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  2. UY Scuti - Wikipedia

    en.wikipedia.org/wiki/UY_Scuti

    UY Scuti (BD-12°5055) is a red supergiant star, located 5,900 light-years away in the constellation Scutum. It is also a pulsating variable star , with a maximum brightness of magnitude 8.29 and a minimum of magnitude 10.56, which is too dim for naked-eye visibility.

  3. Hypergiant - Wikipedia

    en.wikipedia.org/wiki/Hypergiant

    It is not clear whether yellow hypergiants ever manage to get past the instability void to become LBVs or explode as a supernova. ... UY Scuti [47] V602 Carinae [20 ...

  4. Stephenson 2 DFK 1 - Wikipedia

    en.wikipedia.org/wiki/Stephenson_2_DFK_1

    Stephenson 2 DFK 1, also known as RSGC2-01 [a] or St2-18, is a red supergiant (RSG) or possible extreme red hypergiant [2] (RHG) star in the constellation of Scutum.It lies near the open cluster Stephenson 2, which is located about 5.8 kiloparsecs (19,000 light-years) away from Earth in the Scutum–Centaurus Arm of the Milky Way galaxy, and is assumed to be one of a group of stars at a ...

  5. VY Canis Majoris - Wikipedia

    en.wikipedia.org/wiki/VY_Canis_Majoris

    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.

  6. Red supergiant - Wikipedia

    en.wikipedia.org/wiki/Red_supergiant

    Red supergiants (RSGs) are stars with a supergiant luminosity class (Yerkes class I) and a stellar classification K or M. [1] They are the largest stars in the universe in terms of volume, although they are not the most massive or luminous.

  7. List of largest stars - Wikipedia

    en.wikipedia.org/wiki/List_of_largest_stars

    UY Scuti: 909 [23] L/T eff: Initially reported 1,708 R ☉, making it the largest star, a 2023 measurement put the radius at a smaller value of 909 R ☉ based on the multimessenger monitoring of supernovae. [23] NR Vulpeculae: 908 [23] – 923 +62 −50 [25] L/T eff: KU Andromedae (IRC +40004) 900 [55] – 1,044 [54] L/T eff: V774 Sagittarii ...

  8. Near-Earth supernova - Wikipedia

    en.wikipedia.org/wiki/Near-Earth_supernova

    The Crab Nebula is a pulsar wind nebula associated with the 1054 supernova.It is located about 6,500 light-years from the Earth. [1]A near-Earth supernova is an explosion resulting from the death of a star that occurs close enough to the Earth (roughly less than 10 to 300 parsecs [30 to 1000 light-years] away [2]) to have noticeable effects on Earth's biosphere.

  9. RW Cephei - Wikipedia

    en.wikipedia.org/wiki/RW_Cephei

    RW Cephei is a K-type hypergiant and a semirregular variable star in the constellation Cepheus, at the edge of the Sharpless 132 H II region and close to the small open cluster Berkeley 94.