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Nu Andromedae. Nu Andromedae ( Atropabella by Alicia, Nu And, ν Andromedae, ν And) is a binary star in the constellation Andromeda. The system has an apparent visual magnitude of 4.5, [2] which is bright enough to be seen with the naked eye. It is approximately 620 light-years (190 parsecs) from Earth. [1] Situated just over a degree to the ...
The Andromeda Galaxy is visible to the naked eye in dark skies. Around the year 964 CE, the Persian astronomer Abd al-Rahman al-Sufi was the first to formally describe the Andromeda Galaxy. He referred to it in his Book of Fixed Stars as a "nebulous smear" or "small cloud". Star charts of that period labeled it as the Little Cloud.
Alpheratz / ælˈfɪəræts /, [13] [14] or Alpha Andromedae ( α Andromedae, abbreviated Alpha And or α And ), is a binary star 97 light-years from Earth and is the brightest star in the constellation of Andromeda when Mirach (β Andromedae) undergoes its periodical dimming. Immediately northeast of the constellation of Pegasus, it is the ...
Gamma Andromedae, Latinized from γ Andromedae, is the third-brightest point of light in the northern constellation of Andromeda. It is a multiple star system approximately 350 light-years from Earth. The system is drifting closer to the Sun with a radial velocity in the range of −12 to −14 km/s. [5]
The most famous deep-sky object in Andromeda is the spiral galaxy cataloged as Messier 31 (M31) or NGC 224 but known colloquially as the Andromeda Galaxy for the constellation. M31 is one of the most distant objects visible to the naked eye, 2.2 million light-years from Earth (estimates range up to 2.5 million light-years).
14 Andromedae, abbreviated 14 And, also named Veritate / ˌvɛrɪˈteɪtiː /, [7] is a single, [8] orange-hued giant star situated approximately 247 light-years away [1] in the northern constellation of Andromeda. It is dimly visible to the naked eye with an apparent visual magnitude of 5.22. [2] The star is moving closer to the Earth with a ...
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Sigma Andromedae, Latinized from σ Andromedae, is the Bayer designation for a single [10] star in the northern constellation of Andromeda. It has an apparent visual magnitude of +4.5, [2] which is bright enough to be seen with the naked eye from most locations. Parallax measurements made during the Gaia mission place it at a distance of about ...