VY Canis Majoris (abbreviated to VY CMa) is an extreme oxygen-rich (O-rich) red hypergiant (RHG) or red supergiant (RSG) and pulsating variable star 1.2 kiloparsecs (3,900 light-years) from the Solar System in the slightly southern constellation of Canis Major. It is one of the largest known stars, one of the most … See more The first known-recorded observation of VY Canis Majoris is in the star catalogue of the French astronomer Jérôme Lalande in 1801, which lists it as a 7th order of magnitude star. Further quite frequent studies of its See more In 1976, Lada and Reid published observations of the bright-rimmed molecular cloud Sh2-310, which is 15″ east of the star. At its edge bordered by the bright rim, an … See more The spectrum of VY Canis Majoris is that of a high-luminosity M-class star. The hydrogen lines, however, have P Cygni profiles fit for luminous blue variables. The spectrum is dominated by TiO bands whose strengths suggest a classification of M5. The See more VY Canis Majoris has been known to be an extreme object since the middle of the 20th century, although its true nature was uncertain. In the late 20th century, it was accepted that it was a post-main sequence red supergiant. Its angular diameter had been measured … See more VY Canis Majoris is surrounded by an extensive and dense asymmetric red reflection nebula, with a total ejected mass of 0.2-0.4 M☉ and a temperature of 800 kelvin, … See more VY Canis Majoris is a variable star that varies from an apparent visual magnitude of 9.6 at minimum brightness to a magnitude of 6.5 at maximum with an estimated pulsational period of 956 days. In the General Catalogue of Variable Stars (GCVS) it is classed a See more A very large and luminous star, VY CMa is among the most extreme stars in the Milky Way and has an effective temperature below 4,000 K (3,730 °C; 6,740 °F). It occupies the upper-right hand corner of the HR diagram although its exact luminosity and … See more WebNML Cygni or V1489 Cygni (abbreviated to NML Cyg or V1489 Cyg) is a red hypergiant or red supergiant (RSG) in the constellation Cygnus.It is one of the largest stars currently known by radius, and is also one of the most luminous and massive cool hypergiants, as well as one of the most luminous stars in the Milky Way.. The distance of NML Cygni …
Size of Stars - Universe Today
WebAnswer (1 of 3): If we really want to look from earth, earth will be surrounded by hydrogen and helium in plasma state burning which is part of the giant star. In other words we will be engulfed by VY Canis Majoris. If VY Canis Majoris is placed in Sun’s location, we will not be there to see it.... WebMar 4, 2024 · VY Canis Majoris is not seen in this view, but the tiny red square marks the location of the hypergiant, and represents the diameter of the solar system out to the orbit of Neptune, which is 5.5 billion miles across. The final panel is an artist's impression of the hypergiant star with vast convection cells and undergoing violent ejections. small personal loans greenville sc
What is the biggest star ever observed? Space
WebVY Canis Majoris is a red hypergiant star that is one of the largest and most luminous known stars in the Milky Way Galaxy. It is an irregular pulsating variable and lies about 5,000 light-years away in the constellation Canis Major. WebAnswer (1 of 2): VY Canis Majoris Radius is around 1,500 times that of the sun. If VY Canis Majoris was placed in the center of our solar system it would almost reach the orbit of Saturn! VY Canis Majoris Mass VY Canis Majoris is estimated to have a mass of around 10 to 25 times that of the sun.... WebFeb 28, 2024 · VY Canis Majoris (VY CMa) is a red supergiant or red hypergiant star located at an approximate distance of 3,820 light-years from Earth in the constellation Canis Major. It is one of the largest stars known, with an estimated radius at least 1,420 times that of the Sun. The hypergiant is a pulsating variable star. sonshine communications