Search Results
Showing 1-20 of about 31 results.
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HCG 57: Evidence for Shock-heated Intergalactic Gas from X-Rays and Optical Emission Line SpectroscopyDOI: info:10.3847/1538-4357/ada14bv. 979IOP240
O'Sullivan, Ewan, Appleton, P. N., Joshi, B. A., Lanz, Lauranne, Alatalo, Katherine, Vrtilek, Jan M., Zezas, Andreas, and David, Laurence P. 2025. "HCG 57: Evidence for Shock-heated Intergalactic Gas from X-Rays and Optical Emission Line Spectroscopy." The Astrophysical Journal, 979 240. https://doi.org/10.3847/1538-4357/ada14b.
Jet Reorientation in Central Galaxies of Clusters and Groups: Insights from VLBA and Chandra DataDOI: info:10.3847/1538-4357/ad11d8v. 961IOP134
Ubertosi, Francesco, Schellenberger, Gerrit, O'Sullivan, Ewan, Vrtilek, Jan, Giacintucci, Simona, David, Laurence P., Forman, William, Gitti, Myriam, Venturi, Tiziana, Jones, Christine, and Brighenti, Fabrizio. 2024. "Jet Reorientation in Central Galaxies of Clusters and Groups: Insights from VLBA and Chandra Data." The Astrophysical Journal, 961 134. https://doi.org/10.3847/1538-4357/ad11d8.
Feedback in the Extremely Violent Group Merger NGC 6338DOI: info:10.3847/1538-4357/acc52ev. 948IOP101
Schellenberger, Gerrit, O'Sullivan, Ewan, Giacintucci, Simona, Vrtilek, Jan, David, Laurence P., Combes, Francoise, Bîrzan, Laura, Pan, Hsi-An, and Lin, Lihwai. 2023. "Feedback in the Extremely Violent Group Merger NGC 6338." The Astrophysical Journal, 948 101. https://doi.org/10.3847/1538-4357/acc52e.
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.
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.
The ALMA Discovery of the Rotating Disk and Fast Outflow of Cold Molecular Gas in NGC 1275DOI: info:10.3847/1538-4357/ab3e6ev. 883193
Nagai, H., Onishi, K., Kawakatu, N., Fujita, Y., Kino, M., Fukazawa, Y., Lim, J., Forman, William, Vrtilek, Jan, Nakanishi, K., Noda, H., Asada, K., Wajima, K., Ohyama, Y., David, Laurence, and Daikuhara, K. 2019. "The ALMA Discovery of the Rotating Disk and Fast Outflow of Cold Molecular Gas in NGC 1275." The Astrophysical Journal, 883 193. https://doi.org/10.3847/1538-4357/ab3e6e.
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.
Forming One of the Most Massive Objects in the Universe: The Quadruple Merger in Abell 1758DOI: info:10.3847/1538-4357/ab35e4v. 88259
Schellenberger, Gerrit, David, Laurence, O'Sullivan, Ewan, Vrtilek, Jan M., and Haines, C. P. 2019. "Forming One of the Most Massive Objects in the Universe: The Quadruple Merger in Abell 1758." The Astrophysical Journal, 882 59. https://doi.org/10.3847/1538-4357/ab35e4.
Cold gas in a complete sample of group-dominant early-type galaxiesDOI: info:10.1051/0004-6361/201833580v. 618A126
O'Sullivan, Ewan J., Combes, F., Salomé, P., David, L. P., Babul, A., Vrtilek, Jan M., Lim, J., Olivares, V., Raychaudhury, S., and Schellenberger, Gerrit. 2018. "Cold gas in a complete sample of group-dominant early-type galaxies." Astronomy and Astrophysics, 618 A126. https://doi.org/10.1051/0004-6361/201833580.
The origin of the X-ray, radio and H I structures in the NGC 5903 galaxy groupDOI: info:10.1093/mnras/stx2702v. 4735248–5266
O'Sullivan, Ewan, Kolokythas, Konstantinos, Kantharia, Nimisha G., Raychaudhury, Somak, David, Laurence P., and Vrtilek, Jan M. 2018. "The origin of the X-ray, radio and H I structures in the NGC 5903 galaxy group." Monthly Notices of the Royal Astronomical Society, 473 5248–5266. https://doi.org/10.1093/mnras/stx2702.
The Presence of Thermally Unstable X-Ray Filaments and the Production of Cold Gas in the NGC 5044 GroupDOI: info:10.3847/1538-4357/aa756cv. 84284
David, Laurence P., Vrtilek, Jan, O'Sullivan, Ewan, Jones, Christine, Forman, William, and Sun, Ming. 2017. "The Presence of Thermally Unstable X-Ray Filaments and the Production of Cold Gas in the NGC 5044 Group." The Astrophysical Journal, 842 84. https://doi.org/10.3847/1538-4357/aa756c.
The Role of Electron Excitation and Nature of Molecular Gas in Cluster Central Elliptical GalaxiesDOI: info:10.3847/1538-4357/aa9275v. 85031
Lim, Jeremy, Dinh-V-Trung, Vrtilek, Jan, David, Laurence P., and Forman, William. 2017. "The Role of Electron Excitation and Nature of Molecular Gas in Cluster Central Elliptical Galaxies." The Astrophysical Journal, 850 31. https://doi.org/10.3847/1538-4357/aa9275.
The Complete Local Volume Groups Sample - I. Sample selection and X-ray properties of the high-richness subsampleDOI: info:10.1093/mnras/stx2078v. 4721482–1505
O'Sullivan, Ewan, Ponman, Trevor J., Kolokythas, Konstantinos, Raychaudhury, Somak, Babul, Arif, Vrtilek, Jan M., David, Laurence P., Giacintucci, Simona, Gitti, Myriam, and Haines, Chris P. 2017. "The Complete Local Volume Groups Sample - I. Sample selection and X-ray properties of the high-richness subsample." Monthly Notices of the Royal Astronomical Society, 472 1482–1505. https://doi.org/10.1093/mnras/stx2078.
Schellenberger, G., Vrtilek, J. M., David, L., O'Sullivan, E., Giacintucci, S., Johnston-Hollitt, M., Duchesne, S. W., and Raychaudhury, S. 2017. "NGC 741—Mergers and AGN Feedback on a Galaxy-group Scale." The Astrophysical Journal, 845 84. https://doi.org/10.3847/1538-4357/aa7f2e.
Tomography of X-ray Nova Muscae 1991: evidence for ongoing mass transfer and stream-disc overflowDOI: info:10.1093/mnras/stv407v. 4491584–1592
Peris, Charith S., Vrtilek, Saeqa D., Steiner, James F., Vrtilek, Jan M., Wu, Jianfeng, McClintock, Jeffrey E., Longa-Peña, Penelope, Steeghs, Danny, Callanan, Paul, Ho, Luis C., Orosz, Jerome A., and Reynolds, Mark T. 2015. "Tomography of X-ray Nova Muscae 1991: evidence for ongoing mass transfer and stream-disc overflow." Monthly Notices of the Royal Astronomical Society, 449 1584–1592. https://doi.org/10.1093/mnras/stv407.
Chandra and XMM-Newton Observations of the Merging Cluster of Galaxies PLCK G036.7+14.9DOI: info:10.1088/0004-637X/804/2/129v. 804129
Zhang, B., David, L. P., Jones, C., Andrade-Santos, F., O'Sullivan, E., Dahle, H., Nulsen, P. E. J., Clarke, T. E., Pointecouteau, E., Pratt, G. W., Arnaud, M., Vrtilek, J. M., Ji, L., van Weeren, R. J., Kraft, R. P., and Kong, X. 2015. "Chandra and XMM-Newton Observations of the Merging Cluster of Galaxies PLCK G036.7+14.9." The Astrophysical Journal, 804 129. https://doi.org/10.1088/0004-637X/804/2/129.
Molecular Gas in the X-Ray Bright Group NGC 5044 as Revealed by ALMADOI: info:10.1088/0004-637X/792/2/94v. 79294
David, Laurence P., Lim, Jeremy, Forman, William, Vrtilek, Jan, Combes, Francoise, Salome, Philippe, Edge, Alastair, Hamer, Stephen, Jones, Christine, Sun, Ming, O'Sullivan, Ewan J., Gastaldello, Fabio, Bardelli, Sandro, Temi, Pasquale, Schmitt, Henrique, Ohyama, Youichi, Mathews, William, Brighenti, Fabrizio, Giacintucci, Simona, and Trung, Dinh-V. 2014. "Molecular Gas in the X-Ray Bright Group NGC 5044 as Revealed by ALMA." The Astrophysical Journal, 792 94. https://doi.org/10.1088/0004-637X/792/2/94.
The impact of sloshing on the intragroup medium and old radio lobe of NGC 5044DOI: info:10.1093/mnras/stt1926v. 437730–739
O'Sullivan, Ewan J., David, Laurence P., and Vrtilek, Jan M. 2014. "The impact of sloshing on the intragroup medium and old radio lobe of NGC 5044." Monthly Notices of the Royal Astronomical Society, 437 730–739. https://doi.org/10.1093/mnras/stt1926.
Deep Chandra Observations of HCG 16. II. The Development of the Intra-group Medium in a Spiral-rich GroupDOI: info:10.1088/0004-637X/793/2/74v. 79374
O'Sullivan, Ewan J., Vrtilek, J. M., David, L. P., Giacintucci, S., Zezas, Andreas, Ponman, T. J., Mamon, G. A., Nulsen, P., and Raychaudhury, S. 2014. "Deep Chandra Observations of HCG 16. II. The Development of the Intra-group Medium in a Spiral-rich Group." The Astrophysical Journal, 793 74. https://doi.org/10.1088/0004-637X/793/2/74.
Deep Chandra Observations of HCG 16. I. Active Nuclei, Star Formation, and Galactic WindsDOI: info:10.1088/0004-637X/793/2/73v. 79373
O'Sullivan, Ewan J., Zezas, Andreas, Vrtilek, J. M., Giacintucci, S., Trevisan, M., David, L. P., Ponman, T. J., Mamon, G. A., and Raychaudhury, S. 2014. "Deep Chandra Observations of HCG 16. I. Active Nuclei, Star Formation, and Galactic Winds." The Astrophysical Journal, 793 73. https://doi.org/10.1088/0004-637X/793/2/73.
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