NGC 4459
| Galaxy NGC 4459 |
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|---|---|
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| AladinLite | |
| Constellation | Berenike's hair |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 12 h 29 m 00.0 s |
| declination | + 13 ° 58 ′ 42 ″ |
| Appearance | |
| Morphological type | SA (r) 0+ / HII / LINER |
| Brightness (visual) | 10.4 mag |
| Brightness (B-band) | 11.3 mag |
| Angular expansion | 3.5 ′ × 2.7 ′ |
| Position angle | 110 ° |
| Surface brightness | 12.7 mag / arcmin² |
| Physical data | |
| Affiliation | Virgo cluster Messier 87 group NGC 4639 group LGG 289 |
| Redshift | 0.003976 ± 0.000017 |
| Radial velocity | 1192 ± 5 km / s |
|
Stroke distance v rad / H 0 |
(51 ± 4) · 10 6 ly (15.7 ± 1.1) Mpc |
| diameter | 60,000 ly |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | January 14, 1787 |
| Catalog names | |
| NGC 4459 • UGC 7614 • PGC 41104 • CGCG 070-116 • MCG + 02-32-083 • IRAS 12264 + 1415 • 2MASX J12290002 + 1358428 • VCC 1154 • GC 3012 • H I 161 • h 1288 • GALEX ASC J122900.07 +135842.5 • LDCE 904 NED138 • EVCC 2130 | |
NGC 4459 is an active lenticular galaxy with extensive star formation regions of the Hubble type S0 / a in the constellation Haar der Berenike in the northern sky . It is estimated to be 51 million light-years from the Milky Way and about 55,000 light-years across. A black hole with an estimated 70 million solar masses is suspected in its center.
It is listed under the catalog name VCC 1154 as a member of the Virgo galaxy cluster and, when viewed from Earth, forms a trio with NGC 4468 and NGC 4474 , which is in the extension of the original Markarian chain and at the end of this extension.
In the same area of the sky are u. a. the galaxies NGC 4446 , NGC 4447 , NGC 4468 , NGC 4474 .
Although it is a comparatively bright galaxy, it was not included in the Messier catalog . The object was discovered by Wilhelm Herschel on January 14, 1787 .
