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51 Andromedae, abbreviated 51 And and formally named Nembus / ˈ n ɛ m b ə s /, [8] is the 5th brightest star in the northern constellation of Andromeda, very slightly dimmer than the Andromeda Galaxy also being of 4th magnitude. It is an orange K-type giant star with an apparent magnitude of +3.57 and is about 169 light-years from the Earth ...
NGC 51 is a lenticular galaxy in the constellation Andromeda. It has a diameter of 90,000 light-years. [3] The galaxy was discovered on September 7, 1885, by Lewis Swift, who described it as "Pretty faint, pretty small, round, brighter middle." [3] One supernova, SN 2016gxp (type Ia, mag. 18.6), was discovered in NGC 51 on October 5, 2016. [5]
51 And (Nembus [39]) was assigned by Johann Bayer to Perseus, where he designated it "Upsilon Persei (υ Per)", but it was moved to Andromeda by the International Astronomical Union. [45] It is 177 light-years from Earth and is an orange-hued giant star of type K3.
AF Andromedae (AF And) is a luminous blue variable (LBV), a type of variable star. The star is one of the most luminous variables in M31, the Andromeda Galaxy.
Alpha Andromedae is the brightest star in the constellation of Andromeda (right). α Andromedae (Latinised to Alpha Andromedae) is the star's Bayer designation. Ptolemy considered the star (system) to be shared by Pegasus and Johann Bayer assigned it a designation in both constellations: Alpha Andromedae (α And) and Delta Pegasi (δ Peg ...
Upsilon Andromedae (υ Andromedae, abbreviated Upsilon And, υ And) is a binary star located 44 light-years from Earth in the constellation of Andromeda.The system consists of an F-type main-sequence star (designated υ Andromedae A, officially named Titawin in the Amazigh language / t ɪ t ə ˈ w iː n /) and a smaller red dwarf.
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Upsilon Andromedae b (υ Andromedae b, abbreviated Upsilon And b, υ And b), formally named Saffar / ˈ s æ f ɑːr /, is an extrasolar planet approximately 44 light-years away from the Sun in the constellation of Andromeda. The planet orbits its host star, the F-type main-sequence star Upsilon Andromedae A, approximately every