WebTHE PISTOL STAR DONALD F. FFIGER,1 RANCISCO NAJARRO,2,3 MARK MORRIS,1 IAN S. TMCLEAN,1 HOMAS R. GEBALLE,4 ANDREA M. GHEZ,1 AND NORBERT LANGER5 ... Cotera (1996)et al. also estimated a very high luminosity for this star (their ““Pistol source AÏÏ), L B107.0 L and _, gave a spectral classiÐcation of B[e] based upon … WebOct 17, 1997 · Some, such as the Pistol star, are as big as the Earth's orbit; others are as small as a city. ... almost completely determines a star's temperature and luminosity. The models that fit Red Giant's ...
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WebIt is a blue class B giant with an apparent magnitude of 1.79 and a luminosity 375 times that of the Sun. Kaus Australis is the brightest star in the constellation Sagittarius and the 36th brightest star in the sky. It has … WebLuminosity class: A luminosity class is added to the spectral class using Roman numerals.This classifies the stars by its spectral characteristics considering color and brightness. Those spectral characteristics provide information about the type of the star: I for supergiants. Ia or 0 for hypergiants or extremely luminous supergiants co working space bohol
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http://www.tim-thompson.com/bright-stars.html WebSep 25, 2011 · Pistol Star, the first of the blue hypergiants, is much larger than Rigel. This star is 25,000 light years away and is located near the center of the Milky Way. ... And … The star owes its name to the shape of the Pistol Nebula, which it illuminates. It is located approximately 25,000 light-years from Earth in the direction of Sagittarius. The star has a large mass comparable to V4998 Sagittarii and a luminosity 3.3 million times that of the Sun (L ☉). See more The Pistol Star is an extremely luminous blue hypergiant star, one of the most luminous and massive known in the Milky Way. It is one of many massive young stars in the Quintuplet cluster in the Galactic Center region. … See more • LBV 1806−20 • List of largest known stars • Wolf–Rayet star See more The Pistol Star was discovered using the Hubble Space Telescope in the early 1990s by Don Figer, an astronomer at UCLA. The star is thought to have ejected almost 10 See more • NASA Discovery press release, Oct 7, 1997 • Pistol Star Fact Sheet • Further details on the Pistol Star from hubblesite.org • "The Pistol Star", Donald F. Figer et al. See more coworking space bommanahalli