Swift Observations of the Extremely Luminous Quasar SMSS J114447.77-430859.3
Abstract
Recent observations with the SkyMapper Southern Survey (SMSS) identified SMSS J114447.77-430859.3 as the optically brightest unbeamed quasar at z > 0.4, and the most luminous known quasar of the last nine billion years of cosmic history (Onken et al. 2022).
- Publication:
-
The Astronomer's Telegram
- Pub Date:
- June 2022
- Bibcode:
- 2022ATel15450....1M
- Keywords:
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- AGN;
- Black Hole