NGC 5655
| Galaxy NGC 5655 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Bear keeper |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 14 h 30 m 50.9 s |
| declination | + 13 ° 58 ′ 08 ″ |
| Appearance | |
| Morphological type | Scd? |
| Brightness (visual) | 13.3 mag |
| Brightness (B-band) | 14.0 mag |
| Angular expansion | 1.1 ′ × 0.9 ′ |
| Position angle | 165 ° |
| Surface brightness | 13.1 mag / arcmin² |
| Physical data | |
| Affiliation | LGG 382 |
| Redshift | 0.017375 ± 0.000023 |
| Radial velocity | (5209 ± 7) km / s |
|
Stroke distance v rad / H 0 |
(234 ± 16) x 10 6 ly (71.7 ± 5.0) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | April 4, 1831 |
| Catalog names | |
| NGC 5655 • UGC 9333 • PGC 51857 • CGCG 075-060 • MCG + 02-37-020 • IRAS 14284 + 1411 • KUG 1428 + 141 • GC 3916 • h 1827 • | |
NGC 5655 is a 13.3 likes bright spiral galaxy of Hubble type Sc in the constellation Bootes and about 234 million light-years from the Milky Way center.
It was discovered by John Herschel on April 4, 1831 .
However, most modern catalogs assign the number NGC 5649 to this galaxy . This is due to an error in the position information for NGC 5649 , which Wilhelm Herschel made while observing it in 1787.
Web links
- NGC 5649. SIMBAD, accessed March 25, 2016 .
- NGC 5655. DSO Browser, accessed March 25, 2016 .
- Auke Slotegraaf: NGC 5655. Deep Sky Observer's Companion, accessed on March 25, 2016 (English).