IC 3638
| Galaxy IC 3638 |
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|---|---|
![IC 3638 [1]](https://de.wikipedia.org/wiki/Datei:IC3638_-_SDSS_DR14.jpg)
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| IC 3638 | |
| AladinLite | |
| Constellation | Virgin |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 12 h 40 m 16.599 s |
| declination | + 10 ° 31 ′ 06.73 ″ |
| Appearance | |
| Morphological type | Sbc (r) II |
| Brightness (visual) | 14.3 mag |
| Brightness (B-band) | 15.1 mag |
| Angular expansion | 0.90 'x 0.7' |
| Position angle | 120 ° |
| Surface brightness | 13.6 mag / arcmin² |
| Physical data | |
| Affiliation | Virgo cluster (?) Isolated |
| Redshift | 0.021552 ± 0.000005 |
| Radial velocity | 6461 ± 1 km / s |
|
Stroke distance v rad / H 0 |
(286 ± 20) x 10 6 ly (87.8 ± 6.1) Mpc |
| history | |
| discovery | Royal Harwood Frost |
| Discovery date | May 10, 1904 |
| Catalog names | |
| IC 3638 • PGC 42435 • CGCG 070-210 • MCG + 02-32-172 • IRAS F12377 + 1047 • 2MASX J12401660 + 1031064 • VCC 1830 • GALEX MSC J124016.63 + 103106.5 • NSA 170542 • SIG 1083 | |
IC 3638 is a spiral galaxy of Hubble type Sbc in the constellation Virgo to the ecliptic . It is estimated to be 286 million light years from the Milky Way and about 20,000 light years across. It is listed as a member of the Virgo Galaxy Cluster under catalog number VCC 1830 , but is too far away for that.
In the same area of the sky are u. a. the galaxies NGC 4596 , NGC 4608 , IC 3608 , IC 3647 .
The object was discovered by Royal Harwood Frost on May 10, 1904 .