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Trumpler 27-1

Red supergiant star in the constellation Scorpius From Wikipedia, the free encyclopedia

Trumpler 27-1
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Trumpler 27-1 is a red supergiant star that is a member of the massive, possible open cluster Trumpler-27, where a blue giant star, a yellow supergiant star, and two Wolf–Rayet stars are also located.

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Observation history

Trumpler 27-1 was discovered and catalogued when the open cluster (not confirmed then) was first identified in the late 20th century.[citation needed] It has since remained largely unobserved, being featured in the Gaia Catalogue and other pieces of literature.[5]

Physical properties

Trumpler 27-1 is among the largest stars known, with a radius of over 1,360 solar radii. It is also 360,000 times more luminous than the Sun.[3] This star's spectral type is M0Ia,[6] meaning it possesses a cool temperature of below 3,800 K. So far, Trumpler 27-1 is the only identified red supergiant in the open cluster Trumpler 27.[citation needed]

Location

Trumpler 27–1, and the open cluster in which it is located, is in the constellation of Scorpius.

See also

References

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