Search Results
Showing 1-20 of about 61 results.
Merger histories of brightest group galaxies from MUSE stellar kinematicsDOI: info:10.1093/mnras/stac1781v. 5151104–1121
Loubser, S. I., Lagos, P., Babul, A., O'Sullivan, Ewan, Jung, S. L., Olivares, V., and Kolokythas, K. 2022. "Merger histories of brightest group galaxies from MUSE stellar kinematics." Monthly Notices of the Royal Astronomical Society, 515 1104–1121. https://doi.org/10.1093/mnras/stac1781.
Spatially resolved properties of early-type group-dominant galaxies with MUSE: gas content, ionization mechanisms, and metallicity gradientsDOI: info:10.1093/mnras/stac2535v. 5165487–5506
Lagos, P., Loubser, S. I., Scott, T. C., O'Sullivan, Ewan, Kolokythas, K., Babul, A., Nigoche-Netro, A., Olivares, V., and Sengupta, C. 2022. "Spatially resolved properties of early-type group-dominant galaxies with MUSE: gas content, ionization mechanisms, and metallicity gradients." Monthly Notices of the Royal Astronomical Society, 516 5487–5506. https://doi.org/10.1093/mnras/stac2535.
Gas condensation in brightest group galaxies unveiled with MUSE. Morphology and kinematics of the ionized gasDOI: info:10.1051/0004-6361/202142475v. 666A94
Olivares, V., Salomé, P., Hamer, S. L., Combes, F., Gaspari, M., Kolokythas, K., O'Sullivan, Ewan, Beckmann, R. S., Babul, A., Polles, F. L., Lehnert, M., Loubser, S. I., Donahue, M., Gendron-Marsolais, M. -L, Lagos, P., Pineau des Forets, G., Godard, B., Rose, T., Tremblay, Grant, Ferland, G., and Guillard, P. 2022. "Gas condensation in brightest group galaxies unveiled with MUSE. Morphology and kinematics of the ionized gas." Astronomy and Astrophysics, 666 A94. https://doi.org/10.1051/0004-6361/202142475.
An optimal estimation-based retrieval of upper atmospheric oxygen airglow and temperature from SCIAMACHY limb observationsDOI: info:10.5194/amt-15-3721-2022v. 153721–3745
Sun, Kang, Yousefi, Mahdi, Miller, Christopher Chan, Chance, Kelly, González Abad, Gonzalo, Gordon, Iouli E., Liu, Xiong, O'Sullivan, Ewan, Sioris, Christopher E., and Wofsy, Steven C. 2022. "An optimal estimation-based retrieval of upper atmospheric oxygen airglow and temperature from SCIAMACHY limb observations." Atmospheric Measurement Techniques, 15 3721–3745. https://doi.org/10.5194/amt-15-3721-2022.
Very Large Array Radio Study of a Sample of Nearby X-Ray and Optically Bright Early-type GalaxiesDOI: info:10.3847/1538-4365/ac366cv. 25830
Grossová, Romana, Werner, Norbert, Massaro, Francesco, Lakhchaura, Kiran, Plšek, Tomáš, Gabányi, Krisztina, Rajpurohit, Kamlesh, Canning, Rebecca E. A., Nulsen, Paul, O'Sullivan, Ewan, Allen, Steven W., and Fabian, Andrew. 2022. "Very Large Array Radio Study of a Sample of Nearby X-Ray and Optically Bright Early-type Galaxies." The Astrophysical Journal Supplement Series, 258 30. https://doi.org/10.3847/1538-4365/ac366c.
The Complete Local-Volume Groups Sample - IV. Star formation and gas content in group-dominant galaxiesDOI: info:10.1093/mnras/stab3699v. 5104191–4207
Kolokythas, Konstantinos, Vaddi, Sravani, O'Sullivan, Ewan, Loubser, Ilani, Babul, Arif, Raychaudhury, Somak, Lagos, Patricio, and Jarrett, Thomas H. 2022. "The Complete Local-Volume Groups Sample - IV. Star formation and gas content in group-dominant galaxies." Monthly Notices of the Royal Astronomical Society, 510 4191–4207. https://doi.org/10.1093/mnras/stab3699.
Massive central galaxies of galaxy groups in the ROMULUS simulations: an overview of galaxy properties at z = 0DOI: info:10.1093/mnras/stac1622v. 51522–47
Jung, S. Lyla, Rennehan, Douglas, Saeedzadeh, Vida, Babul, Arif, Tremmel, Michael, Quinn, Thomas R., Loubser, S. Ilani, O'Sullivan, Ewan, and Yi, Sukyoung K. 2022. "Massive central galaxies of galaxy groups in the ROMULUS simulations: an overview of galaxy properties at z = 0." Monthly Notices of the Royal Astronomical Society, 515 22–47. https://doi.org/10.1093/mnras/stac1622.
The contribution of non-central radio galaxies to AGN feedback in rich galaxy clustersDOI: info:10.1093/mnras/stac1064v. 5133273–3288
Seth, Ruchika, O'Sullivan, Ewan, Sebastian, Biny, Raychaudhury, Somak, Schellenberger, Gerrit, and Haines, Christopher P. 2022. "The contribution of non-central radio galaxies to AGN feedback in rich galaxy clusters." Monthly Notices of the Royal Astronomical Society, 513 3273–3288. https://doi.org/10.1093/mnras/stac1064.
The Unusually Weak and Exceptionally Steep Radio Relic in A2108DOI: info:10.3847/1538-4357/ac3b5av. 92591
Schellenberger, Gerrit, Giacintucci, Simona, Lovisari, Lorenzo, O'Sullivan, Ewan, Vrtilek, Jan, David, Laurence P., Melin, Jean-Baptiste, Lal, Dharam Vir, Ettori, Stefano, Kolokythas, Konstantinos, Sereno, Mauro, and Raychaudhury, Somak. 2022. "The Unusually Weak and Exceptionally Steep Radio Relic in A2108." The Astrophysical Journal, 925 91. https://doi.org/10.3847/1538-4357/ac3b5a.
Molecular gas along the old radio jets of the cluster-central type 2 quasar IRAS 09104+4109DOI: info:10.1093/mnras/stab2825v. 5083796–3811
O'Sullivan, Ewan, Combes, Françoise, Babul, Arif, Chapman, Scott, Phadke, Kedar A., Schellenberger, Gerrit, and Salomé, Philippe. 2021. "Molecular gas along the old radio jets of the cluster-central type 2 quasar IRAS 09104+4109." Monthly Notices of the Royal Astronomical Society, 508 3796–3811. https://doi.org/10.1093/mnras/stab2825.
A First Chandra View of the Cool Core Cluster A1668: Offset Cooling and AGN Feedback CycleDOI: info:10.3847/1538-4357/abe85fv. 91166
Pasini, Thomas, Gitti, Myriam, Brighenti, Fabrizio, O'Sullivan, Ewan, Gastaldello, Fabio, Temi, Paquale, and Hamer, Stephen L. 2021. "A First Chandra View of the Cool Core Cluster A1668: Offset Cooling and AGN Feedback Cycle." The Astrophysical Journal, 911 66. https://doi.org/10.3847/1538-4357/abe85f.
1321+045: A compact steepâ€'spectrum radio source in a coolâ€'core galaxy clusterDOI: info:10.1002/asna.20210035v. 3421155–1159
O'Sullivan, Ewan, Kunert-Bajraszewska, Magdalena, Siemiginowska, Aneta, Burke, Douglas J., Combes, Françoise, Salomé, Philippe, and Giacintucci, Simona. 2021. "1321+045: A compact steepâ€'spectrum radio source in a coolâ€'core galaxy cluster." Astronomische Nachrichten, 342 1155–1159. https://doi.org/10.1002/asna.20210035.
SDSS-IV MaNGA: The Nature of an Off-galaxy H Blob-A Multiwavelength View of Offset Cooling in a Merging Galaxy GroupDOI: info:10.3847/1538-4357/abb80cv. 90316
Pan, Hsi-An, Lin, Lihwai, Hsieh, Bau-Ching, Michalowski, Michal J., Bothwell, Matthew S., Huang, Song, Moiseev, Alexei V., Oparin, Dmitry, O'Sullivan, Ewan, Worrall, Diana M., Sánchez, Sebastián F., Gwyn, Stephen, Law, David R., Stark, David V., Bizyaev, Dmitry, Li, Cheng, Lee, Chien-Hsiu, Fu, Hai, Belfiore, Francesco, Bundy, Kevin, Fernández-Trincado, José G., Gelfand, Joseph, and Peirani, Sébastien. 2020. "SDSS-IV MaNGA: The Nature of an Off-galaxy Ha Blob-A Multiwavelength View of Offset Cooling in a Merging Galaxy Group." The Astrophysical Journal, 903 16. https://doi.org/10.3847/1538-4357/abb80c.
Temperature profiles of hot gas in early-type galaxiesDOI: info:10.1093/mnras/stz3530v. 4922095–2118
Kim, Dong-Woo, Traynor, Liam, Paggi, Alessandro, O'Sullivan, Ewan, Anderson, Craig, Burke, Douglas, D'Abrusco, Raffaele, Fabbiano, Giuseppina, Fruscione, Antonella, Lauer, Jennifer, McCollough, Michael, Morgan, Douglas, Mossman, Amy, Vrtilek, Saeqa, and Trinchieri, Ginevra. 2020. "Temperature profiles of hot gas in early-type galaxies." Monthly Notices of the Royal Astronomical Society, 492 2095–2118. https://doi.org/10.1093/mnras/stz3530.
Dynamical masses of brightest cluster galaxies I: stellar velocity anisotropy and mass-to-light ratiosDOI: info:10.1093/mnras/staa1682v. 4961857–1880
Loubser, S. I., Babul, A., Hoekstra, H., Bahé, Y. M., O'Sullivan, Ewan, and Donahue, M. 2020. "Dynamical masses of brightest cluster galaxies I: stellar velocity anisotropy and mass-to-light ratios." Monthly Notices of the Royal Astronomical Society, 496 1857–1880. https://doi.org/10.1093/mnras/staa1682.
The relation between the diffuse X-ray luminosity and the radio power of the central AGN in galaxy groupsDOI: info:10.1093/mnras/staa2049v. 4972163–2174
Pasini, T., Brüggen, M., de Gasperin, F., Bîrzan, L., O'Sullivan, Ewan, Finoguenov, A., Jarvis, M., Gitti, M., Brighenti, F., Whittam, I. H., Collier, J. D., Heywood, I., and Gozaliasl, G. 2020. "The relation between the diffuse X-ray luminosity and the radio power of the central AGN in galaxy groups." Monthly Notices of the Royal Astronomical Society, 497 2163–2174. https://doi.org/10.1093/mnras/staa2049.
Atacama Compact Array Measurements of the Molecular Mass in the NGC 5044 Cooling-flow GroupDOI: info:10.3847/1538-4357/ab879cv. 89472
Schellenberger, Gerrit, David, Laurence P., Vrtilek, Jan, O'Sullivan, Ewan, Lim, Jeremy, Forman, William, Sun, Ming, Combes, Francoise, Salome, Philippe, Jones, Christine, Giacintucci, Simona, Edge, Alastair, Gastaldello, Fabio, Temi, Pasquale, Brighenti, Fabrizio, and Bardelli, Sandro. 2020. "Atacama Compact Array Measurements of the Molecular Mass in the NGC 5044 Cooling-flow Group." The Astrophysical Journal, 894 72. https://doi.org/10.3847/1538-4357/ab879c.
Kim, Dong-Woo, Anderson, Craig S., Burke, Douglas J., D'Abrusco, Raffaele, Fabbiano, Giuseppina, Fruscione, Antonella, Lauer, Jennifer, McCollough, Michael, Morgan, Douglas, Mossman, Amy, O'Sullivan, Ewan, Paggi, Alessandro, Vrtilek, Saeqa, and Trinchieri, Ginevra. 2019. "Chandra Early-type Galaxy Atlas." The Astrophysical Journal Supplement Series, 241 36. https://doi.org/10.3847/1538-4365/ab0ca4.
The complete local volume groups sample - III. Characteristics of group central radio galaxies in the Local UniverseDOI: info:10.1093/mnras/stz2082v. 4892488–2504
Kolokythas, Konstantinos, O'Sullivan, Ewan, Intema, Huib, Raychaudhury, Somak, Babul, Arif, Giacintucci, Simona, and Gitti, Myriam. 2019. "The complete local volume groups sample - III. Characteristics of group central radio galaxies in the Local Universe." Monthly Notices of the Royal Astronomical Society, 489 2488–2504. https://doi.org/10.1093/mnras/stz2082.
Building a cluster: shocks, cavities, and cooling filaments in the group-group merger NGC 6338DOI: info:10.1093/mnras/stz1711v. 4882925–2946
O'Sullivan, Ewan, Schellenberger, Gerrit, Burke, Douglas J., Sun, Ming, Vrtilek, Jan M., David, Laurence P., and Sarazin, Craig. 2019. "Building a cluster: shocks, cavities, and cooling filaments in the group-group merger NGC 6338." Monthly Notices of the Royal Astronomical Society, 488 2925–2946. https://doi.org/10.1093/mnras/stz1711.