UY Scuti
red supergiant or hypergiant star in the constellation Scutum
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Summary
UY Scuti is a star[1]. It ranks in the top 0.28% of star entities by monthly Wikipedia readership (4,284 views/month, #4 of 1,417).[2]
Key Facts
- Constellation: Scutum[3]
- Spectral class: M2/4I[4]
- Part of: Zone of Avoidance[5]
- Commons category: UY Scuti[6]
- Catalog code: IRAS 18248-1229[7], GSC 05698-05176[8], 2MASS J18273652-1227589[9], BD-12 5055[10], IRC -10422[11], JP11 293[12], PPM 234561[13], RAFGL 2162[14], TYC 5698-5176-1[15], UBV M 5387[16], UY Sct[17], UCAC3 156-208543[18], Gaia DR2 4152993273702130432[19]
- Type of variable star: SRc semi-regular variable star[20], semiregular variable star[21]
- Apparent magnitude: 14.20[22], 11.20[23], 9.51[24], 6.93[25], 6.6586[26], 2.72[27], 1.53[28], 0.98[29]
- Absolute magnitude: -8.95[30]
- Luminosity: 340,000 solar luminosity[31]
- Mass: 8.5 solar mass[32], 32 solar mass[33]
- Radius: 916 solar radius[34], 13 solar radius[35]
- Parallax: 0.6433 milliarcsecond[36]
- Radial velocity: 18.33 kilometre per second[37]
- Distance from Earth: 9500 light-year[38]
- Right ascension: 276.90220258195810 degree[39]
- Declination: -12.46635925736160 degree[40]
- Epoch: J2000.0[41]
- Effective temperature: 3365 K[42]
- Declination component of proper motion: -3.033 milliarcsecond per year[43]
- Right ascension component of proper motion: -0.693 milliarcsecond per year[44]
Why It Matters
UY Scuti has Wikipedia articles in 26 language editions, a strong signal of global cultural recognition.[45] It is known by 13 alternative names across languages and contexts.[46]