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Many star names are, in origin, descriptive of the part in the constellation they are found in; thus Phecda, a corruption of Arabic فخذ الدب ( fakhdh ad-dubb, 'thigh of the bear'). Only a handful of the brightest stars have individual proper names not depending on their asterism; so Sirius ('the scorcher'), Antares ('rival of Ares ', i.e ...
BPM 37093 — a diamond star. Cygnus X-1 — X-ray source. EBLM J0555-57Ab — is one of the smallest stars ever discovered. GY Andromedae — chemically peculiar variable star. MACS J1149 Lensed Star 1 (or Icarus) — second most distant star, 9 billion light years away.
It contains Ursa Major and the Hyades star cluster, among others. The Local Bubble also contains the neighboring G-Cloud, which contains the stars Alpha Centauri and Altair. In the galactic context, the Local Bubble is a small part of the Orion Arm, which contains most stars that we can see without a telescope.
The following well-known stars are listed for the purpose of comparison. Antares A (α Scorpii) 680 [83] AD Fourteenth brightest star in the night sky. [79] Widely recognised as being among the largest known stars. [44] ρ Cassiopeiae: 636 – 981 [84] L/T eff [e] A yellow hypergiant star, similar to V382 Carinae, that is also visble to the ...
The Sun is the brightest star as viewed from Earth, at −26.78 mag. The second brightest is Sirius at −1.46 mag. For comparison, the brightest non-stellar objects in the Solar System have maximum brightnesses of: the Moon −12.7 mag [1] Venus −4.92 mag. Jupiter −2.94 mag. Mars −2.94 mag.
The Bright Star Catalogue, which is a star catalogue listing all stars of apparent magnitude 6.5 or brighter, or roughly every star visible to the naked eye from Earth, contains 9,096 stars. The most voluminous modern catalogues list on the order of a billion stars, out of an estimated total of 200 to 400 billion in the Milky Way .
Of several items, then called radio stars, Cygnus A was identified with a distant galaxy, being the first of many radio stars to become a radio galaxy. [25] [26] First quasar: 3C273: Virgo: 1962 3C273 was the first quasar with its redshift determined, and by some considered the first quasar. 3C48: Triangulum: 1960
All stars but one can be associated with an IAU (International Astronomical Union) constellation. IAU constellations are areas of the sky. Although there are only 88 IAU constellations, the sky is actually divided into 89 irregularly shaped boxes as the constellation Serpens is split into two separate sections, Serpens Caput (the snake's head) to the west and Serpens Cauda (the snake's tail ...