NGC 587
| Galaxy NGC 587 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | triangle |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 01 h 32 m 33.3 s |
| declination | + 35 ° 21 ′ 31 ″ |
| Appearance | |
| Morphological type | SAB (s) b |
| Brightness (visual) | 12.8 mag |
| Brightness (B-band) | 13.6 mag |
| Angular expansion | 2.2 ′ × 0.8 ′ |
| Position angle | 67 ° |
| Surface brightness | 13.3 mag / arcmin² |
| Physical data | |
| Affiliation | LGG 26 |
| Redshift | 0.015110 ± 0.000017 |
| Radial velocity | 4530 ± 5 km / s |
|
Stroke distance v rad / H 0 |
(209 ± 15) x 10 6 ly (64.0 ± 4.5) Mpc |
| history | |
| discovery | Heinrich Louis d'Arrest |
| Discovery date | August 27, 1862 |
| Catalog names | |
| NGC 587 • UGC 1100 • PGC 5746 • CGCG 521-045 • MCG + 06-04-037 • IRAS 01296 + 3506 • 2MASX J01323331 + 3521307 • GC 347 • GALEX ASC J013233.45 + 352132.1 • LDCE 74 NED089 | |
NGC 587 is a bar-spiral galaxy of the Hubble-type SAB (s) b in the constellation Triangle in the northern sky . It is estimated to be 209 million light years away from the Milky Way and has a diameter of about 130,000 ly.
In the same area of the sky is the galaxy NGC 591 .
The object was discovered on August 27, 1862 by the German-Danish astronomer Heinrich Louis d'Arrest .
Web links
- SIMBAD Astronomical Database
- Auke Slotegraaf: NGC 587. Deep Sky Observer's Companion, accessed on August 12, 2015 .