13h25m19.38s, −38° 24′ 52.61″
| IRAS 13224-3809 | |
|---|---|
| Observation data (J2000[1] epoch) | |
| Constellation | Centaurus[2] |
| Right ascension | 13h25m 19.38s[1] |
| Declination | −38° 24′ 52.61″[1] |
| Redshift | 0.06580 ± 0.00018 |
| Distance | 1 billion light-years[3] |
| Apparent magnitude (V) | 13.80[4] |
| Other designations | |
| 2MASX J13251937-3824524; 2MASS J13251937-3824526; GSC 07787-00931; IRAS F13224-3809; 1RXS J132519.4-382445; WISE J132519.39-382452.5; Gaia DR2 6162481890199388928[1] | |
IRAS 13224-3809 is a highly active and fluctuating Seyfert 1 galaxy in the constellation Centaurus[2] about 1 billion light-years from Earth.[3][5][6] The galaxy is notable due to its centrally-located supermassive black hole that is closely studied by astronomers using x-ray astronomy, particularly X-ray reverberation echo mapping techniques, in an effort to better understand the inner workings, including mass and spin, of black holes.[3][5]
Physics
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