Messier 110

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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]
Characteristics
Type E5 pec[3]
Astrometry
Heliocentric 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 (824.76 ± 27.59 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 'The Edward Young Star' 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]

History

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]

A few novae have been detected in this galaxy. Notably one discovered in 1999 by Johnson and Modjaz,[7] and another detected in 2002, by Nakano and Sumoto. The latter one, designated EQ J004015.8+414420, had also been captured in images taken by the SDSS (Sloan Digital Sky Survey) in October, 2002. [8]

Unlike M32, NGC205 does not show evidence for a supermassive black hole at its center.[9]

See also

References

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External links

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