Andromeda IV

Andromeda IV
Andromeda IV just about 30″ to the right from TYC 2801-551-1 star (mag: 10.3); HST
Observation data (J2000 epoch)
Constellation	Andromeda
Right ascension	00h 42m 32.3s[1]
Declination	+40° 34′ 19″[1]
Redshift	256 ± 9 km/s[1]
Type	Dwarf irregular[1]
Apparent dimensions (V)	1′.3 × 1′.0[1]
Apparent magnitude (V)	16.6B[1]
Other designations
And IV,[1] PGC 2544[1]
See also: Galaxy, List of galaxies

Coordinates: 00^h 42^m 32.3^s, +40° 34′ 19″ Andromeda IV (And IV) might be an irregular satellite of the Andromeda Galaxy; however it is more probably not a galaxy at all, but a loosely bound star cluster or some other background feature.^{[citation needed]}

History

It was discovered by Sidney van den Bergh.^[2]

References

• Andromeda IV on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images

v t e Andromeda Galaxy Location Andromeda Galaxy→Andromeda subgroup → Local Group → Virgo Supercluster → Pisces–Cetus Supercluster Complex → Observable universe → Universe Each arrow (→) may be read as "within" or "part of". Satellite galaxies M32 M110 NGC 185 NGC 147 Andromeda I Andromeda II Andromeda III Andromeda IV* Andromeda V Andromeda VI Andromeda VII Andromeda VIII Andromeda IX Andromeda X Andromeda XI Andromeda XII Andromeda XIII Andromeda XIV Andromeda XV Andromeda XVI Andromeda XVII Andromeda XVIII Andromeda XIX Andromeda XX Andromeda XXI Andromeda XXII Andromeda XXIII Andromeda XXIV Andromeda XXV Andromeda XXVI Andromeda XXVII Andromeda XXVIII Andromeda XXIX Triangulum Galaxy* *It is uncertain whether the Triangulum Galaxy is a companion galaxy of the Andromeda Galaxy Other Andromeda–Milky Way collision S Andromedae Mayall II NGC 206 AE Andromedae