Messier Index/M108
| Messier 108 | |
|---|---|
 | |
| Observation data (w:J2000 epoch) | |
| Constellation | w:Ursa Major[1] |
| Right ascension | 11h 11m 31.0s[2] |
| Declination | +55° 40′ 27″[2] |
| Redshift | 699 ± 9 km/s[2] |
| Distance | 14.1 Mpc[3] |
| Type | SB(s)cd[2] |
| Apparent dimensions (V) | 8′.7 × 2′.2[2] |
| Apparent magnitude (V) | 10.7[2] |
| Other designations | |
| NGC 3556,[2] PGC 34030,[2] UGC 6225[2] | |
Messier 108 (also known as NGC 3556) is an edge-on w:spiral galaxy in the w:constellation Ursa Major. It was discovered by w:Pierre Méchain in 1781 or 1782.[4]
External links
References
- ↑ R. W. Sinnott, editor (1988). The Complete New General Catalogue and Index Catalogue of Nebulae and Star Clusters by J. L. E. Dreyer. Sky Publishing Corporation and Cambridge University Press. ISBN 0-933-34651-4.
{{cite book}}:|author=has generic name (help) - ↑ a b c d e f g h i "NASA/IPAC Extragalactic Database". Results for NGC 3556. Retrieved 2007-06-21.
- ↑ Q. Daniel Wang et al., [http://arxiv.org/abs/astro-ph/0308150v1 Chandra Observation of the Edge-on Galaxy NGC 3556 (M 108): Violent Galactic Disk-halo Interaction Revealed]
- ↑ Kepple, George Robert (1998). The Night Sky Observer's Guide, Volume 2. Willmann-Bell, Inc. p. 399. ISBN 0-943396-60-3.
{{cite book}}: Unknown parameter|coauthors=ignored (|author=suggested) (help)