IC 3021
| Galaxy IC 3021 |
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|---|---|
![IC 3021 with LEDA 1421628 (r) [1]](https://de.wikipedia.org/wiki/Datei:IC3021_-_SDSS_DR14.jpg)
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| IC 3021 with LEDA 1421 628 (r) | |
| AladinLite | |
| Constellation | Virgin |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 12 h 09 m 54.573 s |
| declination | + 13 ° 02 ′ 59.92 ″ |
| Appearance | |
| Morphological type | Sm / LINER / HII |
| Brightness (visual) | 14.3 mag |
| Brightness (B-band) | 14.9 mag |
| Angular expansion | 0.90 'x 0.6' |
| Position angle | 0 ° |
| Surface brightness | 13.5 mag / arcmin² |
| Physical data | |
| Affiliation | Virgo cluster NGC 4501 group LGG 285 |
| Redshift | 0.008443 ± 0.000003 |
| Radial velocity | 2531 ± 1 km / s |
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Stroke distance v rad / H 0 |
(110 ± 8) x 10 6 ly (33.8 ± 2.4) Mpc |
| history | |
| discovery | Royal H. Frost |
| Discovery date | May 7, 1904 |
| Catalog names | |
| IC 3021 • UGC 7149 • PGC 38684 • CGCG 069-067 • VCC 15 • GALEX ASC J120954.53 + 130300.7 • NSA 169829 • USGC U466 NED06 • WISEA J120954.58 + 130300.1 • EVCC 118 | |
IC 3021 is an active spiral galaxy of the Hubble type Sab with extensive star formation areas in the constellation Virgo on the ecliptic . It is estimated to be 110 million light years from the Milky Way and about 30,000 light years in diameter. It is listed as a member of the Virgo Galaxy Cluster under catalog number VCC 15 , but is too far away for that.
The galaxies NGC 4164 , IC 3018 , IC 3029 , IC 3031 are located in the same area of the sky .
The object was discovered on May 7, 1904 by the American astronomer Royal Harwood Frost .