no code implementations • 22 Feb 2021 • C. T. Mpetha, C. A. Collins, N. Clerc, A. Finoguenov, J. A. Peacock, J. Comparat, D. Schneider, R. Capasso, S. Damsted, K. Furnell, A. Merloni, N. D. Padilla, A. Saro
Distributions of velocity offsets between galaxies and their host cluster's centre, found using observed redshifts, are created.
Cosmology and Nongalactic Astrophysics
no code implementations • 21 Jan 2021 • A. Malyali, A. Rau, A. Merloni, K. Nandra, J. Buchner, Z. Liu, S. Gezari, J. Sollerman, B. Shappee, B. Trakhtenbrot, I. Arcavi, C. Ricci, S. van Velzen, A. Goobar, S. Frederick, A. Kawka, L. Tartaglia, J. Burke, D. Hiramatsu, M. Schramm, D. van der Boom, G. Anderson, J. C. A. Miller-Jones, E. Bellm, A. Drake, D. Duev, C. Fremling, M. Graham, F. Masci, B. Rusholme, M. Soumagnac, R. Walters
We report on SRG/eROSITA, ZTF, ASAS-SN, Las Cumbres, NEOWISE-R, and Swift XRT/UVOT observations of the unique ongoing event AT 2019avd, located in the nucleus of a previously inactive galaxy at $z=0. 029$.
High Energy Astrophysical Phenomena
no code implementations • 15 Dec 2020 • T. H. Reiprich, A. Veronica, F. Pacaud, M. E. Ramos-Ceja, N. Ota, J. Sanders, M. Kara, T. Erben, M. Klein, J. Erler, J. Kerp, D. N. Hoang, M. Brüggen, J. Marvil, L. Rudnick, V. Biffi, K. Dolag, J. Aschersleben, K. Basu, H. Brunner, E. Bulbul, K. Dennerl, D. Eckert, M. Freyberg, E. Gatuzz, V. Ghirardini, F. Käfer, A. Merloni, K. Migkas, K. Nandra, P. Predehl, J. Robrade, M. Salvato, B. Whelan, A. Diaz-Ocampo, D. Hernandez-Lang, A. Zenteno, M. J. I. Brown, J. D. Collier, J. M. Diego, A. M. Hopkins, A. Kapinska, B. Koribalski, T. Mroczkowski, R. P. Norris, A. O'Brien, E. Vardoulaki
We used dedicated SRG/eROSITA X-ray, ASKAP/EMU radio, and DECam optical observations of a 15 sq. deg region around the interacting galaxy cluster system A3391/95 to study the warm-hot gas in cluster outskirts and filaments, the surrounding large-scale structure and its formation process.
Cosmology and Nongalactic Astrophysics High Energy Astrophysical Phenomena
no code implementations • 10 Dec 2020 • P. Predehl, R. A. Sunyaev, W. Becker, H. Brunner, R. Burenin, A. Bykov, A. Cherepashchuk, N. Chugai, E. Churazov, V. Doroshenko, N. Eismont, M. Freyberg, M. Gilfanov, F. Haberl, I. Khabibullin, R. Krivonos, C. Maitra, P. Medvedev, A. Merloni, K. Nandra, V. Nazarov, M. Pavlinsky, G. Ponti, J. S. Sanders, M. Sasaki, S. Sazonov, A. W. Strong, J. Wilms
The halo of the Milky Way provides a laboratory to study the properties of the shocked hot gas that is predicted by models of galaxy formation.
Astrophysics of Galaxies High Energy Astrophysical Phenomena
1 code implementation • 30 May 2017 • Mara Salvato, J. Buchner, T. Budavari, T. Dwelly, A. Merloni, M. Brusa, A. Rau, S. Fotopoulou, K. Nandra
We release the AllWISE counterparts and Gaia matches to 106, 573 and 17, 665 X-ray sources detected in the ROSAT 2RXS and XMMSL2 surveys with |b|>15.
Astrophysics of Galaxies High Energy Astrophysical Phenomena Instrumentation and Methods for Astrophysics
