IC 838
| Galaxy IC 838 |
|
|---|---|
![with LEDA 1775617 (l.) & NGC 4849 (u) [1]](https://de.wikipedia.org/wiki/Datei:IC838_-_SDSS_DR14.jpg)
|
|
| with LEDA 1775617 (l.) & NGC 4849 (u) | |
| AladinLite | |
| Constellation | Berenike's hair |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 12 h 58 m 13.569 s |
| declination | + 26 ° 25 ′ 36.76 ″ |
| Appearance | |
| Morphological type | S0 / a / LINER |
| Brightness (visual) | 15.1 mag |
| Brightness (B-band) | 15.9 mag |
| Angular expansion | 0.5 ′ × 0.5 ′ |
| Surface brightness | 13.4 mag / arcmin² |
| Physical data | |
| Redshift | 0.069181 ± 0.000110 |
| Radial velocity | 20,740 ± 33 km / s |
|
Stroke distance v rad / H 0 |
(927 ± 65) · 10 6 Lj (284.2 ± 19.9) Mpc |
| history | |
| discovery | Rudolf Spitaler |
| Discovery date | February 24, 1892 |
| Catalog names | |
| IC 838 • PGC 44444 • MCG + 05-31-043 • 2MASX J12581357 + 2625366 • GALEX ASC J125813.57 + 262537.9 • HOLM 495B • WISEA J125813.56 + 262536.7 | |
IC 838 (also NGC 4849A ) is a bar-spiral galaxy of the Hubble type SB with an active galaxy core in the constellation Coma Berenices in the northern sky . It is estimated to be 927 million light years from the Milky Way and about 140,000 light years in diameter. Together with NGC 4849 , it forms the optical galaxy pair Holm 495 .
In the same area of the sky are u. a. the galaxies NGC 4859 , IC 835 , IC 837 , IC 834 .
The object was discovered by Rudolf Spitaler on February 24, 1892 .