| NGC 7171 | |
|---|---|
 The barred spiral galaxy NGC 7171. | |
| Observation data (J2000epoch) | |
| Constellation | Aquarius |
| Right ascension | 22h 01m 02.012s[1] |
| Declination | −13° 16′ 10.901″[1] |
| Redshift | 0.009069[1] |
| Heliocentric radial velocity | 2719 ± 6 km/s[1] |
| Distance | 114.9 ± 8.1 Mly (35.22 ± 2.49 Mpc)[1] |
| Apparent magnitude (V) | 12.2[1] |
| Characteristics | |
| Type | SB(rs)b[1] |
| Size | ~97,600 ly (29.93 kpc) (estimated)[1] |
| Apparent size (V) | 2.6′ × 1.5′[1] |
| Other designations | |
| IRAS 21583-1330,2MASX J22010200-1316108,MCG -02-56-005,PGC 67839[1] | |
NGC 7171 is abarred spiral galaxy in theconstellation ofAquarius. Its velocity with respect to thecosmic microwave background is 2388 ± 24 km/s, which corresponds to aHubble distance of 35.22 ± 2.49 Mpc (~115 millionlight-years).[1] It was discovered byGerman–British astronomerWilliam Herschel on 12 August 1787.
According to theSIMBAD database, NGC 7171 is an activeSeyfert 2 galaxy.[2]
Onesupernova has been observed in NGC 7171: SN 2023yoo (type Ia, mag. 17.339) was discovered byATLAS on 28 November 2023.[3]
Media related toNGC 7171 at Wikimedia Commons
