NGC 7171
NGC 7171 is a barred spiral galaxy in the constellation of Aquarius. Its velocity with respect to the cosmic microwave background is 2388 ± 24 km/s, which corresponds to a Hubble distance of 35.22 ± 2.49 Mpc (∼115 million light-years). It was discovered by German–British astronomer William Herschel on 12 August 1787.
According to the SIMBAD database, NGC 7171 is an active Seyfert 2 galaxy.
One supernova has been observed in NGC 7171: SN 2023yoo (type Ia, mag. 17.339) was discovered by ATLAS on 28 November 2023.
See also
References
- ^ "Results for object NGC 7171". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 29 July 2024.
- ^ SIMBAD entry for NGC 7171. Retrieved 29 July 2024.
- ^ "SN 2023yoo". Transient Name Server. IAU. Retrieved 14 December 2024.
External links
Media related to NGC 7171 at Wikimedia Commons- NGC 7171 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
