IC 4031
| Galaxy IC 4031 |
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|---|---|
![IC 4031 [1]](https://de.wikipedia.org/wiki/Datei:IC4031_-_SDSS_DR14.jpg)
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| IC 4031 | |
| AladinLite | |
| Constellation | Hunting dogs |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 13 h 00 m 15.480 s |
| declination | + 39 ° 08 ′ 41.80 ″ |
| Appearance | |
| Morphological type | E0 |
| Brightness (visual) | 15.5 mag |
| Brightness (B-band) | 16.5 mag |
| Angular expansion | 0.20 'x 0.2' |
| Surface brightness | 12.1 mag / arcmin² |
| Physical data | |
| Redshift | 0.053445 ± 0.000110 |
| Radial velocity | 16,022 ± 33 km / s |
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Stroke distance v rad / H 0 |
(718 ± 50) x 10 6 ly (220.2 ± 15.4) Mpc |
| history | |
| discovery | Max Wolf |
| Discovery date | March 21, 1903 |
| Catalog names | |
| IC IC 4031 • 2MASX J13001542 + 3908422 • 2MASS J13001537 + 3908423 • NSA 89880 • SDSS J130015.47 + 390841.8 • WISEA J130015.48 + 390841.6 | |
IC 4031 is an elliptical galaxy from the Hubble type E0 in the constellation hunting dogs on the northern sky . It is estimated to be 718 million light years from the Milky Way and about 40,000 light years in diameter.
In the same region of the sky there are u. a. the galaxies IC 3980 , IC 4001 , IC 4037 , IC 4063 .
The object was discovered by Max Wolf on March 21, 1903 .