NGC 2377
| Galaxy NGC 2377 |
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|---|---|
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| Photo from the Hubble Space Telescope | |
| AladinLite | |
| Constellation | unicorn |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 07 h 24 m 56.8 s |
| declination | -09 ° 39 ′ 34 ″ |
| Appearance | |
| Morphological type | SA (s) c: / HII |
| Brightness (visual) | 12.8 mag |
| Brightness (B-band) | 13.5 likes |
| Angular expansion | 1.7 ′ × 1.3 ′ |
| Position angle | 170 ° |
| Surface brightness | 13.5 mag / arcmin² |
| Physical data | |
| Redshift | 0.008189 ± 0.000010 |
| Radial velocity | 2455 ± 3 km / s |
|
Stroke distance v rad / H 0 |
(102 ± 7) · 10 6 ly (31.3 ± 2.2) Mpc |
| history | |
| discovery | Édouard Jean-Marie Stephan |
| Discovery date | January 19, 1874 |
| Catalog names | |
| NGC 2377 • PGC 20948 • IRAS 07225-0933 • 2MASX J07245681-0939336 • UGCA 132 • 3C 178 • CGMW 1-839 | |
NGC 2377 is a spiral galaxy with extensive star formation regions of the Hubble-type Sc in the constellation Unicorn south of the celestial equator . It is estimated to be 102 million light years from the Milky Way and about 55,000 light years in diameter.
The object was discovered on January 19, 1874 by the astronomer Édouard Jean-Marie Stephan with an 80 cm telescope.