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Lenticular galaxy in the constrellation Hydrus From Wikipedia, the free encyclopedia
NGC 813 is a lenticular galaxy in the constellation Hydrus. It is estimated to be 390 million light-years from the Milky Way[3] and has a diameter of approximately 140,000 ly. NGC 813 was discovered on November 24, 1834, by the British astronomer John Herschel.[4][5]
NGC 813 | |
---|---|
Observation data (J2000 epoch) | |
Constellation | Hydrus |
Right ascension | 02h 01m 36.113s[1] |
Declination | −68° 26′ 20.99″[1] |
Redshift | 0.027219[2] |
Heliocentric radial velocity | 8049 km/s[2] |
Distance | 386.5 ± 27.1 Mly (118.50 ± 8.30 Mpc)[3] |
Apparent magnitude (B) | 13.84[2] |
Characteristics | |
Type | SAB(r)0/a:[3] |
Other designations | |
PGC 7692[2] |
One supernova, SN 2020abzv (type Ia, mag. 16.6), was discovered in NGC 813 on 9 December, 2020.[6]
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