NGC 807
| Galaxy NGC 807 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | triangle |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 02 h 04 m 55.6 s |
| declination | + 28 ° 59 ′ 15 ″ |
| Appearance | |
| Morphological type | E. |
| Brightness (visual) | 12.5 mag |
| Brightness (B-band) | 13.5 likes |
| Angular expansion | 1.8 ′ × 1.3 ′ |
| Position angle | 145 ° |
| Surface brightness | 13.5 mag / arcmin² |
| Physical data | |
| Affiliation | LGG 43 |
| Redshift | 0.015891 ± 0.000040 |
| Radial velocity | 4764 ± 12 km / s |
|
Stroke distance v rad / H 0 |
(218 ± 15) x 10 6 ly (66.8 ± 4.7) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | September 11, 1784 |
| Catalog names | |
| NGC 807 • UGC 1571 • PGC 7934 • CGCG 503-084 / 504-006 • MCG + 05-06-001 • IRAS 02020 + 2844 • 2MASX J02045567 + 2859144 • GC 484 • H III 151 • h 191 • GALEX ASC J020455. 79 + 285914.1 • LDCE 129 NED020 | |
NGC 807 is an elliptical galaxy of the Hubble type E3 in the constellation Triangle in the northern sky . It is estimated to be 218 million light years away from the Milky Way and has a diameter of about 115,000 ly.
In the same area of the sky are the galaxies NGC 784 , NGC 805 , NGC 816 , NGC 819 , among others .
The object was discovered on September 11, 1784 by the German-British astronomer Wilhelm Herschel .
Web links
- SIMBAD Astronomical Database
- Auke Slotegraaf: NGC 807. Deep Sky Observer's Companion, accessed on March 22, 2016 (English).
- NGC 807. DSO Browser, accessed March 22, 2016 .