UGC 9425 explained

UGC 9425
Epoch:J2000
Constellation Name:Boötes
Z:0.034717 ± 0.000110
H Radial V:10,408 km/s
Dist Ly:468 Mly (143.6 ± 10.1 Mpc)
Sbrightness:15
Type:S?
Size V:1.1' x 0.6'
Names:PGC 52283/87675, Arp 241, MCG +05-34-083, VV 264

UGC 9425 (also known as Segner's Wheel) are a pair of interacting galaxies[1] located in the constellation of Boötes, comprising PGC 52283 and PGC 87675, both disk-type galaxies.[2] [3] It is located 468 million light-years from Earth[4] and catalogued as Arp 241 by Halton Arp.[5]

Supernova

One supernova was discovered by W.D. Li from the University of California via unfiltered images taken from the Kazman Automatic Imagining Telescope, in UGC 9425. Called SN 2001ck, the supernova was located 5".8 west and 3".0 north of the nucleus.[6] Further investigations by astronomers from Harvard Smithsonian Center for Astrophysics, confirmed it as a type Ia supernova with an expansion velocity of 11,000 kilometers per seconds.[7] [8]

References

  1. Ryan . C. J. . Robertis . M. M. De . 21 January 2010 . THE LOCAL ENVIRONMENTS OF INTERACTING GALAXY SYSTEMS . The Astrophysical Journal . en . 710 . 1 . 783 . 10.1088/0004-637X/710/1/783 . 0004-637X.
  2. Bushouse . Howard A. . 1987-09-01 . Global Properties of Interacting Disk-Type Galaxies . The Astrophysical Journal . 320 . 49 . 10.1086/165523 . 0004-637X.
  3. Web site: Bushouse . Howard A. . Global Properties of Interacting Disk-Type Galaxies . 2024-08-16 . articles.adsabs.harvard.edu.
  4. Web site: Your NED Search Results . 2024-08-16 . ned.ipac.caltech.edu.
  5. Web site: ARP Atlas of Peculiar Galaxies . 2024-08-16 . ned.ipac.caltech.edu.
  6. Li . W. D. . 2001-06-01 . Supernova 2001ck in UGC 9425 . International Astronomical Union Circular . 7641 . 1 . 0081-0304.
  7. Matheson . T. . Jha . S. . Challis . P. . Kirshner . R. . Berlind . P. . 2001-06-01 . Supernova 2001ck in UGC 9425 . International Astronomical Union Circular . 7645 . 2 . 0081-0304.
  8. van den Bergh . Sidney . Li . Weidong . Filippenko . Alexei V. . August 2002 . Classifications of the Host Galaxies of Supernovae . Publications of the Astronomical Society of the Pacific . 114 . 798 . 820–825 . 10.1086/341709 . 0004-6280. astro-ph/0204298 .

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