| Messier 90 | |
|---|---|
 Messier 90 taken by Hubble | |
| Observation data (J2000 epoch) | |
| Constellation | Virgo[1] |
| Right ascension | 12h 36m 49.8s[2] |
| Declination | +13° 09′ 46″[2] |
| Redshift | −0.000784±0.000013[2] |
| Heliocentric radial velocity | −235±4 km/s[2] |
| Galactocentric velocity | −282±4 km/s[2] |
| Distance | 58.7 ± 2.8 Mly (18.00 ± 0.86 Mpc) |
| Apparent magnitude (V) | 9.5[3] |
| Characteristics | |
| Type | SAB(rs)ab,[2] LINER,[2] Sy[2] |
| Apparent size (V) | 9.5 × 4.4 moa[2] |
| Other designations | |
| NGC 4569,[2] UGC 7786,[2] PGC 42089,[2] Arp 76[2] | |
References: SIMBAD: Search M90 | |
Messier 90 (also known as M90 and NGC 4569) is an intermediate spiral galaxy exhibiting a weak inner ring structure about 60 million light-years away[a] in the constellation Virgo. It was discovered by Charles Messier in 1781.[4]
- ^ R. W. Sinnott, ed. (1988). The Complete New General Catalogue and Index Catalogue of Nebulae and Star Clusters by J. L. E. Dreyer. Sky Publishing Corporation/Cambridge University Press. ISBN 978-0-933346-51-2.
- ^ a b c d e f g h i j k l m "NASA/IPAC Extragalactic Database". Results for NGC 4569. Retrieved 1 February 2006.
- ^ "Messier 90". SEDS Messier Catalog. Retrieved 30 April 2022.
- ^ K. G. Jones (1991). Messier's Nebulae and Star Clusters (2nd ed.). Cambridge University Press. ISBN 978-0-521-37079-0.