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Upsilon Acrux first appeared on record on a 1998 compilation entitled Trummerflora 2. [1] Soon after they contributed a song to a compilation entitled Before the Pirates Came . [ 2 ] They went from a 4 piece to a 3 piece before releasing 2002's Last Train Out . [ 3 ]
Acrux: ＜ coined from the Alpha of Crux, the former English form of it Bayer designation, Alpha Crucis. It was invented by Elijah H. Burritt in his star atlas in 1833. Magalhanica: ＜ Magalhãnica, "the Magellanic", and meaning Estrela de Magalhães, "the Star of Magellan".
Upsilon 1 Cassiopeiae (υ 1 Cassiopeiae) is an astrometric binary [9] star system in the northern constellation of Cassiopeia. It is visible to the naked eye with an apparent visual magnitude of 4.82. [2] Based upon an annual parallax shift of 9.93 mas as seen from Earth, [1] this system is located about 330 light years from the Sun.
The massive RSGC1 cluster contains 14 red supergiants and one yellow supergiant. [8]Yellow supergiants have a relatively narrow range of temperatures corresponding to their spectral types, from about 4,000 K to 7,000 K. [9] Their luminosities range from about 1,000 L ☉ upwards, with the most luminous stars exceeding 100,000 L ☉.
Acrux is the brightest star in the southern constellation of Crux. It has the Bayer designation α Crucis , which is Latinised to Alpha Crucis and abbreviated Alpha Cru or α Cru . With a combined visual magnitude of +0.76, it is the 13th-brightest star in the night sky .
The Bayer designation Upsilon Cassiopeiae (υ Cas / υ Cassiopeiae) is shared by two star systems, in the constellation Cassiopeia: υ¹ Cassiopeiae; υ² Cassiopeiae; They are separated by 0.3° on the sky. [1]
Upsilon 2 Cassiopeiae, Latinised from υ 2 Cassiopeiae, is a solitary star in the constellation of Cassiopeia, a few degrees to the south of Gamma Cassiopeiae. It has the proper name Castula / ˈ k æ s t j ʊ l ə / , which has been officially adopted by the IAU . [ 7 ]
Upsilon is known as Pythagoras' letter, or the Samian letter, because Pythagoras used it as an emblem of the path of virtue or vice. [13] As the Roman writer Persius wrote in Satire III : and the letter which spreads out into Pythagorean branches has pointed out to you the steep path which rises on the right.