NGC 7829
| Galaxy NGC 7829 |
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|---|---|
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|
| AladinLite | |
| Constellation | whale |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 00 h 06 m 29.0 s |
| declination | -13 ° 25 ′ 14 ″ |
| Appearance | |
| Morphological type | S0 / pec (ring A) |
| Brightness (visual) | 13.9 likes |
| Brightness (B-band) | 14.9 mag |
| Angular expansion | 1.1 '× 0.7' |
| Position angle | 130 ° |
| Surface brightness | 13.5 mag / arcmin² |
| Physical data | |
| Redshift | 0.019070 ± 0.000150 |
| Radial velocity | 5717 ± 45 km / s |
|
Stroke distance v rad / H 0 |
(258 ± 18) x 10 6 ly (79.2 ± 5.6) Mpc |
| history | |
| discovery | Francis P. Leavenworth |
| Discovery date | 1886 |
| Catalog names | |
| NGC 7829 • PGC 488 • MCG -02-01-025 NED02 • 2MASX J00062900-1325140 • Arp 144 • VV 272b • GALEX ASC J000628.96-132513.9 | |
NGC 7829 is a lenticular galaxy of the Hubble type S0 in the constellation Whale south of the ecliptic . It is an estimated 258 million light years from the Milky Way and about 75,000 light years in diameter . Together with NGC 7828 , it forms the interacting galaxy pair Arp 144 .
Halton Arp organized his catalog of unusual galaxies into groups according to purely morphological criteria. This galaxy belongs to the class of elliptical galaxies with emanating material (Arp catalog) .
The property was discovered in 1886 by Francis Preserved Leavenworth .
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