NGC 4493
| Galaxy NGC 4493 |
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|---|---|
![NGC 4493 with LEDA 1170468 (lu) [1] SDSS image](https://de.wikipedia.org/wiki/Datei:NGC4493_-_SDSS_DR14.jpg)
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| NGC 4493 with LEDA 1170468 (lu) SDSS image | |
| AladinLite | |
| Constellation | Virgin |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 12 h 31 m 08.371 s |
| declination | + 00 ° 36 ′ 49.33 ″ |
| Appearance | |
| Morphological type | SA? 0- / pec |
| Brightness (visual) | 14.1 mag |
| Brightness (B-band) | 15.1 mag |
| Angular expansion | 1 ′ × 0.8 ′ |
| Position angle | 164 ° |
| Surface brightness | 13.9 mag / arcmin² |
| Physical data | |
| Redshift | 0.023159 ± 0.000093 |
| Radial velocity | 6943 ± 28 km / s |
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Stroke distance v rad / H 0 |
(306 ± 22) x 10 6 ly (93.9 ± 6.6) Mpc |
| history | |
| discovery | Albert Marth |
| Discovery date | March 22, 1865 |
| Catalog names | |
| NGC 4493 • PGC 41409 • CGCG 014-056 • MCG + 00-32-17 • 2MASX J12310835 + 0036496 • GALEX ASC J123108.49 + 003649.7 • NSA 141556 • WISEA J123108.36 + 003649.3 | |
NGC 4493 is an elliptical galaxy of Hubble type E2 in the constellation Virgo the northern sky . It is estimated to be 306 million light years from the Milky Way and about 90,000 light years in diameter . Together with PGC 1170468 ( NGC 4493-2 ) it forms a tight gravitationally bound galaxy pair .
In the same area of the sky is u. a. the galaxy NGC 4437 .
The object was discovered on March 22, 1865 by the astronomer Albert Marth .