NGC 4845
NGC 4845 (also known as NGC 4910) is a spiral galaxy located in the constellation Virgo around 65 million light years away. The galaxy was originally discovered by William Herschel in 1786. It is a member of the NGC 4753 Group of galaxies, which is a member of the Virgo II Groups, a series of galaxies and galaxy clusters strung out from the southern edge of the Virgo Supercluster.
| NGC 4845 | |
|---|---|
NGC 4845 as seen by HST | |
| Observation data (J2000 epoch) | |
| Constellation | Virgo |
| Right ascension | 12h 58m 01.2s |
| Declination | 1° 34′ 33″ |
| Redshift | z=0.004110 (1232 km/s) |
| Distance | 65 Mly |
| Apparent magnitude (V) | 11.2 |
| Characteristics | |
| Type | Sab |
| Apparent size (V) | 4′.9 × 1′.3 |
| Other designations | |
| UGC 08087, 2MASX J12580124+0134320, NGC 4910, PGC 44392 | |
The galaxy has a supermassive black hole at its center with a mass of 300,000. In 2013, the ESA observed the black hole absorbing matter from a nearby, low-mass object; possibly a brown dwarf star. The observed X-ray flare was caught by the ESA's INTEGRAL telescope.
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