NGC 6221
Coordinates: 
16h 52m 46.1s, +-59° 13′ 07″
16h 52m 46.1s, +-59° 13′ 07″light years | |
|---|---|
| Apparent size (V) | 3.5′ × 2.5′[1] |
| Other designations | |
| ESO 138-3, AM 1648-590, IRAS16484-5908 and PGC 59175 | |
References: NASA/IPAC extragalactic datatbase, http://spider.seds.org/ | |
NGC 6221 (also known as
In 1990, a type Ib/Ic supernova was detected within NGC 6221, and was designated SN 1990W.[4]
Galaxy group information
NGC 6221 is part of galaxy group NGC 6221/15, which includes spiral galaxy NGC 6215 and three dwarf galaxies. Interactions between NGC 6221 and NGC 6215 form a double-stranded bridge of neutral hydrogen gas over a projected distance of 100 kpc; Dwarf 3 of the three dwarf galaxies may have formed from the bridging gas.[5]
See also
References
- ^ a b c d e f g h i j k "Object No. 1 - NGC 6221". NASA/IPAC extragalactic database. NASA/IPAC. Retrieved 3 October 2015.
- ^ "NGC 6221 (= PGC 59175)". cseligman. Retrieved 3 October 2015.
- ^ "Revised NGC Data for NGC 6221". Seds. Retrieved 3 October 2015.
- ^ "SN 1990W". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2021-03-19.
- . Retrieved 17 December 2015.
External links
Media related to NGC 6221 at Wikimedia Commons
