NGC 4454
| Galaxy NGC 4454 |
|
|---|---|
|
|
| NGC 4454 & LEDA 214002 (top left), SDSS | |
| AladinLite | |
| Constellation | Virgin |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 12 h 28 m 50.7 s |
| declination | -01 ° 56 ′ 21 ″ |
| Appearance | |
| Morphological type | (R) SB (r) 0 / a |
| Brightness (visual) | 11.9 likes |
| Brightness (B-band) | 12.7 mag |
| Angular expansion | 2.3 '× 2.1' |
| Position angle | 100 ° |
| Surface brightness | 13.0 mag / arcmin² |
| Physical data | |
| Redshift | 0.008029 +/- 0.000033 |
| Radial velocity | 2407 +/- 10 km / s |
|
Stroke distance v rad / H 0 |
(103 ± 7) · 10 6 ly (31.6 ± 2.2) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | April 17, 1784 |
| Catalog names | |
| NGC 4454 • UGC 7606 • PGC 41083 • CGCG 014-048 • MCG + 00-32-014 • IRAS F12262-0139 • 2MASX J12285074-0156209 • GC 3005 • H II 180 • h 1284 • LEDA 41083 • LDCE 895 NED004 | |
NGC 4454 is a lenticular galaxy of the Hubble type SB0 / a in the constellation Virgo on the ecliptic . It is estimated to be 103 million light years from the Milky Way and about 70,000 ly in diameter.
The object was discovered by William Herschel on April 17, 1784 .