NGC 7609
| Galaxy NGC 7609 |
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|---|---|
|
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| SDSS image of HCG 95 with NGC 7609 in the center | |
| AladinLite | |
| Constellation | Pegasus |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 23 h 19 m 30.5 s |
| declination | + 09 ° 30 ′ 31 ″ |
| Appearance | |
| Morphological type | E / S0? |
| Brightness (visual) | 14.1 mag |
| Brightness (B-band) | 15.1 mag |
| Angular expansion | 1.3 ′ × 1.1 ′ |
| Position angle | 135 ° |
| Surface brightness | 14.6 mag / arcmin² |
| Physical data | |
| Redshift | 0.039644 ± 0.000080 |
| Radial velocity | (11,885 ± 24) km / s |
|
Stroke distance v rad / H 0 |
(537 ± 39) · 10 6 ly (164.5 ± 11.9) Mpc |
| history | |
| discovery | Albert Marth |
| Discovery date | October 5, 1864 |
| Catalog names | |
| NGC 7609 • PGC 71076 • MCG + 01-59-047 • Arp 150 • HCG 95A • VV 20 • | |
NGC 7609 is an elliptical galaxy of Hubble type E / S0? in the constellation Pegasus in the northern sky , which is estimated to be 537 million light years away from the Milky Way and interacts with the galaxy PGC 71077 ( Arp 150 ). Halton Arp organized his catalog of unusual galaxies into groups according to purely morphological criteria. This galaxy belongs to the class galaxies with jets (Arp catalog) .
The object was discovered by Albert Marth on October 5, 1864 .
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