NGC 717
| Galaxy NGC 717 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Andromeda |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 01 h 53 m 55.104 s |
| declination | + 36 ° 13 ′ 46.03 ″ |
| Appearance | |
| Morphological type | S0 / a |
| Brightness (visual) | 14 likes |
| Brightness (B-band) | 14.9 mag |
| Angular expansion | 1.3 ′ × 0.2 ′ |
| Position angle | 117 ° |
| Surface brightness | 12.4 mag / arcmin² |
| Physical data | |
| Affiliation | Abell 262 LGG 37 |
| Redshift | 0.016571 ± 0.000267 |
| Radial velocity | 4968 ± 80 km / s |
|
Stroke distance v rad / H 0 |
(228 ± 16) · 10 6 ly (69.9 ± 5.0) Mpc |
| history | |
| discovery | Bindon B. Stoney |
| Discovery date | October 28, 1850 |
| Catalog names | |
| NGC 717 • UGC 1363 • PGC 7033 • CGCG 522-052 • MCG + 06-05-041 • 2MASX J01535510 + 3613460 • GC 5198 • GALEX ASC J015355.05 + 361346.3 • LDCE 115 NED026 | |
NGC 717 is a lenticular galaxy of the Hubble type S0 / a in the constellation Andromeda in the northern sky . It is an estimated 228 million light-years from the Milky Way and about 85,000 light-years across . The galaxy is a member of the Abell 262 cluster .
The galaxies NGC 708 , NGC 709 , NGC 710 , NGC 714 are located in the same area of the sky .
The object was discovered on October 28, 1850 by Bindon Blood Stoney , an assistant to William Parsons .
Web links
Commons : NGC 717 - collection of images, videos, and audio files
- SIMBAD Astronomical Database
- Auke Slotegraaf: NGC 717. Deep Sky Observer's Companion, accessed November 7, 2015 .