IC 3643
| Galaxy IC 3643 |
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|---|---|
![IC 3643 [1] SDSS image](https://de.wikipedia.org/wiki/Datei:IC3643_-_SDSS_DR14.jpg)
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| IC 3643 SDSS image | |
| AladinLite | |
| Constellation | Virgin |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 12 h 40 m 40.869 s |
| declination | + 12 ° 24 ′ 23.73 ″ |
| Appearance | |
| Morphological type | SB |
| Brightness (visual) | 15.4 mag |
| Brightness (B-band) | 16.2 mag |
| Angular expansion | 0.50 '× 0.4' |
| Position angle | 90 ° |
| Surface brightness | 13.5 mag / arcmin² |
| Physical data | |
| Redshift | 0.041098 ± 0.000086 |
| Radial velocity | 12,321 ± 26 km / s |
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Stroke distance v rad / H 0 |
(548 ± 38) · 10 6 ly (168.1 ± 11.8) Mpc |
| history | |
| discovery | Royal H. Frost |
| Discovery date | May 10, 1904 |
| Catalog names | |
| IC 3643 • PGC 1408965 • 2MASX J12404087 + 1224237 • SDSS J124040.86 + 122423.7 • NSA 070343 • WISEA J124040.86 + 122423.8 | |
IC 3643 is a bar-spiral galaxy of the Hubble type SB in the constellation Virgo on the ecliptic . It is an estimated 548 million light years from the Milky Way and about 80,000 light years in diameter.
In the same area of the sky are u. a. the galaxies NGC 4606 , IC 810 , IC 3635 , IC 3663 .
The object was discovered by Royal Harwood Frost on May 10, 1904 .