NGC 4440
| Galaxy NGC 4440 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | Virgin |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 12 h 27 m 53.6 s |
| declination | + 12 ° 17 ′ 36 ″ |
| Appearance | |
| Morphological type | SB (rs) a |
| Brightness (visual) | 11.9 likes |
| Brightness (B-band) | 12.8 mag |
| Angular expansion | 1.8 ′ × 1.6 ′ |
| Position angle | 3 ° |
| Surface brightness | 12.9 mag / arcmin² |
| Physical data | |
| Affiliation |
Virgo cluster LGG 292 |
| Redshift | 0.002415 +/- 0.000060 |
| Radial velocity | (724 +/- 18) km / s |
|
Stroke distance v rad / H 0 |
(30 ± 2) x 10 6 ly (9.17 ± 0.69) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | April 17, 1784 |
| Catalog names | |
| NGC 4440 • UGC 7581 • PGC 40927 • MCG + 02-32-067 • 2MASX J12275357 + 1217354 • VCC 1047 • GC 2993 • H II 173 • h 1276 • LDCE 0904 NED127 | |
NGC 4440 is a barred spiral galaxy of the Hubble type SB (rs) a in the constellation Virgo in the northern sky , which is an estimated 30 million light years away from the Milky Way . It forms an optical trio with NGC 4431 and NGC 4436 and is part of the Virgo galaxy cluster .
The object was discovered by Wilhelm Herschel on April 17, 1784 .