NGC 1187
Galaxy NGC 1187 |
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Image of the Very Large Telescope | |
AladinLite | |
Constellation | Eridanus |
Position equinox : J2000.0 , epoch : J2000.0 |
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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