NGC 722
| Galaxy NGC 722 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | Aries |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 01 h 54 m 46.9 s |
| declination | + 20 ° 41 ′ 54 ″ |
| Appearance | |
| Morphological type | Sbc |
| Brightness (visual) | 13.6 mag |
| Brightness (B-band) | 14.4 mag |
| Angular expansion | 1.70 × 0.5 |
| Position angle | 138 ° |
| Surface brightness | 13.3 mag / arcmin² |
| Physical data | |
| Redshift | 0.016348 +/- 0.000017 |
| Radial velocity | 4901 +/- 5 km / s |
|
Stroke distance v rad / H 0 |
(223 ± 16) · 10 6 ly (68.5 ± 4.8) Mpc |
| history | |
| discovery | Heinrich Louis d'Arrest |
| Discovery date | December 2, 1861 |
| Catalog names | |
| NGC 722 • UGC 1379 • PGC 7098 • CGCG 460-046 • MCG + 03-05-032 • IRAS F01519 + 2027 • 2MASX J01544693 + 2041537 • GC 434 • UZC J015447.1 + 204154 • LDCE 0120 NED001 | |
NGC 722 is a spiral galaxy from the Hubble type Sbc in the constellation ram on the ecliptic . It is estimated to be 223 million light years from the Milky Way and about 105,000 light years in diameter .
The galaxy NGC 719 is located in the same area of the sky .
The object was discovered on December 2, 1861 by the German-Danish astronomer Heinrich Louis d'Arrest .
Web links
- SIMBAD Astronomical Database
- Auke Slotegraaf: NGC 722. Deep Sky Observer's Companion, accessed November 7, 2015 .