IC 5283
Galaxy IC 5283 |
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Hubble image of NGC 7469 (upper right half of the image); left of center: IC 5283. (North is below in this picture.) | |
AladinLite | |
Constellation | Pegasus |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 23 h 03 m 17.7 s |
declination | + 08 ° 53 ′ 38 ″ |
Appearance | |
Morphological type | SA (r) cd / Sy? |
Brightness (visual) | 14.3 mag |
Brightness (B-band) | 15.0 mag |
Angular expansion | 0.7 ′ × 0.4 ′ |
Position angle | 135 ° |
Surface brightness | 12.8 mag / arcmin² |
Physical data | |
Affiliation | isolated |
Redshift | 0.016024 ± 0.000027 |
Radial velocity | 4804 ± 8 km / s |
Stroke distance v rad / H 0 |
(222 ± 16) · 10 6 ly (68 ± 4.8) Mpc |
history | |
discovery | Guillaume Bigourdan |
Discovery date | September 4, 1891 |
Catalog names | |
IC 5283 • PGC 70350 • CGCG 405-27 • MCG + 01-58-026 • Arp 298 • NVSS J230317 + 085338 • HOLM 803A • KPG 575B |
IC 5283 is a spiral galaxy of Hubble type Scd in the constellation Pegasus at the northern sky . It is an estimated 222 million light years from the Milky Way and is approximately 45,000 light years across. Together with NGC 7469 , it forms the isolated, interacting galaxy pair Arp 298 , KPG 575 or Holm 803 .
Halton Arp organized his catalog of unusual galaxies into groups according to purely morphological criteria. This pair of galaxies belongs to the class Unclassified double galaxies .
The object was discovered on September 4, 1891 by Guillaume Bigourdan .
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