NGC 682 is a lenticular galaxy in the constellation of Cetus. Its velocity with respect to the cosmic microwave background is 5,338 ± 26 km/s, which corresponds to a Hubble distance of 78.7 ± 5.5 Mpc (~257 million light-years).[1] It was discovered by German-British astronomer William Herschel on 30 December 1785.[2]

One supernova has been observed in NGC 682: SN 2023xtg (type Ia, mag. 18.1) was discovered by Kōichi Itagaki on 14 November 2023.[3]

See also

References

  1. ^ a b c d e f g h i j k "NASA/IPAC Extragalactic Database". Results for object NGC 0682. Retrieved 20 July 2024.
  2. ^ Seligman, Courtney. "New General Catalogue Objects: NGC 682". Celestial Atlas. Retrieved 12 December 2024.
  3. ^ "SN 2023xtg". Transient Name Server. IAU. Retrieved 12 December 2024.
Allikas: https://en.wikipedia.org/wiki/NGC_682
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