NGC 5831
| Galaxy NGC 5831 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | Virgin |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 15 h 04 m 07.0 s |
| declination | + 01 ° 13 ′ 12 ″ |
| Appearance | |
| Morphological type | E3 / BLLAC |
| Brightness (visual) | 11.5 likes |
| Brightness (B-band) | 12.5 mag |
| Angular expansion | 2.1 ′ × 1.9 ′ |
| Position angle | 55 ° |
| Surface brightness | 13.1 mag / arcmin² |
| Physical data | |
| Affiliation | LGG 393 |
| Redshift | 0.005524 ± 0.000014 |
| Radial velocity | (1656 ± 4) km / s |
|
Stroke distance v rad / H 0 |
(74 ± 5) · 10 6 ly (22.8 ± 1.6) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | February 24, 1786 |
| Catalog names | |
| NGC 5831 • UGC 9678 • PGC 53770 • CGCG 020-054 • MCG + 00-38-020 • 2MASX J15040702 + 0113117 • GC 4033 • H II 540 • h 1899 • LDCE 1076 NED036 | |
NGC 5831 is a 11.5 likes bright elliptical galaxy from the Hubble type E3 in the constellation Virgo. It is estimated to be 74 million light-years away from the Milky Way and has a diameter of about 45,000 ly. a. the galaxies NGC 5814 , NGC 5839 , NGC 5845 , NGC 5846 .
The object was discovered on February 24, 1786 by Wilhelm Herschel with an 18.7-inch reflector telescope, who described it as “pB, S, mbM”.