NGC 3654
| Galaxy NGC 3654 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Big Bear |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 11 h 24 m 10.7 s |
| declination | + 69 ° 24 ′ 47 ″ |
| Appearance | |
| Morphological type | S? |
| Brightness (visual) | 12.7 mag |
| Brightness (B-band) | 13.6 mag |
| Angular expansion | 1.2 '× 0.6' |
| Position angle | 21 ° |
| Surface brightness | 12.2 mag / arcmin² |
| Physical data | |
| Redshift | 0.005237 ± 0.000030 |
| Radial velocity | (1570 ± 9) km / s |
|
Stroke distance v rad / H 0 |
(75 ± 5) x 10 6 ly (23.1 ± 1.6) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | April 6, 1793 |
| Catalog names | |
| NGC 3654 • UGC 6407 • PGC 35025 • CGCG 334-029 • MCG + 12-11-022 • 2MASX J11223905 + 3745541 • GC 2395 • H II 880 • LDCE 0806 NED002 | |
NGC 3654 is a barred spiral galaxy of the Hubble type S? in the constellation Great Bear in the north star sky . It is estimated to be 75 million light years from the Milky Way .
The object was discovered on April 6, 1793 by Wilhelm Herschel .