NGC 4641
| Galaxy NGC 4641 |
|
|---|---|
|
|
| SDSS | |
| AladinLite | |
| Constellation | Virgin |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 12 h 43 m 07.6 s |
| declination | + 12 ° 03 ′ 04 ″ |
| Appearance | |
| Morphological type | S0 / HII |
| Brightness (visual) | 13.3 mag |
| Brightness (B-band) | 14.3 mag |
| Angular expansion | 1.2 x 1.0 |
| Position angle | 170 ° |
| Surface brightness | 13.2 mag / arcmin² |
| Physical data | |
| Affiliation | Virgo Cluster NGC 4168 -Group LGG 285 |
| Redshift | 0.006708 ± 0.000006 |
| Radial velocity | 2011 ± 2 km / s |
|
Stroke distance v rad / H 0 |
(88 ± 6) x 10 6 ly (26.9 ± 1.9) Mpc |
| history | |
| discovery | Lewis Swift |
| Discovery date | April 17, 1887 |
| Catalog names | |
| NGC 4641 • UGC 7889 • PGC 42769 • CGCG 071-011 • MCG + 02-32-191 • 2MASX J12430765 + 1203039 • VCC 1955 • | |
NGC 4641 is a lenticular galaxy with extensive star formation from Hubble type S0 in the constellation Virgo to the ecliptic . It is an estimated 88 million light years away from the Milky Way and about 35,000 light years in diameter. It is listed as a member of the Virgo galaxy cluster under catalog number VCC 1955 .
In the same area of the sky are the galaxies NGC 4640 , IC 3672 , IC 3684 , IC 3710 .
The object was discovered by Lewis A. Swift on April 17, 1887 .
Web links
- NGC 4641. SIMBAD , accessed January 28, 2015 .
- NGC 4641. DSO Browser, accessed January 28, 2015 .
- Auke Slotegraaf : NGC 4641. Deep Sky Observer's Companion, accessed January 28, 2015 .