HVGC-1 is the first discovered hypervelocity globular cluster. Discovered in 2014, it was found escaping the supergiant elliptical galaxy Messier 87, in...
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low metallicity are somewhat larger than metal-rich clusters. In 2014, HVGC-1, the first hypervelocity globular cluster, was discovered escaping from...
90 KB (9,560 words) - 11:06, 18 July 2024
Huygens (double stars) HV — Harvard Variable HVGC — Hyper Velocity Globular Cluster (for example: HVGC-1 in the supergiant elliptical galaxy Messier 87...
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systems. It approved the name Elgafar for the component Phi Virginis A on 1 June 2018 and it is now so included in the List of IAU-approved Star Names...
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varying by 0.0125 in magnitude. These variations have four periods lasting 11.1, 12.3, 16.8, and 23.7 days. This star has 90% the mass of the sun, but it...
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peculiar stars", Monthly Notices of the Royal Astronomical Society, 429 (1): 119–125, arXiv:1211.1535, Bibcode:2013MNRAS.429..119P, doi:10.1093/mnras/sts318...
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light-years away in the constellation of Virgo. At that distance it spans over 1.5 light-years in this sharp telescopic view. Shrugging off its outer layers...
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and 145% the radius of the Sun. It has a temperature of 6557 K and is about 1.9 billion years old. In comparison, the Sun is about 4.6 billion years old...
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binarity", The Astronomical Journal, 135 (1): 209–231, Bibcode:2008AJ....135..209M, doi:10.1088/0004-6256/135/1/209, S2CID 121883397. Anderson, E.; Francis...
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which, at the distance of this system, is equivalent to a physical span of 1.050±0.007 AU. The orbit is inclined by an angle of 110° to the line of sight...
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Hipparcos photometry: The least variable stars". Astronomy and Astrophysics. 367 (1): 297–298. Bibcode:2001A&A...367..297A. doi:10.1051/0004-6361:20000567. Houk...
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is orbited by the 9.4 magnitude B component, at an angular separation of 7.1 arcseconds. A fourth component C, 69.6 arcseconds away, has an apparent magnitude...
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component is an evolved red giant star with a stellar classification of M3 IIICa-1. It is an irregular variable with seven measured pulsation periods ranging...
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suburban skies at night. Based upon a measured annual parallax shift of 12.1 mas, it is located roughly 269 light-years (82.6 parsecs) from the Sun. If...
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Omega Virginis (redirect from 1 Virginis)
et al. (2017), "General Catalogue of Variable Stars", Astronomy Reports, 5.1, 61 (1): 80–88, Bibcode:2017ARep...61...80S, doi:10.1134/S1063772917010085, S2CID 125853869...
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Hipparcos Stars", Monthly Notices of the Royal Astronomical Society, 427 (1): 343–57, arXiv:1208.2037, Bibcode:2012MNRAS.427..343M, doi:10.1111/j.1365-2966...
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to +4.86. This variation has pulsation periods of 23.4, 24.3, 27.9 and 34.1 days. The effective temperature of the stellar atmosphere is around 3,800 K...
7 KB (401 words) - 19:34, 18 July 2024