UGC 12891

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Galaxy
Arp 249 / UGC 12891
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AladinLite
Constellation Pegasus
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 00 h 00 m 19.6 s
declination + 22 ° 59 ′ 31 ″
Appearance
Morphological type DBL SYS  
Brightness  (visual) 15.1 mag
Angular expansion 1.1 ′ × 0.7 ′
Physical data
Redshift 0.038997 ± 0.000103  
Radial velocity (11691 ± 31) km / s  
Stroke distance
v rad  / H 0
(530 ± 37)  ·  10 6  Lj
(162.4 ± 11.4)  Mpc 
history
Catalog names
UGC  12891 • PGC  25/200388 • CGCG  477-037 / 478-009 • MCG  + 04-01-007 • Arp  249 • VV  186 • IV Zw 177 NED02

Arp 249 = UGC 12891 is an interacting galaxy pair in the constellation Pegasus. It is estimated to be 530 million light years from the Milky Way . Halton Arp organized his catalog of unusual galaxies into groups according to purely morphological criteria. This galaxy belongs to the class galaxies showing signs of splitting .

Web links

literature

  • Jeff Kanipe and Dennis Webb: The Arp Atlas of Peculiar Galaxies - A Chronicle and Observer's Guide , Richmond 2006, ISBN 978-0-943396-76-7

Individual evidence

  1. a b c d NASA / IPAC EXTRAGALACTIC DATABASE