NGC 949
| Galaxy NGC 949 |
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|---|---|
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| Photo from the Hubble Space Telescope | |
| AladinLite | |
| Constellation | triangle |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 02 h 30 m 48.6 s |
| declination | + 37 ° 08 ′ 12 ″ |
| Appearance | |
| Morphological type | SA (rs) b: |
| Brightness (visual) | 11.6 mag |
| Brightness (B-band) | 12.4 mag |
| Angular expansion | 3.0 ′ × 1.6 ′ |
| Position angle | 148 ° |
| Surface brightness | 13.2 mag / arcmin² |
| Physical data | |
| Affiliation | NGC 1023 group |
| Redshift | 0.002031 ± 0.000007 |
| Radial velocity | 609 ± 2 km / s |
|
Stroke distance v rad / H 0 |
(32 ± 2) x 10 6 ly (9.95 ± 0.70) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | September 21, 1786 |
| Catalog names | |
| NGC 949 • UGC 1983 • PGC 9566 • CGCG 523-053 • MCG + 06-06-048 • IRAS 02277 + 3654 • KUG 0227 + 369 • 2MASX J02304865 + 3708124 • GC 549 • H I 154 • h 226 • NVSS J023048 + 370811 • LDCE 160 NED008 | |
NGC 949 is a spiral dwarf galaxy of the Hubble type Sb in the constellation Triangle in the northern sky . It is estimated to be 32 million light years from the Milky Way and about 25,000 light years in diameter.
Together with u. a. the galaxies NGC 891 , NGC 925 , NGC 959 , NGC 1003 , NGC 1023 , NGC 1058 and IC 239 it forms the NGC 1023 group .
The object was discovered on September 21, 1786 by the astronomer William Herschel .
Web links
Commons : NGC 949 - collection of images, videos, and audio files
- SIMBAD Astronomical Database
- astronews.com: Picture of the day May 6, 2015