "Revised Properties and Dynamical History for the HD 17156 System." The Astronomical Journal. 165 (6). https://doi.org/10.3847/1538-3881/acd17a

Article

Evolution of brightness and magnetic features of young solar-type stars - II. The young F8 star HIP 71933
Hughes, J E, Marsden, S C, Carter, B, Waite, I A, Burton, D M, Perugini, G M and Hebrard, E M. 2023. "Evolution of brightness and magnetic features of young solar-type stars - II. The young F8 star HIP 71933." Monthly Notices of the Royal Astronomical Society. 524 (2), pp. 1757-1774. https://doi.org/10.1093/mnras/stad748

Article

A Transiting Super-Earth in the Radius Valley and an Outer Planet Candidate Around HD 307842
Hua, Xinyan, Wang, Sharon Xuesong, Teske, Johanna K., Gan, Tianjun, Shporer, Avi, Zhou, George, Stassun, Keivan G., Rabus, Markus, Howell, Steve B., Ziegler, Carl, Lissauer, Jack J., Winn, Joshua N., Jenkins, Jon M., Ting, Eric B., Collins, Karen A., Mann, Andrew W. and Zhu, Wei. 2023. "A Transiting Super-Earth in the Radius Valley and an Outer Planet Candidate Around HD 307842." The Astronomical Journal. 166 (1), pp. 1-22. https://doi.org/10.3847/1538-3881/acd751

Article

A study of the rapid rotator ζ Aql: differential surface rotation?
Howarth, Ian D., Bailey, Jeremy, Cotton, Daniel V. and Kedziora-Chudczer, Lucyna. 2023. "A study of the rapid rotator ζ Aql: differential surface rotation?" Monthly Notices of the Royal Astronomical Society. 520 (1), pp. 1193-1209. https://doi.org/10.1093/mnras/stad149

Article

Unresolved Rossby and gravity modes in 214 A and F stars showing rotational modulation
Henriksen, Andreea I., Antoci, Victoria, Saio, Hideyuki, Grundahl, Frank, Kjeldsen, Hans, Van Reeth, Timothy, Bowman, Dominic M., Papics, Peter I., De Cat, Peter, Kruger, Joachim, Andersen, M. Fredslund and Palle, P. L.. 2023. "Unresolved Rossby and gravity modes in 214 A and F stars showing rotational modulation." Monthly Notices of the Royal Astronomical Society. 524 (3), pp. 4196-4211.

Article