| NGC 7171 | |
|---|---|
 The barred spiral galaxy NGC 7171. | |
| Observation data (J2000 epoch) | |
| Constellation | Aquarius |
| Right ascension | 22 01 02.012 |
| Declination | −13° 16′ 10.901″ |
| Redshift | 0.009069 |
| Heliocentric radial velocity | 2719 ± 6 km/s |
| Distance | 114.9 ± 8.1 Mly (35.22 ± 2.49 Mpc) |
| Apparent magnitude (V) | 12.2 |
| Characteristics | |
| Type | SB(rs)b |
| Size | ~97,600 ly (29.93 kpc) (estimated) |
| Apparent size (V) | 2.6′ × 1.5′ |
| Other designations | |
| IRAS 21583-1330, 2MASX J22010200-1316108, MCG -02-56-005, PGC 67839 | |
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
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