| NGC 5643 | |
|---|---|
 NGC 5643 by Hubble Space Telescope | |
| Observation data (J2000 epoch) | |
| Constellation | Lupus |
| Right ascension | 14h 32m 40.7s[1] |
| Declination | −44° 10′ 28″[1] |
| Redshift | 1199 ± 2 km/s[1] |
| Distance | 41 Mly (12.5 Mpc)[2] |
| Apparent magnitude (V) | 10.7 |
| Characteristics | |
| Type | SAB(rs)c [1] |
| Apparent size (V) | 4.6′ × 4.0′[1] |
| Other designations | |
| ESO 272- G 016, MCG -07-30-003, PGC 51969[1] | |
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NGC 5643 is an intermediate spiral galaxy in the constellation Lupus. Based on the tip of the red-giant branch distance indicator, it is located at a distance of about 40 million light-years (12.5 megaparsecs).[2] NGC 5643 has an active galactic nucleus and is a type II Seyfert galaxy.
- ^ a b c d e f "NASA/IPAC Extragalactic Database". Results for NGC 5643. Retrieved 2016-01-18.
- ^ a b Hoyt, Taylor J.; Beaton, Rachael L.; Freedman, Wendy L.; Jang, In Sung; Lee, Myung Gyoon; Madore, Barry F.; Monson, Andrew J.; Neeley, Jillian R.; Rich, Jeffrey A.; Seibert, Mark (2021). "The Carnegie Chicago Hubble Program X: Tip of the Red Giant Branch Distances to NGC 5643 and NGC 1404". The Astrophysical Journal. 915 (1): 34. arXiv:2101.12232. Bibcode:2021ApJ...915...34H. doi:10.3847/1538-4357/abfe5a. S2CID 231728270.