NGC 4538
| Galaxy NGC 4538 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | Virgin |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 12 h 34 m 40.9 s |
| declination | + 03 ° 19 ′ 25 ″ |
| Appearance | |
| Morphological type | S pec |
| Brightness (visual) | 14.4 mag |
| Brightness (B-band) | 15.2 mag |
| Angular expansion | 0.7 ′ × 0.3 ′ |
| Position angle | 81 ° |
| Surface brightness | 12.6 mag / arcmin² |
| Physical data | |
| Affiliation | Virgo cluster (?) |
| Redshift | 0.015587 ± 0.000013 |
| Radial velocity | 4673 ± 4 km / s |
|
Stroke distance v rad / H 0 |
(205 ± 14) x 10 6 ly (62.9 ± 4.4) Mpc |
| history | |
| discovery | Albert Marth |
| Discovery date | March 22, 1865 |
| Catalog names | |
| NGC 4538 • PGC 41850 • CGCG 042-161 • MCG + 01-32-105 • IRAS 12320 + 0336 • VCC 1576 • GC 5662 • NVSS J123440 + 031918 | |
NGC 4538 is a spiral galaxy of Hubble type Sb in the constellation Virgo to the ecliptic . It is an estimated 205 million light years away from the Milky Way and about 45,000 light years in diameter. It is listed as a member of the Virgo galaxy cluster under catalog number VCC 1576 , but is too far away for that.
In the same area of the sky are u. a. the galaxies NGC 4505 , NGC 4527 , NGC 4544 , IC 3474 .
The object was discovered on March 22, 1865 by the astronomer Albert Marth .