Blue subgiant star
http://stars.astro.illinois.edu/sow/zetatau.html WebJan 9, 2024 · It is also the most evolved, classified as a blue subgiant of the spectral type O9.5 IVp. The star has a mass 39 times that of the Sun and shines with 107,000 solar luminosities with a surface temperature of 34,900 K. It is a fast spinner, with a projected rotational velocity of 133 km/s.
Blue subgiant star
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WebJul 14, 2024 · Alioth is a blue-white giant or subgiant star with calcium K-lines in its spectrum, being 102 times brighter than our Sun. Ursa Major is visible throughout the year from most of the northern hemisphere. The constellation of Ursa Major is among the oldest constellations in the night sky, with a history dating back to ancient times. http://www.seasky.org/constellations/constellation-aquarius.html
WebBlue giants Bright giants Supergiants Red supergiant Hypergiants absolute magni- tude (MV) A yellow supergiant ( YSG) is a star, generally of spectral type F or G, having a supergiant luminosity class (e.g. Ia or Ib). They are stars that have evolved away from the main sequence, expanding and becoming more luminous. WebJun 11, 2024 · Blue Supergiants. Blue supergiants are just as rare as red supergiants, and their spectral type is usually O, B. Blue supergiants are the hottest stars in the universe, having temperatures of around 10,000 K to …
WebIt is blue giant star located approximately 133 light years away. Pegasus contains one Messier object known as M15, or the Great Pegasus Cluster. It is a globular star cluster that contains more than 100,000 stars. It is … WebAug 25, 2014 · It is a blue subgiant star located at a distance of 250 light years from Earth. Spica is really a close binary star system. It is one of the nearest massive binary stars to the solar system. The name Spica …
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A subgiant is a star that is brighter than a normal main-sequence star of the same spectral class, but not as bright as giant stars. The term subgiant is applied both to a particular spectral luminosity class and to a stage in the evolution of a star. See more The term subgiant was first used in 1930 for class G and early K stars with absolute magnitudes between +2.5 and +4. These were noted as being part of a continuum of stars between obvious main-sequence stars such as the See more A Hertzsprung–Russell (H–R) diagram is a scatter plot of stars with temperature or spectral type on the x-axis and absolute magnitude or luminosity on the y-axis. H–R diagrams of all … See more Planets in orbit around subgiant stars include Kappa Andromedae b, Kepler-36 b and c, and HD 224693 b. See more • Post-main sequence evolution through helium burning • Long period variables – period luminosity relations and classification in the Gaia Mission See more The subgiant branch is a stage in the evolution of low to intermediate mass stars. Stars with a subgiant spectral type are not always on the evolutionary subgiant branch, and vice versa. For example, the stars FK Com and 31 Com both lie in the … See more Several types of variable star include subgiants: • Beta Cephei variables, early B main sequence and subgiant stars • Slowly pulsating B-type stars, … See more • Vassiliadis, E.; Wood, P. R. (1993). "Evolution of low- and intermediate-mass stars to the end of the asymptotic giant branch with mass loss". Astrophysical Journal. 413: 641. Bibcode:1993ApJ...413..641V. doi:10.1086/173033. • Pols, … See more bowker isbn and copyrightWebFeb 28, 2024 · Blue supergiants are supergiant stars (class I) of spectral type O. Note: The above text is excerpted from the Wikipedia article "Blue supergiant star", which has … gulf war challenge coinWebHD 61330 (f Puppis) is a class B8IV (blue subgiant) star in the constellation Puppis.Its apparent magnitude is 4.53 and it is approximately 360 light years away based on parallax.. It is a multiple star, with a secondary component C, with magnitude 6.07 in an 81-year orbit with eccentricity 0.64. Another closer component, B, has been reported at 6.1 magnitude … bowker isbn agencyWebThese two stars were the first double star to ever be photographed. They can easily be separated with a good pair of binoculars. The brightest star in the constellation is Alioth with a visual magnitude of 1.77. It is a blue … bowker isbn codesWebJan 7, 2024 · This blue subgiant star has a radius 4.65 times larger than the Sun. Muhlifain is said to travel through the vacuum of space at a speed of 6 km/s! ε Centauri (Epsilon Centauri) Epsilon Centauri is a star with the spectral class “B1III” (blue color) and a visual magnitude of 2.29. bowker internationalWebFeb 3, 2009 · Blue Supergiant Star. [/caption] The color of a star is defined by its temperature. The coolest stars are red, while the hottest stars are blue. And the temperature of a star is defined by its mass. gulf war casualties iraqWebJan 6, 2024 · The brightest star in the cluster, the blue subgiant Omicron Velorum, has a mean apparent magnitude of 3.60. It is classified as a slow pulsating variable and its brightness varies from magnitude 3.57 to 3.63. The star lies approximately 490 light years away. The smaller open cluster NGC 2669 appears just east of IC 2391. bowker imprint identification