NGC 2280
| Galaxy NGC 2280 |
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|---|---|
.jpg)
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| AladinLite | |
| Constellation | Big dog |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 06 h 44 m 49.1 s |
| declination | -27 ° 38 ′ 19 ″ |
| Appearance | |
| Morphological type | SA (s) cd / HII |
| Brightness (visual) | 10.5 mag |
| Brightness (B-band) | 11.2 mag |
| Angular expansion | 6.3 ′ × 3 ′ |
| Position angle | 163 ° |
| Surface brightness | 13.5 mag / arcmin² |
| Physical data | |
| Affiliation | NGC 2280 group LGG 138 |
| Redshift | 0.006334 ± 0.000010 |
| Radial velocity | 1899 ± 3 km / s |
|
Stroke distance v rad / H 0 |
(76 ± 5) · 10 6 ly (23.3 ± 1.6) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | February 1, 1837 |
| Catalog names | |
| NGC 2280 • PGC 19531 • ESO 427-002 • MCG -05-16-020 • IRAS 06428-2735 • 2MASX J06444911-2738189 • SGC 064250-2735.2 • HIPASS J0644-27 • LDCE 483 NED009 | |
NGC 2280 is a spiral galaxy with extensive star formation regions of the Hubble-type Sc in the constellation Great Dog south of the celestial equator . It is estimated to be 76 million light years from the Milky Way and about 150,000 light years in diameter.
Together with NGC 2292 , NGC 2293 , PGC 19201 and PGC 19589 , it forms the NGC 2280 group .
The type IIP supernova SN 2001fz was observed here.
The object was discovered on February 1st, 1837 by John Herschel .
NGC 2280 group ( LGG 138 )
| Galaxy | Alternative name | Distance / million Lj |
|---|---|---|
| NGC 2280 | PGC 19531 | 76 |
| NGC 2292 | PGC 19617 | 82 |
| NGC 2293 | PGC 19619 | 82 |
| PGC 19201 | ESO 490-010 | 73 |
| PGC 19589 | ESO 490-045 | 67 |
Web links
- SIMBAD Astronomical Database
- astronews.com: Picture of the day July 5, 2012