NGC 5957
| Galaxy NGC 5957 |
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![NGC 5957 [1] SDSS image](https://de.wikipedia.org/wiki/Datei:NGC5957_-_SDSS_DR14.jpg)
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| NGC 5957 SDSS image | |
| AladinLite | |
| Constellation | Snake |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 15 h 35 m 23.214 s |
| declination | + 12 ° 02 ′ 51.36 ″ |
| Appearance | |
| Morphological type | (R ') SAB (r) b / LINER |
| Brightness (visual) | 12.1 mag |
| Brightness (B-band) | 12.9 mag |
| Angular expansion | 2.8 ′ × 2.6 ′ |
| Position angle | 90 ° |
| Surface brightness | 14.1 mag / arcmin² |
| Physical data | |
| Affiliation | NGC 5970 group LGG 401 |
| Redshift | 0.006094 ± 0.000013 |
| Radial velocity | (1827 ± 4) km / s |
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Stroke distance v rad / H 0 |
(84 ± 6) · 10 6 ly (25.9 ± 1.8) Mpc |
| history | |
| discovery | Heinrich d'Arrest |
| Discovery date | April 29, 1865 |
| Catalog names | |
| NGC 5957 • UGC 9915 • PGC 55520 • CGCG 078-018 • MCG + 02-40-004 • IRAS 15330 + 1212 • 2MASX J15352323 + 1202510 • GC 5783 • WISEA J153523.23 + 120251.2 • NVSS J153524 + 120308 • LDCE 1138 NED002 | |
NGC 5957 is a 12.1 likes bright barred spiral galaxy of Hubble type SBb with active galactic nucleus in the constellation Serpens north of the ecliptic . It is an estimated 84 million light years from the Milky Way and about 70,000 light years in diameter. Together with three other galaxies, it is considered a member of the NGC 5970 group ( LGG 401 ).
In the same area of the sky are u. a. the galaxies NGC 5956 , NGC 5970 , IC 1131 .
The object was discovered on April 29, 1865 by Heinrich Louis d'Arrest .
Web links
- NGC 5957. SIMBAD , accessed May 18, 2019 .
- NGC 5957. DSO Browser, accessed May 18, 2016 .
- Auke Slotegraaf : NGC 5957. Deep Sky Observer's Companion, accessed on May 18, 2016 (English).