NGC 7783
| Galaxy NGC 7783 |
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|---|---|
![NGC 7783 with LEDA 72806 (o), LEDA 72808 (l), LEDA 72810 and SDSS J235412.56 + 002113.3 (lu) [1] SDSS holder](https://de.wikipedia.org/wiki/Datei:NGC7783_-_SDSS_DR14.jpg)
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| NGC 7783 with LEDA 72806 (o), LEDA 72808 (l), LEDA 72810 and SDSS J235412.56 + 002113.3 (lu) SDSS image | |
| AladinLite | |
| Constellation | fishes |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 23 h 54 m 11.0 s |
| declination | + 00 ° 22 ′ 48 ″ |
| Appearance | |
| Morphological type | SB0 / Sy1 |
| Brightness (visual) | 13.0 likes |
| Brightness (B-band) | 14.0 mag |
| Angular expansion | 1.3 ′ × 0.6 ′ |
| Position angle | 100 ° |
| Surface brightness | 12.6 mag / arcmin² |
| Physical data | |
| Redshift | 0.026508 ± 0.000057 |
| Radial velocity | (7947 ± 17) km / s |
|
Stroke distance v rad / H 0 |
(360 ± 25) x 10 6 ly (110.4 ± 7.7) Mpc |
| history | |
| discovery | Albert Marth |
| Discovery date | September 9, 1864 |
| Catalog names | |
| NGC 7783 • UGC 12837 • PGC 72803 • CGCG 381-060 • MCG + 00-60-058 • IRAS 23535 + 0016 • 2MASX J23541007 + 0022587 • Arp 323 • HCG 98A • GALEX ASC J235410.07 + 002259.5 • KPG 595 | |
NGC 7783 is a lens-shaped galaxy of the Hubble type S0 with an active galaxy core in the constellation Pisces on the ecliptic . It is estimated to be 360 million light years away from the Milky Way and about 140,000 light years in diameter. The galaxy belongs to the galaxy group Arp 323 or HCG 98 .
Halton Arp organized his catalog of unusual galaxies into groups according to purely morphological criteria. This group of galaxies belongs to the class chains of galaxies .
The object was discovered by Albert Marth on September 9, 1864 .
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