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VY Canis Majoris (abbreviated to VY CMa) is an extreme oxygen-rich red hypergiant or red supergiant (O-rich RHG or RSG) and pulsating variable star 1.2 kiloparsecs (3,900 light-years) from the Solar System in the slightly southern constellation of Canis Major.
VY Canis Majoris: 07 h 22 m 58.3 s: −25° 46′ 03″ Canis Major: 3930 +420 −350 [20] M5eIa Red hypergiant: II [9] [21] IRAS 17163-3907: 17 h 19 m 49.3 s: −39° 10′ 37.9″ Scorpius: 3930 +990 −660 [4] late B/early A Yellow hypergiant: II [22] Wray 17-96: 17 h 41 m 35.4 s –30° 06′ 39″ Scorpius: 3940 +1110 −710 [4] B3 ...
VY Canis Majoris: 1,420 ± 120 [11] [12] [13] AD An extreme oxygen-rich red hypergiant that has experienced two dimming periods in the 20th century where the star became dimmer by up to 2.5 magnitudes. [14] Potentially the largest known star in the Milky Way. [12] There is a possilbility that this size might be a bit overestimated (on the order ...
Size comparison between the diameter of the Sun and VY Canis Majoris, a hypergiant which is among the largest known stars (possibly the largest in the Milky Way). K to M type spectra, the largest known stars by radius.
VY Canis Majoris: 2024 r=1,420 R ☉ Consistent with the upper limit for red supergiants of roughly 1,500 R ☉ based on the four largest stars measured in a survey, which is consistent with the current stellar evolutionary theory. [42] WOH G64 was the previous candidate [43] but was later found to be a smaller yellow hypergiant. [44] [45] [46]
VY Canis Majoris (VY CMa) is a red hypergiant star located in the constellation Canis Major.One of the largest stars and also one of the most luminous of its type, it has a radius of approximately 1,420 ± 120 solar radii (equal to a diameter of 13.2 astronomical units, or about 1,976,640,000 km), and is situated about 1.2 kiloparsecs (3,900 light-years) from Earth.
Canis Major 5 m.70 6 m ... 1.13594 d Eclipsing binary Algol type (EA/SD) VY CMa: Canis Major 6 m.5 9 m.6 3.1: unique (*) ... Eclipsing binary W Ursae Majoris type
Very Large Telescope image of the surroundings of the red hypergiant VY Canis Majoris. An OH/IR star is an asymptotic giant branch (AGB) or a red supergiant or hypergiant (RSG or RHG) star that shows strong OH maser emission and is unusually bright at near-infrared wavelengths.