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pro vyhledávání: '"Maksym, Peter W."'
Autor:
Nabizadeh, Armin, Zackrisson, Erik, Pacucci, Fabio, Maksym, Peter W., Li, Weihui, Civano, Francesca, Cohen, Seth H., D'Silva, Jordan C. J., Koekemoer, Anton M., Summers, Jake, Windhorst, Rogier A., Adams, Nathan, Conselice, Christopher J., Coe, Dan, Driver, Simon P., Frye, Brenda, Grogin, Norman A., Jansen, Rolf A., Marshall, Madeline A., Nonino, Mario, Pirzkal, Nor, Robotham, Aaron, Rutkowski, Michael J., Ryan, Jr., Russell E., Tompkins, Scott, Willmer, Christopher N. A., Yan, Haojing, Diego, Jose M., Cheng, Cheng, Finkelstein, Steven L., Willner, S. P., Zitrin, Adi, Bhatawdekar, Rachana, Gim, Hansung B.
Direct-collapse black holes (DCBHs) of mass $\sim 10^4$-$10^5 {M}_\odot$ that form in HI-cooling halos in the early Universe are promising progenitors of the $\gtrsim 10^9 {M}_\odot$ supermassive black holes that fuel observed $z \gtrsim 7$ quasars.
Externí odkaz:
http://arxiv.org/abs/2308.07260
Autor:
Lin, Dacheng, Maksym, Peter W., Irwin, Jimmy A., Komossa, S., Webb, Natalie A., Godet, Olivier, Barret, Didier, Grupe, Dirk, Gwyn, Stephen D. J.
We report on the discovery of an ultrasoft X-ray transient source, 3XMM J152130.7+074916. It was serendipitously detected in an XMM-Newton observation on 2000 August 23, and its location is consistent with the center of the galaxy SDSS J152130.72+074
Externí odkaz:
http://arxiv.org/abs/1509.00840