Astronomy:NGC 87
From HandWiki
| NGC 87 | |
|---|---|
NGC 87 (upper right) surrounded by the other galaxies in Robert's Quartet | |
| Observation data (J2000 epoch) | |
| Constellation | Phoenix |
| Right ascension | 00h 21m 14.2133s[1] |
| Declination | −48° 37′ 42.81″[1] |
| Redshift | 0.011391[1] |
| Helio radial velocity | 3415 ± 23 km/s[1] |
| Distance | 154.7 ± 11.0 Mly (47.44 ± 3.36 Mpc)[1] |
| Apparent magnitude (V) | 14.1 |
| Characteristics | |
| Type | IBm pec[1] |
| Size | ~51,500 ly (15.80 kpc) (estimated)[1] |
| Apparent size (V) | 0.9′ × 0.7′ |
| Other designations | |
| ESO 194-G008, PGC 1357 | |
NGC 87 is a diffuse, highly disorganized barred irregular galaxy, part of Robert's Quartet, a group of four interacting galaxies.
One supernova has been observed in NGC 87: SN 1994Z (type II, mag. 14.6) was discovered Alexander Wassilieff on 2 October 1994.[2][3]
See also
References
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 "NED results for object NGC 0087". National Aeronautics and Space Administration / Infrared Processing and Analysis Center. https://ned.ipac.caltech.edu/byname?objname=NGC+0087.
- ↑ Wassilieff, A.; Williams, G. V.; Phillips, M. M.; Maza, J.; Gomez, X.; Benetti, S.; Hasinger, G. (1994). "Supernova 1994Z in NGC 87". International Astronomical Union Circular (6087): 1. Bibcode: 1994IAUC.6087....1W.
- ↑ "SN 1994Z". IAU. https://www.wis-tns.org/object/1994Z.
External links
- NGC 87
- http://www.astro.pef.zcu.cz/
- NGC 87 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
