ESO 269-57

ESO 269-57 is a large 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]

ESO 269-57
ESO 269-57 as imaged by the ESO.
Observation data (J2000 epoch)
ConstellationCentaurus
Right ascension 13h 10m 04.4s[1]
Declination−46° 26′ 14″[1]
Redshift0.010360/3106 km/s[1]
Distance149,725,800 ly
Apparent magnitude (V)12.49
Characteristics
Type(R')SAB(r)ab[1]
Size~216,237.98 ly (estimated)[1]
Apparent size (V)3.2 x 2.3[1]
Other designations
PGC 45683[1]

Physical characteristics

ESO 269-57 has an inner ring surrounding its bright center. The ring is made up of several tightly wound spiral arms. Surrounding the inner ring, there are two outer arms which are 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.[6]

See also

References
  1. "NASA/IPAC Extragalactic Database". Results for ESO 269-57. Retrieved 2017-08-27.
  2. "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2017-08-27.
  3. information@eso.org. "Spiral galaxy ESO 269-57". www.eso.org. Retrieved 2017-08-27.
  4. Garcia, A. M. (1993-07-01). "General study of group membership. II - Determination of nearby groups". Astronomy and Astrophysics Supplement Series. 100: 47–90. Bibcode:1993A&AS..100...47G. ISSN 0365-0138.
  5. "Detailed Object Classifications". ned.ipac.caltech.edu. Retrieved 2017-08-27.
  6. "SN1992K - The Open Supernova Catalog". sne.space. Retrieved 2017-08-27.


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