NGC 865
| Galaxy NGC 865 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | whale |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 02 h 16 m 15.1 s |
| declination | + 28 ° 35 ′ 59 ″ |
| Appearance | |
| Morphological type | S? |
| Brightness (visual) | 13.2 mag |
| Brightness (B-band) | 14.1 mag |
| Angular expansion | 1.5 ′ × 0.4 ′ |
| Position angle | 165 ° |
| Surface brightness | 12.5 mag / arcmin² |
| Physical data | |
| Redshift | 0.009990 +/- 0.000023 |
| Radial velocity | 2995 +/- 7 km / s |
|
Stroke distance v rad / H 0 |
(139 ± 10) · 10 6 ly (42.5 ± 3.0) Mpc |
| history | |
| discovery | Edouard Stephan |
| Discovery date | September 9, 1871 |
| Catalog names | |
| NGC 865 • UGC 1747 • PGC 8678 • CGCG 504-042 • MCG + 05-06-020 • IRAS 02133 + 2822 • 2MASX J02161510 + 2835590 • | |
NGC 865 is a galaxy in the constellation Whale south of the ecliptic . It is estimated to be 139 million light years from the Milky Way and about 60,000 ly in diameter.
The object was on 9 September 1871 by the astronomer Edouard Stephan using a 80-cm - telescope discovered.
Web links
Individual evidence