NGC 3688
| Galaxy NGC 3688 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | cups |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 11 h 27 m 44.4 s |
| declination | -09 ° 09 ′ 56 ″ |
| Appearance | |
| Morphological type | (R ') SB (rs) b |
| Brightness (visual) | 14.3 mag |
| Brightness (B-band) | 15.1 mag |
| Angular expansion | 1.2 ′ × 0.9 ′ |
| Position angle | 20 ° |
| Surface brightness | 14.2 mag / arcmin² |
| Physical data | |
| Redshift | 0.022115 ± 0.000097 |
| Radial velocity | 6630 ± 29 km / s |
|
Stroke distance v rad / H 0 |
(290 ± 20) x 10 6 ly (88.8 ± 6.2) Mpc |
| history | |
| discovery | Andrew A. Common |
| Discovery date | 1880 |
| Catalog names | |
| NGC 3688 • PGC 35269 • MCG -01-29-024 • IRAS F11252-0853 • KUG 1125-088 • 2MASX J11274443-0909560 • GALEX ASC J112744.38-090954.5 • USGC S169 NED05 | |
NGC 3688 is a spiral galaxy of Hubble type Sb in the constellation cup at the southern sky . It is estimated to be 290 million light years from the Milky Way and about 100,000 light years across .
In the same area of the sky are u. a. the galaxies NGC 3672 , NGC 3702 , NGC 3703 .
The property was discovered by Andrew Ainslie Common in 1880 .