NGC 5657
| Galaxy NGC 5657 |
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|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | Bear keeper |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 14 h 30 m 43.6 s |
| declination | + 29 ° 10 ′ 51 ″ |
| Appearance | |
| Morphological type | SBb / Sbrst |
| Brightness (visual) | 13.4 mag |
| Brightness (B-band) | 14.2 mag |
| Angular expansion | 1.8 ′ × 0.8 ′ |
| Position angle | 163 ° |
| Surface brightness | 13.6 mag / arcmin² |
| Physical data | |
| Affiliation | LGG 383 |
| Redshift | 0.013029 ± 0.000030 |
| Radial velocity | (3906 ± 9) km / s |
|
Stroke distance v rad / H 0 |
(178 ± 12) · 10 6 ly (54.5 ± 3.8) Mpc |
| history | |
| discovery | Truman Safford |
| Discovery date | May 14, 1866 |
| Catalog names | |
| NGC 5657 • UGC 9335 • PGC 51850 • CGCG 163-069 • MCG + 05-34-60 • IRAS 14285 + 2924 • Mrk 814 • LDCE 1061 NED013 | |
NGC 5657 is a 13.4 mag bar -spiral-shaped radio galaxy of the Hubble type SBb in the constellation Bear Guardian and about 178 million light years from the Milky Way.
It was discovered by Truman Safford on May 14, 1866 .
Web links
- NGC 5657. SIMBAD, accessed March 25, 2016 .
- NGC 5657. DSO Browser, accessed March 25, 2016 .
- Auke Slotegraaf: NGC 5657. Deep Sky Observer's Companion, accessed on March 25, 2016 (English).