NGC 1024
| Galaxy NGC 1024 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Aries |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 02 h 39 m 11.9 s |
| declination | + 10 ° 50 ′ 49 ″ |
| Appearance | |
| Morphological type | (R ') SA (r) from |
| Brightness (visual) | 12.3 mag |
| Brightness (B-band) | 13.1 mag |
| Angular expansion | 3.9 ′ × 1.5 ′ |
| Position angle | 155 ° |
| Surface brightness | 14.1 mag / arcmin² |
| Physical data | |
| Affiliation | LGG 69 |
| Redshift | 0.011778 ± 0.000020 |
| Radial velocity | (3531 ± 6) km / s |
|
Stroke distance v rad / H 0 |
(160 ± 11) · 10 6 ly (49.0 ± 3.4) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | September 18, 1786 |
| Catalog names | |
| NGC 1024 • UGC 2142 • PGC 10048 • CGCG 439-022 • MCG + 02-07-020 • IRAS 02365 + 1037 • 2MASX J02391196 + 1050485 • Arp 333 • GC 576 • H II 592 • h 243 • HIPASS J0239 + 10 • LDCE 180 NED002 | |
NGC 1024 is a spiral galaxy of Hubble type Sab in the constellation Aries north of the ecliptic . It is an estimated 160 million light years away from the Milky Way and has a diameter of about 180,000 ly. Together with NGC 990 and NGC 1029 , it forms the small NGC 1012 group ( LGG 69 ).
Halton Arp organized his catalog of unusual galaxies into groups according to purely morphological criteria. This galaxy belongs to the class Various (Arp catalog) . In the same area of the sky is u. a. the galaxy NGC 1028 .
The object was discovered by Wilhelm Herschel on September 18, 1786 .
NGC 1012 group ( LGG 69 )
| Galaxy | Alternative name | Distance / million Lj |
|---|---|---|
| NGC 1024 | PGC 10048 | 160 |
| NGC 990 | PGC 9890 | 159 |
| NGC 1029 | PGC 10078 | 164 |
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