NGC 7687
| Galaxy NGC 7687 |
|
|---|---|
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|
| SDSS recording | |
| AladinLite | |
| Constellation | fishes |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 23 h 30 m 54.4 s |
| declination | + 03 ° 32 ′ 48 ″ |
| Appearance | |
| Morphological type | SAB (rs) 0 ^ 0 ^ |
| Brightness (visual) | 13.4 mag |
| Brightness (B-band) | 14.4 mag |
| Angular expansion | 1.3 '× 1.0' |
| Position angle | 75 ° |
| Surface brightness | 13.6 mag / arcmin² |
| Physical data | |
| Redshift | 0.015491 ± 0.000083 |
| Radial velocity | 4644 ± 25 km / s |
|
Stroke distance v rad / H 0 |
(213 ± 15) · 10 6 ly (65.4 ± 4.6) Mpc |
| history | |
| discovery | Heinrich d'Arrest |
| Discovery date | September 21, 1862 |
| Catalog names | |
| NGC 7687 • PGC 71635 • CGCG 380-066 • MCG + 00-59-051 • 2MASX J23305444 + 0332473 • GALEX ASC J233054.39 + 033249.1 • USGC U848 NED01 • NSA 151798 | |
NGC 7687 is a lens-shaped galaxy of the Hubble-type S0 in the constellation Pisces on the ecliptic . It is an estimated 213 million light years away from the Milky Way and about 80,000 light years in diameter.
The galaxies NGC 7679 , NGC 7682 , NGC 7685 are located in the same area of the sky .
The object was discovered on September 21, 1862 by Heinrich Louis d'Arrest .