NGC 1187
| Galaxy NGC 1187 |
|
|---|---|
|
|
| Image of the Very Large Telescope | |
| AladinLite | |
| Constellation | Eridanus |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 03 h 02 m 37.6 s |
| declination | -22 ° 52 ′ 02 ″ |
| Appearance | |
| Morphological type | SB (r) c |
| Brightness (visual) | 10.6 mag |
| Brightness (B-band) | 11.3 mag |
| Angular expansion | 4.2 ′ × 3.2 ′ |
| Position angle | 130 ° |
| Surface brightness | 13.3 mag / arcmin² |
| Physical data | |
| Affiliation | Eridanus heap |
| Redshift | 0.004637 ± 0.000010 |
| Radial velocity | 1390 ± 3 km / s |
|
Stroke distance v rad / H 0 |
(60 ± 4) · 10 6 ly (18.3 ± 1.3) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | December 9, 1784 |
| Catalog names | |
| NGC 1187 • UGCA 49 • PGC 11479 • ESO 480-23 • MCG -04-08-16 • IRAS 03003-2303 • 2MASX J03023758-2252017 • SGC 030024-2303.8 • GC 640 • H III 245 • h 2504 • AM 0300- 230 • HIPASS J0302-22LDCE • 0251 NED001 | |
NGC 1187 is a barred spiral galaxy of the Hubble type SB (r) c in the constellation Eridanus south of the celestial equator . It is estimated to be 60 million light years away from the Milky Way and has a disk diameter of around 100,000 ly. With PGC 11469, it has a companion galaxy measuring around 25,000 ly .
In the past 30 years, astronomers have observed two supernova explosions in this galaxy: in October 1982 SN 1982R , in 2007 SN 2007Y .
The object was discovered on December 9, 1784 by the German-British astronomer William Herschel .
Web links
Commons : NGC 1187 - collection of images, videos, and audio files
- NOAO
- SIMBAD database
- ESO: A blue vortex in the Eridanus River (+ photos, map & animation) August 1st, 2012
- astronews.com: A barred spiral galaxy in the river August 1, 2012
- astronews.com: Picture of the day March 8, 2013