NGC 742
| Galaxy NGC 742 |
|
|---|---|
|
|
| SDSS image of NGC 741 (m.), NGC 742 (l.) & PGC 7250 (above) | |
| AladinLite | |
| Constellation | fishes |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 01 h 56 m 24.2 s |
| declination | + 05 ° 37 ′ 36 ″ |
| Appearance | |
| Morphological type | cE0: |
| Brightness (visual) | 14.3 mag |
| Brightness (B-band) | 15.3 mag |
| Angular expansion | 0.3 ′ × 0.3 ′ |
| Surface brightness | 11.8 mag / arcmin² |
| Physical data | |
| Redshift | 0.019910 +/- 0.000080 |
| Radial velocity | 5969 +/- 24 km / s |
|
Stroke distance v rad / H 0 |
(269 ± 19) · 10 6 ly (82.5 ± 5.8) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | December 13, 1784 |
| Catalog names | |
| NGC 742 • UGC 1413 • PGC 7264 • CGCG 413-009 • MCG + 01-06-04 • 2MASX J01562414 + 0537355 • VV 175 • GC 449 • H II 272 • h 173 • 3ZW 38 • Z 0153.9 + 0523 | |
NGC 742 is an elliptical galaxy in the constellation Pisces , which is approximately 269 million light years from the Milky Way .
It was discovered on December 13, 1784 by the German-British astronomer Friedrich Wilhelm Herschel .
Web links
- SIMBAD Astronomical Database
- Auke Slotegraaf: NGC 742. Deep Sky Observer's Companion, accessed on February 21, 2016 (English).
- NGC 742. DSO Browser, accessed February 21, 2016 .