Astronomy:ESO 269-57
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Short description: Large spiral galaxy in the constellation Centaurus
| ESO 269-57 | |
|---|---|
 ESO 269-57 as imaged by the ESO. | |
| Observation data (J2000 epoch) | |
| Constellation | Centaurus |
| Right ascension | 13h 10m 04.4s[1] |
| Declination | −46° 26′ 14″[1] |
| Redshift | 0.010360[1] |
| Helio radial velocity | 3106 km/s[1] |
| Distance | 150 Mly (45.9 Mpc)[1] |
| Group or cluster | NGC 5064 Group |
| Apparent magnitude (V) | 12.49 |
| Characteristics | |
| Type | (R')SAB(r)ab[1] |
| Size | ~216,200 ly (66.29 kpc) (estimated)[1] |
| Apparent size (V) | 3.2 x 2.3[1] |
| Other designations | |
| PGC 45683[1] | |
ESO 269-57 is a large barred spiral galaxy located about 150 million light-years away[2] in the constellation Centaurus. ESO 269-57 has a diameter of about 200,000 light-years.[3] It is part of group of galaxies known as LGG 342.[4][5] which is also known as the NGC 5064 Group[6][4] which is part of the Centaurus Supercluster.[6]
Physical characteristics
ESO 269-57 has an inner ring surrounding its bright center and connected by its bar. The ring is made up of several tightly wound spiral arms. Surrounding the inner ring, are two outer arms made up of star-forming regions that appear to split into several branches of arms.[3]
SN1992K
On March 3, 1992 a type Ia supernova was discovered in ESO 269-57.[7]
See also
References
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 "NASA/IPAC Extragalactic Database". Results for ESO 269-57. http://nedwww.ipac.caltech.edu/.
- ↑ "Your NED Search Results". https://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=ESO+269-57&extend=no&hconst=73&omegam=0.27&omegav=0.73&corr_z=1&out_csys=Equatorial&out_equinox=J2000.0&obj_sort=RA+or+Longitude&of=pre_text&zv_breaker=30000.0&list_limit=5&img_stamp=YES.
- ↑ 3.0 3.1 "Spiral galaxy ESO 269-57" (in en-GB). http://www.eso.org/public/images/eso9924c/.
- ↑ 4.0 4.1 Garcia, A. M. (1993-07-01). "General study of group membership. II - Determination of nearby groups". Astronomy and Astrophysics Supplement Series 100: 47–90. ISSN 0365-0138. Bibcode: 1993A&AS..100...47G.
- ↑ "Detailed Object Classifications". https://ned.ipac.caltech.edu/cgi-bin/NEDatt?objname=ESO+269-+G+057.
- ↑ 6.0 6.1 Fouque, P.; Gourgoulhon, E.; Chamaraux, P.; Paturel, G. (1992-05-01). "Groups of galaxies within 80 Mpc. II. The catalogue of groups and group members.". Astronomy and Astrophysics Supplement Series 93: 211–233. ISSN 0365-0138. Bibcode: 1992A&AS...93..211F. https://ui.adsabs.harvard.edu/abs/1992A&AS...93..211F.
- ↑ "SN1992K - The Open Supernova Catalog" (in en-US). https://sne.space/sne/SN1992K/.
External links
- ESO 269-57 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
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