NGC 5781
| Galaxy NGC 5781 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Libra |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 14 h 46 m 51.2 s |
| declination | -17 ° 14 ′ 38 ″ |
| Appearance | |
| Morphological type | (R ') SBb pec sp |
| Brightness (visual) | 13.7 mag |
| Brightness (B-band) | 14.5 mag |
| Angular expansion | 1.4 ′ × 0.8 ′ |
| Position angle | 25 ° |
| Surface brightness | 13.7 mag / arcmin² |
| Physical data | |
| Redshift | 0.006361 ± 0.000010 |
| Radial velocity | (1907 ± 3) km / s |
|
Stroke distance v rad / H 0 |
(83 ± 6) · 10 6 ly (25.4 ± 1.8) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | May 11, 1831 |
| Catalog names | |
| NGC 5781 • PGC 53417 • MCG -03-38-28 • IRAS 14539-1702 • SGC 145353-1702.5 • GC 4007 • h 1886 • LDCE 1084 NED003 | |
NGC 5781 is a 13.7 mag bright barred spiral galaxy of the Hubble type SBb in the constellation Libra and about 83 million light years from the Milky Way.
It was discovered by John Herschel on May 11, 1831 .
Web links
- NGC 5781. SIMBAD, accessed April 21, 2016 .
- NGC 5781. DSO Browser, accessed April 21, 2016 .
- Auke Slotegraaf: NGC 5781. Deep Sky Observer's Companion, accessed on April 21, 2016 (English).