NGC 4788
| Galaxy NGC 4788 |
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|---|---|
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| SDSS | |
| AladinLite | |
| Constellation | Berenike's hair |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 12 h 54 m 16.0 s |
| declination | + 27 ° 18 ′ 13 ″ |
| Appearance | |
| Morphological type | S? |
| Brightness (visual) | 14.5 mag |
| Brightness (B-band) | 15.4 mag |
| Angular expansion | 0.8 x 0.3 |
| Position angle | 141 ° |
| Surface brightness | 13.0 mag / arcmin² |
| Physical data | |
| Affiliation | Abell 1656 |
| Redshift | 0.021391 ± 0.000070 |
| Radial velocity | 6413 ± 21 km / s |
|
Stroke distance v rad / H 0 |
(287 ± 20) x 10 6 ly (88.0 ± 6.2) Mpc |
| history | |
| discovery | Heinrich d'Arrest |
| Discovery date | April 23, 1865 |
| Catalog names | |
| NGC 4788 • PGC 43874 • CGCG 159-112 • 160-007 • MCG + 05-30-123 • 2MASX J12541602 + 2718131 • GC 5676 • GALEX MSC J125415.98 + 271814.3 • LDCE 926 NED016 | |
NGC 4788 is a 14.5 mag bright lenticular galaxy of the Hubble type SB0 / a in the constellation Haar der Berenike in the northern sky . It is an estimated 287 million light years away from the Milky Way and has a diameter of about 70,000 ly. The galaxy is a member of the Coma galaxy cluster Abell 1656 .
In the same area of the sky are u. a. the galaxies NGC 4787 , NGC 4789 , NGC 4797 , IC 3900 .
The object was discovered on April 23, 1865 by Heinrich Louis d'Arrest .
Web links
- NGC 4788. SIMBAD, accessed February 13, 2015 .
- NGC 4788. DSO Browser, accessed February 13, 2015 .
- Auke Slotegraaf: NGC 4788. Deep Sky Observer's Companion, accessed February 13, 2015 .
- SIMBAD Astronomical Database