NGC 2722
| Galaxy NGC 2722 / NGC 2733 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Water snake |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 08 h 58 m 46.2 s |
| declination | -03 ° 42 ′ 36 ″ |
| Appearance | |
| Morphological type | SA (rs) bc / HII |
| Brightness (visual) | 12.7 mag |
| Brightness (B-band) | 13.5 likes |
| Angular expansion | 2 ′ × 1.3 ′ |
| Position angle | 64 ° |
| Surface brightness | 13.6 mag / arcmin² |
| Physical data | |
| Redshift | 0.009206 ± 0.000010 |
| Radial velocity | 2760 ± 3 km / s |
|
Stroke distance v rad / H 0 |
(116 ± 8) x 10 6 ly (35.5 ± 2.5) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | January 6, 1785 |
| Catalog names | |
| NGC 2722 • 2733 • PGC 25221 • MCG -01-23-014 • IRAS 08562-0330 • 2MASX J08584617-0342363 • GC 1740/1744 • H III 264 • h 547 • GALEX ASC J085846.26-034237.4 | |
NGC 2722 = NGC 2733 is a spiral galaxy with extensive star formation regions of the Hubble type Sbc in the constellation Water Snake south of the ecliptic . It is estimated to be 116 million light years from the Milky Way and about 70,000 light years in diameter .
The galaxies NGC 2698 , NGC 2699 , NGC 2708 , NGC 2709 are in the same area of the sky .
The object was discovered by Wilhelm Herschel on January 6, 1785 .
Web links
Commons : NGC 2722 - collection of images, videos, and audio files
