| NGC 6181 | |
|---|---|
 NGC 6181 imaged by the Hubble Space Telescope | |
| Observation data (J2000 epoch) | |
| Constellation | Hercules |
| Right ascension | 16h 32m 20.9s |
| Declination | +19° 49′ 36″ |
| Redshift | 0.007922±0.000013 |
| Heliocentric radial velocity | 2375±4 km/s |
| Galactocentric velocity | 2493±6 km/s |
| Apparent magnitude (V) | 10.42 |
| Absolute magnitude (V) | -22.14 |
| Characteristics | |
| Type | SB(rs)c |
| Size | ~ 79,000 light years |
| Apparent size (V) | 2.50′ × 1.1′ |
| Other designations | |
| UGC 10439, MCG 3-42-20, ZWG 109.31, PGC 58470, IRAS 16301+1955 | |
References: NASA/IPAC extragalactic datatbase, http://spider.seds.org/, http://cseligman.com | |
NGC 6181 is a barred spiral galaxy located in the constellation Hercules. It is designated as SB(rs)c in the galaxy morphological classification scheme and was discovered by William Herschel on 28 April 1788. The galaxy is 107 million light years away.[1][2][3]
Three supernovae have been observed in NGC 6181: SN 1926B (type unknown, mag. 14.8),[4][5] SN 1951I (type unknown, mag. 15.7),[6] and SN 2019aai (type II, mag. 17.84).[7]
- ^ "Object No. 1 - NGC 6181". NASA/IPAC extragalactic database. NASA/IPAC. Retrieved 3 October 2015.
- ^ "Revised NGC Data for NGC 6081". Seds. Retrieved 3 October 2015.
- ^ "NGC 6181 (= PGC 57684)". cseligman. Retrieved 3 October 2015.
- ^ Transient Name Server entry for SN 1926B. Retrieved 28 March 2023.
- ^ Central Bureau for Astronomical Telegrams list of Supernovae. Retrieved 28 March 2023.
- ^ Transient Name Server entry for SN 1951I. Retrieved 25 March 2023.
- ^ "SN 2019aai". Transient Name Server. IAU. Retrieved 6 September 2024.