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Alpheratz or Sirrah: α And: 21 And Mirach: β And: 43 And Almach or Alamak: γ And: 57 And Adhil: ξ And: 46 And υ And: 50 And Other objects; Common name Messier ...
Andromeda constellation. α Andromedae, labeled Sirrah, is at the lower right of the constellation, bordering Pegasus. The location of α Andromedae in the sky is shown on the left. It can be seen by the naked eye and is theoretically visible at all latitudes north of 60° S.
α And (Alpheratz, Sirrah) is the brightest star in this constellation. It is an A0p class [10] binary star with an overall apparent visual magnitude of 2.1 and a luminosity of 96 L ☉. [24] It is 97 light-years from Earth. [25]
Almach was the traditional name (also spelt as Almaach, Almaack, Almak, Almaak, or Alamak), derived from the Arabic العناق (al-‘anāq), [17] "the caracal" (desert lynx). [18] Another term for this star used by medieval astronomers writing in Arabic was رجل المسلسلة (Rijl al Musalsalah), "Foot of The [Chained] Woman". [17]
Spellings were often not standardized (Almach or Almaach or Almak or Alamak) Many stars had more than one name of roughly equal popularity (Mirfak or Algenib or Alcheb; Regor or Suhail al Muhlif; Alkaid or Benetnasch; Gemma or Alphecca; Alpheratz and Sirrah)
Sirrah is an archaic term used to address inferiors, sometimes as an expression of contempt (but not as familiar). The term appears in several Shakespeare plays, such as Julius Caesar , Othello , Antony and Cleopatra , Twelfth Night and the Merchant of Venice and Titus Andronicus .
Alpha (Markab), Beta (Scheat), and Gamma (Algenib), together with Alpha Andromedae (Alpheratz or Sirrah) form the large asterism known as the Square of Pegasus. The brightest of these, Alpheratz was also known as both Delta Pegasi and Alpha Andromedae before being placed in Andromeda in 1922 with the setting of constellation boundaries.
In Greek mythology, Andromeda (/ æ n ˈ d r ɒ m ɪ d ə /; Ancient Greek: Ἀνδρομέδα, romanized: Androméda or Ἀνδρομέδη, Andromédē) is the daughter of Cepheus, the king of Aethiopia, and his wife, Cassiopeia.