Messier 90

Messier 90
Messier 90 taken by Hubble
Observation data (J2000 epoch)
ConstellationVirgo[1]
Right ascension12h 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]
Distance58.7 ± 2.8 Mly (18.00 ± 0.86 Mpc)
Apparent magnitude (V)9.5[3]
Characteristics
TypeSAB(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]

  1. ^ 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.
  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.
  3. ^ "Messier 90". SEDS Messier Catalog. Retrieved 30 April 2022.
  4. ^ K. G. Jones (1991). Messier's Nebulae and Star Clusters (2nd ed.). Cambridge University Press. ISBN 978-0-521-37079-0.