Centre for Astrophysics


Latest research outputs

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Modelling δ Scuti pulsations: a new grid of p, g, and f modes across pre-main-sequence to post-main-sequence evolution
Gautam, Anuj, Murphy, Simon J. and Bedding, Timothy R.. 2026. "Modelling δ Scuti pulsations: a new grid of p, g, and f modes across pre-main-sequence to post-main-sequence evolution." Monthly Notices of the Royal Astronomical Society. 545 (4). https://doi.org/10.1093/mnras/staf2001

Article

Asteroseismic detection of a predominantly toroidal magnetic field in the deep interior of the main-sequence F star KIC 9244992
Takata, Masao, Murphy, Simon J., Kurtz, Donald W., Saio, Hideyuki and Shibahashi, Hiromoto. 2026. "Asteroseismic detection of a predominantly toroidal magnetic field in the deep interior of the main-sequence F star KIC 9244992." Monthly Notices of the Royal Astronomical Society. 545 (3). https://doi.org/10.1093/mnras/staf2153

Article

Academic Numeracies Framework
Salmeron, Raquel, Galligan, Linda and Howarth, Debi. 2026. Academic Numeracies Framework.

Other

Discovery of a multi-planet system orbiting the aged Sun-like star HD 224018
Damasso, M., Naponiello, L., Anna John, A., Egger, J. A., Cretignier, M., Mortier, A., Bonomo, A., Collier Cameron, A., Dumusque, X., Wilson, T., Buchhave, L., Nicholson, B., Stalport, M., Ghedina, A., Latham, D. W., Livingston, J., Malavolta, L., Sozzetti, A., Jenkins, J. M., ..., Watson, C. A.. 2025. "Discovery of a multi-planet system orbiting the aged Sun-like star HD 224018." Astronomy and Astrophysics: a European journal. 702. https://doi.org/10.1051/0004-6361/202555770

Article

Discovery of 79 δ Scuti Stars in NGC 3532 Suggests a Decrease of Pulsator Occurrence with Age
Berry, Ian, Huber, Daniel, Li, Yaguang, Hey, Daniel, Bedding, Timothy R. and Murphy, Simon J.. 2025. "Discovery of 79 δ Scuti Stars in NGC 3532 Suggests a Decrease of Pulsator Occurrence with Age." The Astrophysical Journal: an international review of astronomy and astronomical physics. 995. https://doi.org/10.3847/1538-4357/ae18c6

Article

Untapped: Veloce detects calcium in the atmosphere of WASP-189b
Borsato, Nicholas W., Krueger, Joachim, Zucker, Daniel B., Murphy, Simon J., Wright, Duncan and Martell, Sarah L.. 2025. "Untapped: Veloce detects calcium in the atmosphere of WASP-189b." Publications of the Astronomical Society of Australia. 42. https://doi.org/10.1017/pasa.2025.10097

Article

Characterizing bright δ Scuti pulsators using TESS light curves
Mani, Prasad, Bedding, Timothy R., Bernizzoni, Mara, Murphy, Simon J. and Hey, Daniel. 2025. "Characterizing bright δ Scuti pulsators using TESS light curves." Monthly Notices of the Royal Astronomical Society. 542 (4), pp. 2866-2876. https://doi.org/10.1093/mnras/staf1400

Article

Orbital and Physical Properties of the Pleiades Binary 27 Tau (Atlas)
Torres, Guillermo, Tkachenko, Andrew, Pavlovski, Krešimir, Gossage, Seth, Schaefer, Gail H., Melis, Carl, Ireland, Michael, Monnier, John D., Anugu, Narsireddy, Kraus, Stefan, Lanthermann, C., Gordon, Kathryn, Klement, Robert, Murphy, Simon J. and Roettenbacher, Rachael. 2025. "Orbital and Physical Properties of the Pleiades Binary 27 Tau (Atlas)." The Astrophysical Journal: an international review of astronomy and astronomical physics. 990 (2). https://doi.org/10.3847/1538-4357/adf224

Article

The Great January Comet of 1910 (C/1910 A1): a key opportunity missed by New Zealand astronomers
Drummond, John, Orchiston, Wayne, Brown, Carolyn and Horner, Jonathan. 2025. "The Great January Comet of 1910 (C/1910 A1): a key opportunity missed by New Zealand astronomers." Journal of Astronomical History and Heritage. 28, pp. 689-710. https://doi.org/10.3724/SP.J.1440-2807.2025.03.07

Article

The Spin–orbit alignment of two short period eclipsing binary systems
Wells, Tony, Addison, B. C., Wittenmyer, R. A., Wright, Duncan J., Fairnington, Tyler R., Dittmann, Jason, Horner, Jonathan, Kane, Stephen R., Kielkopf, John, Plavchan, Peter and Shporer, Avi. 2025. "The Spin–orbit alignment of two short period eclipsing binary systems." Monthly Notices of the Royal Astronomical Society. 542 (3), pp. 2269-2291. https://doi.org/10.1093/mnras/staf1355

Article

The Dependence of Earth Milankovitch Cycles on Martian Mass
Kane, Stephen R., Vervoort, Pam and Horner, Jonathan. 2025. "The Dependence of Earth Milankovitch Cycles on Martian Mass." Publications of the Astronomical Society of the Pacific. 137. https://doi.org/10.1088/1538-3873/ae2800

Article

Three-dimensional Orbit and Dynamical Masses of GJ 105 AC
Dedrick, Cayla M., Wright, Jason T., Eastman, Jason D., Blake, Cullen H., Johnson, Samson A., Plavchan, Peter, Johnson, John Asher, Sliski, David H., Wilson, Maurice L., Wittenmyer, Robert A., Barclay, Thomas, Horner, Jonathan, Kane, Stephen R. and Wang, Sharon X.. 2025. "Three-dimensional Orbit and Dynamical Masses of GJ 105 AC." The Astrophysical Journal: an international review of astronomy and astronomical physics. 985 (2). https://doi.org/10.3847/1538-4357/adc564

Article

Asteroseismology of the G8 subgiant β Aquilae with SONG-Tenerife, SONG-Australia and TESS
Kjeldsen, Hans, Bedding, Timothy R., Li, Yaguang, Grundahl, Frank, Andersen, Mads, Wright, Duncan J., Soutter, Jack, Wittenmyer, Rob, Reyes, Claudia, Stello, Dennis, Crawford, Courtney, Zhou, Yixiao, Clerte, Mathieu, Palle, Pere L., Simon-Diaz, Sergio, Christensen-Dalsgaard, Jørgen, Handberg, Rasmus, Hansen, Hasse, Heeren, Paul, ..., Murphy, Simon J.. 2025. "Asteroseismology of the G8 subgiant β Aquilae with SONG-Tenerife, SONG-Australia and TESS." Astronomy and Astrophysics: a European journal. 700. https://doi.org/10.1051/0004-6361/202554633

Article

The Close AGN Reference Survey (CARS): Long-term spectral variability study of the changing-look AGN Mrk 1018
Saha, T., Krumpe, M., Markowitz, A., Powell, M., Leung, G., Combes, F., McElroy, R. E, Elford, J. S., Gaspari, M., Winkel, N., Coil, A. and Urrutia, T.. 2025. "The Close AGN Reference Survey (CARS): Long-term spectral variability study of the changing-look AGN Mrk 1018." Astronomy and Astrophysics: a European journal. 699. https://doi.org/10.1051/0004-6361/202554707

Article

The Close AGN Reference Survey (CARS): a comparison between sub-mm and optical AGN diagnostic diagrams
Elford, Jacob S., Davis, Timothy A., Ruffa, Ilaria, Baum, Stefi A., Combes, Francoise, Gaspari, Massimo, McElroy, Rebecca, O’Dea, Christopher P., Omoruyi, Osase, Singha, Mainak, Tremblay, Grant R. and Winkel, Nico. 2025. "The Close AGN Reference Survey (CARS): a comparison between sub-mm and optical AGN diagnostic diagrams." Monthly Notices of the Royal Astronomical Society. 541 (2), pp. 1994-2007. https://doi.org/10.1093/mnras/staf1096

Article

Pulsations in binary stars – a short review
Murphy, S.J.. 2025. "Pulsations in binary stars – a short review." Contributions of the Astronomical Observatory Skalnate Pleso. 55 (3), pp. 122-140. https://doi.org/10.31577/caosp.2025.55.3.122

Article

Optimizing radial velocity detection limits for Southern Habitable Worlds Observatory targets
Wittenmyer, Robert A, Errico, Adriana, Holt, Timothy R, Horner, Jonathan, Harada, Caleb K., Kane, Stephen R., Li, Zhexing and Fetherolf, Tara. 2025. "Optimizing radial velocity detection limits for Southern Habitable Worlds Observatory targets." Monthly Notices of the Royal Astronomical Society. 539 (1), pp. 457-462. https://doi.org/10.1093/mnras/staf503

Article

The NEID Earth Twin Survey. II. Dynamical Masses in Seven High-acceleration Star Systems
Giovinazzi, Mark R., Blake, Cullen H., Robertson, Paul, Lin, Andrea S. J, Gupta, Arvind F., Mahadevan, Suvrath, Wright, Jason T., Bardalez Gagliuffi, Daniella, Dong, Jiayin, Fernandes, Rachel B., Fitzmaurice, Evan, Halverson, Samuel, Kanodia, Shubham, Logsdon, Sarah E., Luhn, Jacob K., McElwain, Michael W., Monson, Andy, Ninan, Joe P., Rajagopal, Jayadev, ..., Wittenmyer, Robert A. 2025. "The NEID Earth Twin Survey. II. Dynamical Masses in Seven High-acceleration Star Systems." The Astronomical Journal. 170 (1). https://doi.org/10.3847/1538-3881/add922

Article

Enhanced magnetic activity in rapidly rotating binary stars
Yu, Jie, Gehan, Charlotte, Hekker, Saskia, Bazot, Michäel, Cameron, Robert H., Gaulme, Patrick, Bedding, Timothy R., Murphy, Simon J., Han, Zhanwen, Ting, Yuan-Sen, Tayar, Jamie, Chen, Yajie, Gizon, Laurent, Nordhaus, Jason and Bi, Shaolan. 2025. "Enhanced magnetic activity in rapidly rotating binary stars." Nature Astronomy. 9, pp. 1045-1052. https://doi.org/10.1038/s41550-025-02562-2

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JWST 1.5 μm and 4.8 μm Photometry of Y Dwarfs
Albert, Loic, Leggett, Sandy K., Calissendorff, Per, Vandal, Thomas, Kirkpatrick, J. Davy, Bardalez Gagliuffi, Daniella C., Furio, Matthew, Meyer, Michael, Beichman, Charles A., Burgasser, Adam J., Cushing, Michael C., Faherty, Jacqueline Kelly, Fontanive, Clemence, Gelino, Christopher R., Gizis, John E., Greenbaum, Alexandra, Martinache, Frantz, N'Diaye, Mamadou, Pope, Benjamin J. S., ..., Ygouf, Marie. 2025. "JWST 1.5 μm and 4.8 μm Photometry of Y Dwarfs ." The Astronomical Journal. 169 (3). https://doi.org/10.3847/1538-3881/adadf9

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The James Webb Interferometer: Space-based Interferometric Detections of PDS 70 b and c at 4.8 μm
Blakely, Dori, Johnstone, Doug, Cugno, Gabriele, Sivaramakrishnan, Anand, Tuthill, Peter, Dong, Ruobing, Pope, Benjamin J. S., Albert, Loic, Charles, Max, Cooper, Rachel A., Furio, Matthew De, Desdoigts, Louis, Doyon, Rene, Francis, Logan, Greenbaum, Alexandra, Lafrenière, David, Lloyd, James P., Meyer, Michael R., Pueyo, Laurent, ..., Vandal, Thomas. 2025. "The James Webb Interferometer: Space-based Interferometric Detections of PDS 70 b and c at 4.8 μm." The Astronomical Journal. 169 (3). https://doi.org/10.3847/1538-3881/ad9b94

Article

Giant Outer Transiting Exoplanet Mass (GOT 'EM) Survey. V. Two Giant Planets in Kepler-511 but Only One Ran Away
Chachan, Yayaati, Dalba, Paul A., Thorngren, Daniel P., Kane, Stephen R., Isaacson, Howard, Lee, Eve J., Schwieterman, Edward, Howard, Andrew W. and Payne, Matthew J.. 2025. "Giant Outer Transiting Exoplanet Mass (GOT 'EM) Survey. V. Two Giant Planets in Kepler-511 but Only One Ran Away." The Astronomical Journal. 169 (5). https://doi.org/10.3847/1538-3881/adbe2f

Article

Origins of Super Jupiters: TOI-2145b has a Moderately Eccentric and Nearly Aligned Orbit
Dong, Jiayin, Chontos, Ashley, Zhou, George, Stefánsson, Gudmundur, Wang, Songhu, Huang, Chelsea X., Gupta, Arvind F., Halverson, Samuel, Kanodia, Shubham, Luhn, Jacob K., Mahadevan, Suvrath, Monson, Andrew, Alvarado-Montes, Jaime A., Ninan, Joe P., Robertson, Paul, Roy, Arpita, Schwab, C. and Wright, Jason T.. 2025. "Origins of Super Jupiters: TOI-2145b has a Moderately Eccentric and Nearly Aligned Orbit." The Astronomical Journal. 169 (1). https://doi.org/10.3847/1538-3881/ad8ec1

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Evidence for Primordial Alignment II: Insights from Stellar Obliquity Measurements for Hot Jupiters in Compact Multiplanet Systems
Radzom, Brandon T., Dong, Jiayin, Rice, Malena, Wang, Xian-Yu, Hixenbaugh, Kyle, Zhou, George, Huang, Chelsea X. and Wang, Songhu. 2025. "Evidence for Primordial Alignment II: Insights from Stellar Obliquity Measurements for Hot Jupiters in Compact Multiplanet Systems." Serbian Astronomical Journal. 169 (3). https://doi.org/10.3847/1538-3881/ad9dd5

Article

Gender diversity in Australian astronomy: the Astronomical Society of Australia 1966-2023
Stevenson, Toner and Lomb, Nick. 2025. "Gender diversity in Australian astronomy: the Astronomical Society of Australia 1966-2023." Historical Records of Australian Science. 36 (1). https://doi.org/10.1071/HR24022

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The TESS-Keck Survey. XXIV. Outer Giants May Be More Prevalent in the Presence of Inner Small Planets
Van Zandt, Judah, Petigura, Erik A., Lubin, Jack, Weiss, Lauren M., Turtelboom, Emma V., Fetherolf, Tara, Akana Murphy, Joseph M., Crossfield, Ian J. M., Gilbert, Gregory J., Mocnik, Teo, Batalha, Natalie M., Dressing, Courtney, Fulton, Benjamin, Howard, Andrew W., Huber, Daniel, Isaacson, Howard, Kane, Stephen R., Robertson, Paul, Roy, Arpita, ..., Zink, Jon. 2025. "The TESS-Keck Survey. XXIV. Outer Giants May Be More Prevalent in the Presence of Inner Small Planets." The Astronomical Journal. 169 (5). https://doi.org/10.3847/1538-3881/adbbed

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C3PO – IV. Co-natal stars depleted in refractories are magnetically more active – possible imprints of planets
Yu, Jie, Ting, Yuan-Sen, Casagrande, Luca, Liu, Fan, Wang, Sharon X, Sun, Qinghui, Huber, Daniel, Chen, Boquan, Cordoni, Giacomo, Da Costa, Gary, Huang, Chelsea X, Karakas, Amanda I, Khanna, Shourya, Zhu, Junhui, Ness, Melissa K., Nordlander, Thomas and Taylor, Taylor. 2025. "C3PO – IV. Co-natal stars depleted in refractories are magnetically more active – possible imprints of planets ." Monthly Notices of the Royal Astronomical Society. 538 (4), pp. 2408-2420. https://doi.org/10.1093/mnras/staf436

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HD 60435: the star that stopped pulsating
Kurtz, Donald W., Handler, Gerald, Holdsworth, Daniel L., Cunha, Margarida S., Saio, Hideyuki, Medupe, Thebe, Murphy, Simon J., Kruger, Joachim, Brunsden, E., Antoci, Victoria, Hey, Daniel R., Shitrit, Noi and Matthews, Jaymie M.. 2025. "HD 60435: the star that stopped pulsating." Monthly Notices of the Royal Astronomical Society. 536 (3), pp. 2103-2126. https://doi.org/10.1093/mnras/stae2708

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Ten Years of Earth and Space Science: Introduction to the Special Collection
Caprarelli, Graziella, Baratoux, David, Bulusu, Subrahmanyam, Cervato, Cinzia, Diviacco, Paolo, Donea, Alina, Fletcher, Steven J., Glaves, Helen M., Jones, Cathleen E., Lu, Gaopeng, Maute, Astrid, Mills, Franklin P., Pryor, Sara C., Tiampo, Kristy and Xie, Zunyi. 2025. "Ten Years of Earth and Space Science: Introduction to the Special Collection." Earth and Space Science. 12 (1). https://doi.org/10.1029/2024EA004151

Editorial

Partial protection of Bacillus subtilis spores on simulated Martian media enhances survival against UV radiation
Davis, Gregory M., Greenhill, Andrew R., Munro, Thomas W., Horner, Jonathan, Marsden, Stephen C. and Carter, Bradley D.. 2025. "Partial protection of Bacillus subtilis spores on simulated Martian media enhances survival against UV radiation." Discover Space. 129 (1). https://doi.org/10.1007/s11038-025-09563-1

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Commitment to Advance Excellence and Inclusion in the Earth and Space Sciences Scholarly Publications
Xenopoulos, Marguerite A., Beal, Lisa, Caprarelli, Graziella, Caylor, Kelly, Destouni, Georgia, Duan, Qingyun, Hauck, II, Steven A., Huber, Matthew, Karnauskas, Kristopher B., Lajtha, Kate, Lugaz, Noé, Montanari, Alberto, Nguyen, Helen, Parrish, Julia K., Rowan, Ann, Santos, Isaac R., Schubnel, Alexandre and Wysession, Michael. 2025. "Commitment to Advance Excellence and Inclusion in the Earth and Space Sciences Scholarly Publications." AGU Advances. 6 (2). https://doi.org/10.1029/2025AV001726

Editorial

TESS Giants Transiting Giants. VII. A Hot Saturn Orbiting an Oscillating Red Giant Star
Saunders, Nicholas, Grunblatt, Samuel K., Huber, Daniel, Ong, J. M. Joel, Schlaufman, Kevin C., Hey, Daniel, Li, Yaguang, Butler, R. P., Crane, Jeffrey D., Shectman, Steve, Teske, Johanna K., Quinn, Samuel N., Yee, Samuel W, Brahm, Rafael, Trifonov, Trifon, Jordan, Andrés, Henning, Thomas, Sing, David K., MacGregor, Meredith, ..., Jenkins, Jon M.. 2025. "TESS Giants Transiting Giants. VII. A Hot Saturn Orbiting an Oscillating Red Giant Star." The Astronomical Journal. 169 (2). https://doi.org/10.3847/1538-3881/ad9a87

Article

Discovery and Characterization of an Eccentric, Warm Saturn Transiting the Solar Analog TOI-4994
Martinez, Romy Rodríguez, Eastman, Jason D., Collins, Karen A., Rodriguez, Joseph E., Charbonneau, David, Quinn, Samuel N., Latham, David W., Ziegler, Carl, Brahm, Rafael, Fairnington, Tyler R., Ulmer-Moll, SolÉne, Stassun, Keivan G., Suarez, Olga, Guillot, Tristan, Hobson, Melissa J., Winn, Joshua N., Kanodia, Shubham, Schlecker, Martin, Butler, R. P., ..., Mireles, Ismael. 2025. "Discovery and Characterization of an Eccentric, Warm Saturn Transiting the Solar Analog TOI-4994." The Astronomical Journal. 169 (2). https://doi.org/10.3847/1538-3881/ad9b90

Article

Uncertainties in Ground-Based Visual Double Star Measures
Letchford, Roderick R. and White, Graeme L.. 2025. "Uncertainties in Ground-Based Visual Double Star Measures." Astronomische Nachrichten. 346 (2). https://doi.org/10.1002/asna.20240086

Article

Catching the wisps: Stellar mass-loss limits from low-frequency radio observations
Bloot, S., Vedantham, H. K., Kavanagh, R. D., Callingham, J. R. and Pope, B. J. S.. 2025. "Catching the wisps: Stellar mass-loss limits from low-frequency radio observations." Astronomy and Astrophysics: a European journal. 695. https://doi.org/10.1051/0004-6361/202452722

Article

A BCool survey of stellar magnetic cycles
Bellotti, S., Petit, P., Jeffers, S. V., Marsden, S. C., Morin, J. C., Vidotto, A. A., Folsom, C. P., See, V. and do Nascimento Jr., J.-D.. 2025. "A BCool survey of stellar magnetic cycles." Astronomy and Astrophysics: a European journal. 693. https://doi.org/10.1051/0004-6361/202452378

Article

A catalogue of binary stars from phase modulation in the first four years of TESS mission photometry
Dholakia, Shishir, Murphy, Simon J, Huang, Chelsea X, Venner, Alexander and Wright, Duncan. 2025. "A catalogue of binary stars from phase modulation in the first four years of TESS mission photometry." Monthly Notices of the Royal Astronomical Society. 536 (3), pp. 2313-2323. https://doi.org/10.1093/mnras/stae2551

Article

The Search for the In-betweeners: How Packed Are TESS Planetary Systems?
Horner, Jonathan, Wittenmyer, Robert A., Kane, Stephen R. and Holt, Timothy R.. 2025. "The Search for the In-betweeners: How Packed Are TESS Planetary Systems?" The Astronomical Journal. 169, p. 8. https://doi.org/10.3847/1538-3881/ad8e3a

Article

Two Earth-size Planets and an Earth-size Candidate Transiting the nearby Star HD 101581
Kunimoto, Michelle, Lin, Zifan, Millholland, Sarah, Venner, Alexander, Hinkel, Natalie R., Shporer, Shporer, Vanderburg, A., Bailey, Jeremy, Brahm, Rafael, Burt, Jennifer A., Butler, R. Paul, Carter, Brad, Ciardi, David R., Collins, Karen A., Collins, Kevin I., Colon, Knicole D., Crane, Jeffrey D., Daylan, Tansu, Diaz, Matías R., ..., Winn, Joshua. 2025. "Two Earth-size Planets and an Earth-size Candidate Transiting the nearby Star HD 101581." The Astronomical Journal. 169. https://doi.org/10.3847/1538-3881/ad9266

Article

Spreading across the continent: the Astronomical Society of Australia 1966-2023
Lomb, Nick and Stevenson, Toner. 2025. "Spreading across the continent: the Astronomical Society of Australia 1966-2023." Historical Records of Australian Science. 36 (1). https://doi.org/10.1071/HR24020

Article