NGC 1156
Galaxy data from NGC 1156 |
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Photo from the Hubble Space Telescope | |
AladinLite | |
Constellation | Aries |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 02 h 59 m 42.3 s |
declination | + 25 ° 14 ′ 16 ″ |
Appearance | |
Morphological type | IB (s) m / HII |
Brightness (visual) | 11.7 mag |
Brightness (B-band) | 12.3 mag |
Angular expansion | 2.6 ′ × 1.7 ′ |
Position angle | 34 ° |
Surface brightness | 13.2 mag / arcmin² |
Physical data | |
Redshift | 0.001251 ± 0.000005 |
Radial velocity | +375 ± 1 km / s |
Stroke distance v rad / H 0 |
(20 ± 1) x 10 6 ly (6.11 ± 0.43) Mpc |
history | |
discovery | William Herschel |
Discovery date | November 13, 1786 |
Catalog names | |
NGC 1156 • UGC 2455 • PGC 11329 • CGCG 485-006 • MCG + 04-08-06 • IRAS 02567 + 2502 • 2MASX J02594283 + 2514282 • VV 531 • GC 627 • H II 619 • HIPASS J0259 + 25 • KARA 121 • LDCE 0160 NED015 |
NGC 1156 is an irregular dwarf galaxy with extensive star formation regions of the Hubble type IBm in the constellation Aries on the ecliptic . It is estimated to be 20 million light years from the Milky Way and about 13,000 light years in diameter.
The object was discovered on November 13, 1786 by the German-British astronomer William Herschel .
The galaxy NGC 1156 imaged by GALEX
Web links
Commons : NGC 1156 - collection of images, videos, and audio files
- SIMBAD Astronomical Database
- astronews.com: Picture of the day July 11, 2019