NGC 3684
| Galaxy NGC 3684 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | lion |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 11 h 27 m 11.2 s |
| declination | + 17 ° 01 ′ 49 ″ |
| Appearance | |
| Morphological type | SA (rs) bc / HII |
| Brightness (visual) | 11.4 mag |
| Brightness (B-band) | 12.3 mag |
| Angular expansion | 3.1 ′ × 2.1 ′ |
| Position angle | 130 ° |
| Surface brightness | 13.4 mag / arcmin² |
| Physical data | |
| Affiliation |
NGC 3626 group LGG 237 |
| Redshift | 0.003879 ± 0.000013 |
| Radial velocity | 1163 ± 4 km / s |
|
Stroke distance v rad / H 0 |
(49 ± 4) · 10 6 ly (15.0 ± 1.1) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | March 17, 1831 |
| Catalog names | |
| NGC 3684 • UGC 6453 • PGC 35224 • CGCG 096-047 • MCG + 03-29-050 • IRAS 11245 + 1718 • 2MASX J11271117 + 1701491 • GALEX ASC J112711.24 + 170147.0 • LDCE 778 NED040 | |
NGC 3684 is a spiral galaxy with extensive star formation regions of the Hubble type Sbc in the constellation Leo on the ecliptic . It is estimated to be 49 million light-years away from the Milky Way and has a diameter of 45,000 ly
. a. the galaxies NGC 3681 , NGC 3686 , NGC 3691 .
The object was discovered by John Herschel on March 17, 1831 .