Staff profile

Journal Article

• Star formation and stellar & AGN feedback in the absence of accretion, not gas stripping, set the quenching time-scale in satellite galaxies
  
  Visser-Zadvornyi, A. I., Carstairs, M. E., Oman, K. A., & Verheijen, M. A. W. (2025). Star formation and stellar & AGN feedback in the absence of accretion, not gas stripping, set the quenching time-scale in satellite galaxies. Monthly Notices of the Royal Astronomical Society, 540(2), 1730-1744. https://doi.org/10.1093/mnras/staf802
• WALLABY Pilot Survey and ASymba: Comparing H i Detection Asymmetries to the SIMBA Simulation
  
  Perron-Cormier, M., Deg, N., Spekkens, K., Richardson, M. L. A., Glowacki, M., Oman, K. A., Verheijen, M. A. W., Hank, N. A. N., Blyth, S., Dénes, H., Rhee, J., Elagali, A., Shen, A. X., Raja, W., Lee-Waddell, K., Cortese, L., Catinella, B., & Westmeier, T. (2025). WALLABY Pilot Survey and ASymba: Comparing H i Detection Asymmetries to the SIMBA Simulation. The Astronomical Journal, 169(2), Article 114. https://doi.org/10.3847/1538-3881/ada567
• The onset of bar formation in a massive galaxy at z ∼ 3.8
  
  Amvrosiadis, A., Lange, S., Nightingale, J. W., He, Q., Frenk, C. S., Oman, K. A., Smail, I., Swinbank, A. M., Fragkoudi, F., Gadotti, D. A., Cole, S., Borsato, E., Robertson, A., Massey, R., Cao, X., & Li, R. (2025). The onset of bar formation in a massive galaxy at z ∼ 3.8. Monthly Notices of the Royal Astronomical Society, 537(2), 1163-1181. https://doi.org/10.1093/mnras/staf048
• MHONGOOSE discovery of a gas-rich low surface brightness galaxy in the Dorado group
  
  Maccagni, F. M., de Blok, W. J. G., Mancera Piña, P. E., Ragusa, R., Iodice, E., Spavone, M., McGaugh, S., Oman, K. A., Oosterloo, T. A., Koribalski, B. S., Kim, M., Adams, E. A. K., Amram, P., Bosma, A., Bigiel, F., Brinks, E., Chemin, L., Combes, F., Gibson, B., … Zijlstra, A. (2024). MHONGOOSE discovery of a gas-rich low surface brightness galaxy in the Dorado group. Astronomy & Astrophysics, 690, A69. https://doi.org/10.1051/0004-6361/202449441
• A warm dark matter cosmogony may yield more low-mass galaxy detections in 21-cm surveys than a cold dark matter one
  
  Oman, K. A., Frenk, C. S., Crain, R. A., Lovell, M. R., & Pfeffer, J. (2024). A warm dark matter cosmogony may yield more low-mass galaxy detections in 21-cm surveys than a cold dark matter one. Monthly Notices of the Royal Astronomical Society, 533(1), 67-78. https://doi.org/10.1093/mnras/stae1772
• MHONGOOSE: A MeerKAT nearby galaxy H I survey
  
  de Blok, W. J. G., Healy, J., Maccagni, F. M., Pisano, D. J., Bosma, A., English, J., Jarrett, T., Marasco, A., Meurer, G. R., Veronese, S., Bigiel, F., Chemin, L., Fraternali, F., Holwerda, B. W., Kamphuis, P., Klöckner, H. R., Kleiner, D., Leroy, A. K., Mogotsi, M., … Zijlstra, A. (2024). MHONGOOSE: A MeerKAT nearby galaxy H I survey. Astronomy & Astrophysics, 688, A109. https://doi.org/10.1051/0004-6361/202348297
• ARTEMIS emulator: exploring the effect of cosmology and galaxy formation physics on Milky Way-mass haloes and their satellites
  
  Brown, S. T., Fattahi, A., McCarthy, I. G., Font, A. S., Oman, K. A., & Riley, A. H. (2024). ARTEMIS emulator: exploring the effect of cosmology and galaxy formation physics on Milky Way-mass haloes and their satellites. Monthly Notices of the Royal Astronomical Society, 532(2), 1223-1240. https://doi.org/10.1093/mnras/stae1378
• MARTINI: Mock Array Radio Telescope Interferometry ofthe Neutral ISM
  
  Oman, K. A. (2024). MARTINI: Mock Array Radio Telescope Interferometry ofthe Neutral ISM. Journal of Open Source Software, 9(98), Article 6860. https://doi.org/10.21105/joss.06860
• An overlooked source of uncertainty in the mass of the Milky Way
  
  Oman, K. A., & Riley, A. H. (2024). An overlooked source of uncertainty in the mass of the Milky Way. Monthly Notices of the Royal Astronomical Society: Letters, 532(1), L48-L55. https://doi.org/10.1093/mnrasl/slae042
• Hydrodynamical simulations of merging galaxy clusters: giant dark matter particle colliders, powered by gravity
  
  Sirks, E. L., Harvey, D., Massey, R., Oman, K. A., Robertson, A., Frenk, C., Everett, S., Gill, A. S., Lagattuta, D., & McCleary, J. (2024). Hydrodynamical simulations of merging galaxy clusters: giant dark matter particle colliders, powered by gravity. Monthly Notices of the Royal Astronomical Society, 530(3), 3160-3170. https://doi.org/10.1093/mnras/stae1012
• Gas and Star Formation in Satellites of Milky Way Analogs
  
  Jones, M. G., Sand, D. J., Karunakaran, A., Spekkens, K., Oman, K. A., Bennet, P., Besla, G., Crnojević, D., Cuillandre, J.-C., Fielder, C. E., Gwyn, S., & Mutlu-Pakdil, B. (2024). Gas and Star Formation in Satellites of Milky Way Analogs. Astrophysical Journal, 966(1), Article 93. https://doi.org/10.3847/1538-4357/ad3076
• KURVS: the outer rotation curve shapes and dark matter fractions of z ∼ 1.5 star-forming galaxies
  
  Puglisi, A., Dudzevičiūtė, U., Swinbank, M., Gillman, S., Tiley, A. L., Bower, R. G., Cirasuolo, M., Cortese, L., Glazebrook, K., Harrison, C., Ibar, E., Molina, J., Obreschkow, D., Oman, K. A., Schaller, M., Shankar, F., & Sharples, R. M. (2023). KURVS: the outer rotation curve shapes and dark matter fractions of z ∼ 1.5 star-forming galaxies. Monthly Notices of the Royal Astronomical Society, 524(2), 2814-2835. https://doi.org/10.1093/mnras/stad1966
• The many reasons that the rotation curves of low-mass galaxies can fail as tracers of their matter distributions
  
  Downing, E. R., & Oman, K. A. (2023). The many reasons that the rotation curves of low-mass galaxies can fail as tracers of their matter distributions. Monthly Notices of the Royal Astronomical Society, 522(3), 3318-3336. https://doi.org/10.1093/mnras/stad868
• The north–south asymmetry of the ALFALFA H i velocity width function
  
  Brooks, R. A. N., Oman, K. A., & Frenk, C. S. (2023). The north–south asymmetry of the ALFALFA H i velocity width function. Monthly Notices of the Royal Astronomical Society, 522(3), 4043-4058. https://doi.org/10.1093/mnras/stad1191
• The diversity of rotation curves of simulated galaxies with cusps and cores
  
  Roper, F. A., Oman, K. A., Frenk, C. S., Benítez-Llambay, A., Navarro, J. F., & Santos-Santos, I. M. E. (2023). The diversity of rotation curves of simulated galaxies with cusps and cores. Monthly Notices of the Royal Astronomical Society, 521(1), 1316-1336. https://doi.org/10.1093/mnras/stad549
• Constraining quenching time-scales in galaxy clusters by forward-modelling stellar ages and quiescent fractions in projected phase space
  
  Reeves, A. M. M., Hudson, M. J., & Oman, K. A. (2023). Constraining quenching time-scales in galaxy clusters by forward-modelling stellar ages and quiescent fractions in projected phase space. Monthly Notices of the Royal Astronomical Society, 522(2), 1779-1799. https://doi.org/10.1093/mnras/stad1069
• The Astropy Project: Sustaining and Growing a Community-oriented Open-source Project and the Latest Major Release (v5.0) of the Core Package*
  
  Collaboration, T. A., Price-Whelan, A. M., Lim, P. L., Earl, N., Starkman, N., Bradley, L., Shupe, D. L., Patil, A. A., Corrales, L., Brasseur, C., Nöthe, M., Donath, A., Tollerud, E., Morris, B. M., Ginsburg, A., Vaher, E., Weaver, B. A., Tocknell, J., Jamieson, W., … Zonca, A. (2022). The Astropy Project: Sustaining and Growing a Community-oriented Open-source Project and the Latest Major Release (v5.0) of the Core Package*. Astrophysical Journal, 935(2), Article 167. https://doi.org/10.3847/1538-4357/ac7c74
• Using eagle simulations to study the effect of observational constraints on the determination of H i asymmetries in galaxies
  
  Bilimogga, P. V., Oman, K. A., Verheijen, M. A., & van der Hulst, T. (2022). Using eagle simulations to study the effect of observational constraints on the determination of H i asymmetries in galaxies. Monthly Notices of the Royal Astronomical Society, 513(4), 5310-5327. https://doi.org/10.1093/mnras/stac1213
• No need for dark matter: resolved kinematics of the ultra-diffuse galaxy AGC 114905
  
  Mancera Piña, P. E., Fraternali, F., Oosterloo, T., Adams, E. A., Oman, K. A., & Leisman, L. (2022). No need for dark matter: resolved kinematics of the ultra-diffuse galaxy AGC 114905. Monthly Notices of the Royal Astronomical Society, 512(3), 3230-3242. https://doi.org/10.1093/mnras/stab3491
• The ALFALFA HI velocity width function
  
  Oman, K. A. (2022). The ALFALFA HI velocity width function. Monthly Notices of the Royal Astronomical Society, 509(3), 3268-3284. https://doi.org/10.1093/mnras/stab3164
• Star formation histories of Coma cluster galaxies matched to simulated orbits hint at quenching around first pericenter
  
  Upadhyay, A., Oman, K., & Trager, S. (2021). Star formation histories of Coma cluster galaxies matched to simulated orbits hint at quenching around first pericenter. Astronomy and Astrophysics., 652, Article A16. https://doi.org/10.1051/0004-6361/202141036
• The weak lensing radial acceleration relation: Constraining modified gravity and cold dark matter theories with KiDS-1000
  
  Brouwer, M. M., Oman, K. A., Valentijn, E. A., Bilicki, M., Heymans, C., Hoekstra, H., Napolitano, N. R., Roy, N., Tortora, C., Wright, A. H., Asgari, M., van den Busch, J. L., Dvornik, A., Erben, T., Giblin, B., Graham, A. W., Hildebrandt, H., Hopkins, A. M., Kannawadi, A., … Visser, M. (2021). The weak lensing radial acceleration relation: Constraining modified gravity and cold dark matter theories with KiDS-1000. Astronomy and Astrophysics., 650, Article A113. https://doi.org/10.1051/0004-6361/202040108
• Velocity-dependent J-factors for annihilation radiation from cosmological simulations
  
  Board, E., Bozorgnia, N., Strigari, L. E., Grand, R. J., Fattahi, A., Frenk, C. S., Marinacci, F., Navarro, J. F., & Oman, K. A. (2021). Velocity-dependent J-factors for annihilation radiation from cosmological simulations. Journal of Cosmology and Astroparticle Physics, 2021(04), Article 070. https://doi.org/10.1088/1475-7516/2021/04/070
• A homogeneous measurement of the delay between the onsets of gas stripping and star formation quenching in satellite galaxies of groups and clusters
  
  Oman, K. A., Bahé, Y. M., Healy, J., Hess, K. M., Hudson, M. J., & Verheijen, M. A. (2021). A homogeneous measurement of the delay between the onsets of gas stripping and star formation quenching in satellite galaxies of groups and clusters. Monthly Notices of the Royal Astronomical Society, 501(4), 5073-5095. https://doi.org/10.1093/mnras/staa3845
• Stellar splashback: the edge of the intracluster light
  
  Deason, A. J., Oman, K. A., Fattahi, A., Schaller, M., Jauzac, M., Zhang, Y., Montes, M., Bahé, Y. M., Dalla Vecchia, C., Kay, S. T., & Evans, T. A. (2021). Stellar splashback: the edge of the intracluster light. Monthly Notices of the Royal Astronomical Society, 500(3), 4181-4192. https://doi.org/10.1093/mnras/staa3590
• To β or not to β: can higher-order Jeans analysis break the mass–anisotropy degeneracy in simulated dwarfs?
  
  Genina, A., Read, J., Frenk, C., Cole, S., Benítez-Llambay, A., Ludlow, A., Navarro, J., Oman, K., & Robertson, A. (2020). To β or not to β: can higher-order Jeans analysis break the mass–anisotropy degeneracy in simulated dwarfs?. Monthly Notices of the Royal Astronomical Society, 498(1), 144-163. https://doi.org/10.1093/mnras/staa2352
• Massive disc galaxies too dominated by dark matter in cosmological hydrodynamical simulations
  
  Marasco, A., Posti, L., Oman, K., Famaey, B., Cresci, G., & Fraternali, F. (2020). Massive disc galaxies too dominated by dark matter in cosmological hydrodynamical simulations. Astronomy and Astrophysics., 640, Article A70. https://doi.org/10.1051/0004-6361/202038326
• The Edge of the Galaxy
  
  Deason, A. J., Fattahi, A., Frenk, C. S., Grand, R. J., Oman, K. A., Garrison-Kimmel, S., Simpson, C. M., & Navarro, J. F. (2020). The Edge of the Galaxy. Monthly Notices of the Royal Astronomical Society, 496(3), 3929-3942. https://doi.org/10.1093/mnras/staa1711
• Robust H i kinematics of gas-rich ultra-diffuse galaxies: hints of a weak-feedback formation scenario
  
  Mancera Piña, P. E., Fraternali, F., Oman, K. A., Adams, E. A., Bacchini, C., Marasco, A., Oosterloo, T., Pezzulli, G., Posti, L., Leisman, L., Cannon, J. M., di Teodoro, E. M., Gault, L., Haynes, M. P., Reiter, K., Rhode, K. L., Salzer, J. J., & Smith, N. J. (2020). Robust H i kinematics of gas-rich ultra-diffuse galaxies: hints of a weak-feedback formation scenario. Monthly Notices of the Royal Astronomical Society, 495(4), 3636-3655. https://doi.org/10.1093/mnras/staa1256
• Baryonic clues to the puzzling diversity of dwarf galaxy rotation curves
  
  Santos-Santos, I. M., Navarro, J. F., Robertson, A., Benítez-Llambay, A., Oman, K. A., Lovell, M. R., Frenk, C. S., Ludlow, A. D., Fattahi, A., & Ritz, A. (2020). Baryonic clues to the puzzling diversity of dwarf galaxy rotation curves. Monthly Notices of the Royal Astronomical Society, 495(1), 58-77. https://doi.org/10.1093/mnras/staa1072
• The Milky Way total mass profile as inferred from Gaia DR2
  
  Cautun, M., Benítez-Llambay, A., Deason, A. J., Frenk, C. S., Fattahi, A., Gómez, F. A., Grand, R. J., Oman, K. A., Navarro, J. F., & Simpson, C. M. (2020). The Milky Way total mass profile as inferred from Gaia DR2. Monthly Notices of the Royal Astronomical Society, 494(3), 4291-4313. https://doi.org/10.1093/mnras/staa1017
• Off the Baryonic Tully–Fisher Relation: A Population of Baryon-dominated Ultra-diffuse Galaxies
  
  Mancera Piña, P. E., Fraternali, F., Adams, E. A., Marasco, A., Oosterloo, T., Oman, K. A., Leisman, L., di Teodoro, E. M., Posti, L., Battipaglia, M., Cannon, J. M., Gault, L., Haynes, M. P., Janowiecki, S., McAllan, E., Pagel, H. J., Reiter, K., Rhode, K. L., Salzer, J. J., & Smith, N. J. (2019). Off the Baryonic Tully–Fisher Relation: A Population of Baryon-dominated Ultra-diffuse Galaxies. Astrophysical Journal Letters, 883(2), Article L33. https://doi.org/10.3847/2041-8213/ab40c7
• The H i velocity function: a test of cosmology or baryon physics?
  
  Chauhan, G., Lagos, C. del P., Obreschkow, D., Power, C., Oman, K., & Elahi, P. J. (2019). The H i velocity function: a test of cosmology or baryon physics?. Monthly Notices of the Royal Astronomical Society, 488(4), 5898-5915. https://doi.org/10.1093/mnras/stz2069
• The SAMI Galaxy Survey: Quenching of Star Formation in Clusters I. Transition Galaxies
  
  Owers, M. S., Hudson, M. J., Oman, K. A., Bland-Hawthorn, J., Brough, S., Bryant, J. J., Cortese, L., Couch, W. J., Croom, S. M., Sande, J. van de, Federrath, C., Groves, B., Hopkins, A., Lawrence, J., Lorente, N. P., McDermid, R. M., Medling, A. M., Richards, S. N., Scott, N., … Yi, S. K. (2019). The SAMI Galaxy Survey: Quenching of Star Formation in Clusters I. Transition Galaxies. Astrophysical Journal, 873(1), Article 52. https://doi.org/10.3847/1538-4357/ab0201