Messier 110

Messier 110[1]
Messier object 110.jpg
M 110
credit: Atlas Image 2MASS/UMass/IPAC-Caltech/NASA/NSF.
Observation data
Epoch J2000
Constellation Andromeda[2]
Right ascension 00h 40m 22.1s[3]
Declination +41° 41′ 07″[3]
Apparent dimension (V) 21.9 × 11.0 moa[3]
Apparent magnitude (V) 8.92[3]
Type E5 pec[3]
Helio Radial velocity -241 ± 3[3]km/s
Redshift -0.000804 ± 0.000010[3]
Galactocentric Velocity -62 ± 8[3] km/s
Distance 2,690 ± 90 kly (820 ± 28 kpc)
Other designations
NGC 0205,[3] PGC 002429,[3] MCG +07-02-014,[3] IRAS 00376+4124,[3] LEDA 2429
Database references
SIMBAD Search M110 data
See also: Galaxy, List of galaxies

Messier 110 (also known as M110 and NGC 205) is a dwarf elliptical galaxy that is a satellite of the Andromeda Galaxy.[4] M110 contains some dust and hints of recent star formation, which is unusual for dwarf elliptical galaxies in general.[4]



Although Charles Messier never included the galaxy in his famous list, it was depicted by him, together with M32, on a drawing of the Andromeda galaxy; a label on the drawing indicates that Messier first observed NGC 205 on August 10, 1773.[5] The galaxy was independently discovered by Caroline Herschel on August 27, 1783; her brother William Herschel described her discovery in 1785.[5] The suggestion to assign the galaxy a Messier number was made by Kenneth Glyn Jones in 1967.[6]

In 1999, Johnson and Modjaz discovered a nova in M110.[7]

Unlike M32, NGC205 does not show evidence for a supermassive black hole at its center.[8]

See also


  1. ^ A.W. McConnachie, M.J. Irwin, A.M.N. Ferguson, R.A. Ibata, G.F. Lewis, N. Tanvir (2005). "Distances and metallicities for 17 Local Group galaxies". Monthly Notices of the Royal Astronomical Society 356 (4): 979–997. arXiv:astro-ph/0410489. Bibcode 2005MNRAS.356..979M. doi:10.1111/j.1365-2966.2004.08514.x. 
  2. ^ J.L.E. Dreyer, R.W. Sinnott (1988). R.W. Sinnott. ed. NGC 2000.0: The Complete New General Catalogue and Index Catalogues of Nebulae and Star Clusters by J. L. E. Dreyer. Sky Publishing Corporation and Cambridge University Press. ISBN 0-933-34651-4. 
  3. ^ a b c d e f g h i j k l "NASA/IPAC Extragalactic Database". Results for NGC 205. Retrieved 2006-11-29. 
  4. ^ a b A. Sandage, J. Bedke (1994). Carnegie Atlas of Galaxies. Carnegie Institution of Washington. ISBN 0-87279-667-1. 
  5. ^ a b K.G. Jones (1991). Messier's Nebulae and Star Clusters (2nd ed.). Cambridge University Press. ISBN 0-521-37079-5. 
  6. ^ K.G. Jones (1967). "Some New Notes on Messier's Catalogue". Sky & Telescope 33: 156–158. Bibcode 1967S&T....33..156J. 
  7. ^ van den Bergh, S. (2000). "Updated Information on the Local Group". Publications of the Astronomical Society of the Pacific 112 (770): 529–536. arXiv:astro-ph/0001040. Bibcode 2000PASP..112..529V. doi:10.1086/316548. 
  8. ^ Valluri, M.; Ferrarese, L.; Merritt, D.; Joseph, C.J. (2005). "The Low End of the Supermassive Black Hole Mass Function: Constraining the Mass of a Nuclear Black Hole in NGC 205 via Stellar Kinematics". Astrophysical Journal 628 (1): 137–152. arXiv:astro-ph/0502493. Bibcode 2005ApJ...628..137V. doi:10.1086/430752. 

External links

Coordinates: Sky map 00h 40m 22.1s, +41° 41′ 07″

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