ESO 269-57

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ESO 269-57
Galaxy.ap19.2003.750pix.jpg
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]
Heliocentric 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]

Contents

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

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References

  1. 1 2 3 4 5 6 7 8 9 "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. 1 2 "Spiral galaxy ESO 269-57". www.eso.org. Retrieved 2017-08-27.
  4. 1 2 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. 1 2 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. Bibcode:1992A&AS...93..211F. ISSN   0365-0138.
  7. ↑ "SN1992K - The Open Supernova Catalog". sne.space. Archived from the original on 2017-08-28. Retrieved 2017-08-27.
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