NGC 4807
| Galaxy NGC 4807 |
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|---|---|
![NGC 4807 with LEDA 214040 (o) [1] SDSS](https://de.wikipedia.org/wiki/Datei:NGC4807_-_SDSS_DR14.jpg)
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| NGC 4807 with LEDA 214040 (o) SDSS | |
| AladinLite | |
| Constellation | Berenike's hair |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 12 h 55 m 29.104 s |
| declination | + 27 ° 31 ′ 17.15 ″ |
| Appearance | |
| Morphological type | E / SB0 |
| Brightness (visual) | 13.5 likes |
| Brightness (B-band) | 14.5 mag |
| Angular expansion | 1.0 ′ × 0.8 ′ |
| Position angle | 21 ° |
| Surface brightness | 13.2 mag / arcmin² |
| Physical data | |
| Affiliation |
Abell 1656 WBL 426 |
| Redshift | 0.023313 ± 0.000019 |
| Radial velocity | 6989 ± 6 km / s |
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Stroke distance v rad / H 0 |
(313 ± 22) x 10 6 ly (95.9 ± 6.7) Mpc |
| history | |
| discovery | Heinrich d'Arrest |
| Discovery date | April 23, 1865 |
| Catalog names | |
| NGC 4807 • UGC 8049 • PGC 44037 • CGCG 160-017 • MCG + 05-31-006 • 2MASX J12552907 + 2731169 • GC 5681 • WISEA J125529.10 + 273117.2 • HOLM 488A • LDCE 926 NED020 | |
NGC 4807 is a 13.5 mag bright, elliptical galaxy of the Hubble type E / SB0 in the constellation Coma Berenices in the northern sky . It is an estimated 313 million light years from the Milky Way and about 90,000 light years across. Together with PGC 214040 (also NGC 4807 A ) it forms the (optical) galaxy pair Holm 488 and is a member of the Coma galaxy cluster Abell 1656 .
In the same area of the sky are u. a. the galaxies NGC 4797 , NGC 4798 , NGC 4816 , IC 3900 .
The object was discovered on April 23, 1865 by Heinrich Louis d'Arrest .