NGC 5251 is a barred spiral galaxy in the constellation of Boötes. Its velocity with respect to the cosmic microwave background is 11202 ± 17 km/s, which corresponds to a Hubble distance of 165.22 ± 11.57 Mpc (~539 million light-years).[1] It was discovered by German-British astronomer William Herschel on 11 April 1785.[2]
The SIMBAD database lists NGC 5251 as a LINER galaxy, i.e. a galaxy whose nucleus has an emission spectrum characterized by broad lines of weakly ionized atoms.[3]
One supernova has been observed in NGC 5251: SN 2024bci (type Ia, mag. 18.77) was discovered by the GOTO (telescope array) on 24 January 2024.[4]
See also
References
- ^ a b c d e f g h i j k "Results for object NGC 5251". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 14 August 2024.
- ^ Seligman, Courtney. "NGC 5251". Celestial Atlas. Retrieved 14 August 2024.
- ^ "NGC 5251". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 16 December 2024.
- ^ "SN 2024bci". Transient Name Server. IAU. Retrieved 14 August 2024.
External links
Media related to NGC 5251 at Wikimedia Commons- NGC 5251 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
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