NGC 7603
| Galaxy NGC 7603 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | fishes |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 23 h 18 m 56.6 s |
| declination | + 00 ° 14 ′ 38 ″ |
| Appearance | |
| Morphological type | SA (rs) b: / pec / Sy1.5 |
| Brightness (visual) | 13.2 mag |
| Brightness (B-band) | 14.0 mag |
| Angular expansion | 1.6 '× 1.0' |
| Position angle | 165 ° |
| Surface brightness | 13.5 mag / arcmin² |
| Physical data | |
| Redshift | 0.029524 ± 0.000073 |
| Radial velocity | (8851 ± 22) km / s |
|
Stroke distance v rad / H 0 |
(401 ± 28) · 10 6 ly (123 ± 8.6) Mpc |
| history | |
| discovery | Albert Marth |
| Discovery date | October 23, 1864 |
| Catalog names | |
| NGC 7603 • UGC 12493 • PGC 71035 • CGCG 380-26 • MCG + 0-59-21 • IRAS 23163-0001 • 2MASX J23185663 + 0014376 • Arp 92 • Mrk 530 • VV 1975 • GC 6178 • UM 156 | |
NGC 7603 is a spiral galaxy of the Hubble type SA (rs) b: in the constellation Pisces on the ecliptic . It is an estimated 401 million light years from the Milky Way and is classified as a Seyfert Galaxy .
In the sky, the galaxy and PGC 71041 form an optical duo ( Arp 92 ). Halton Arp organized his catalog of unusual galaxies into groups according to purely morphological criteria. This galaxy belongs to the class spiral galaxies with an elliptical companion on one arm (Arp catalog) .
The galaxy was discovered by Albert Marth on October 23, 1864 and is listed in the New General Catalog .
Web links
Commons : NGC 7603 - collection of images, videos, and audio files
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