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2 Andromedae, abbreviated 2 And, is a binary star [4] system in the northern constellation of Andromeda. 2 Andromedae is the Flamsteed designation . It is a faint star system but visible to the naked eye with a combined apparent visual magnitude of 5.09. [ 3 ]
It is radiating 5.6 [2] times the Sun's luminosity from its photosphere at an effective temperature of about 6,605 K. [4] Within Andromeda it is the second of a northerly chain asterism – 7, 8, 11 are further south-westward, with 3 Andromedae in the other direction.
NGC 7686 is a moderately-sized open cluster in the constellation Andromeda, containing about 80 stars. [2] At magnitude 5.6, it is an easy target for binoculars and small telescopes. [3] According to Johnson et al. (1961), the "color-magnitude diagram shows merely a uniform scatter with no significant tendency to show a cluster main sequence ...
7 Andromedae (abbreviated 7 And) is a single, [9] yellow-white hued star in the northern constellation of Andromeda. 7 Andromedae is the Flamsteed designation.It is visible to the naked eye with an apparent visual magnitude of 4.52, [2] and is located 79.6 light years from Earth, based on an annual parallax shift of 41 mas. [1]
NGC 912 is a compact lenticular galaxy located in the constellation Andromeda about 197 million light years from the Milky Way. It was discovered by French astronomer Édouard Stephan in 1878. [5] [6] [7]
NGC 708 is an elliptical galaxy located 240 million light-years away [2] in the constellation Andromeda and was discovered by astronomer William Herschel on September 21, 1786. [3] It is classified as a cD galaxy [ 4 ] [ 5 ] and is the brightest member of Abell 262 .
NGC 169 is an unbarred spiral galaxy located in the constellation Andromeda. It was discovered on September 18, 1857, by R. J. Mitchell. [2] NGC 169 has a smaller companion named NGC 169A, also designated IC1559. The two are currently interacting, and the pair is included in Halton Arp's Atlas of Peculiar Galaxies. [3]
NGC 272 is an open cluster (rather an L-shaped asterism) located in the constellation Andromeda. It was discovered on August 2, 1864, by Heinrich d'Arrest. [2]