NGC 4744
| Galaxy NGC 4744 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | centaur |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 12 h 52 m 19.6 s |
| declination | -41 ° 03 ′ 37 ″ |
| Appearance | |
| Morphological type | (L) SB (l) 0 ^ + |
| Brightness (visual) | 12.7 mag |
| Brightness (B-band) | 13.8 mag |
| Angular expansion | 2.1 ′ × 1.0 ′ |
| Position angle | 122 ° |
| Surface brightness | 13.4 mag / arcmin² |
| Physical data | |
| Affiliation | Abell 3526 |
| Redshift | 3358 +/- 16 |
| Radial velocity | 0.011201 +/- 0.000053 km / s |
|
Stroke distance v rad / H 0 |
(142 ± 10) · 10 6 ly (43.6 ± 3.1) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | June 8, 1834 |
| Catalog names | |
| NGC 4744 • PGC 43661 • ESO 323-22 • MCG -07-27-006 • 2MASX J12521960-4103358 • SGC 124933-4047.3 • GC 3264 • h 3433 • LEDA 43661 • LDCE 0916 NED111 | |
NGC 4744 is a 12.7 mag bright, lens-shaped galaxy of the Hubble-type SB0-a in the constellation Centaur in the southern sky . It is estimated to be 142 million light years from the Milky Way and about 90,000 light years in diameter .
In the same area of the sky are u. a. the galaxies NGC 4706 , NGC 4729 , NGC 4730 , NGC 4743 .
The object was discovered on March 3, 1867 by John Herschel with an 18-inch reflector telescope, which it labeled “F, L, E, gbM; has two more nebulae preceding, a little to south “.