NGC 2581
| Galaxy NGC 2581 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | cancer |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 08 h 24 m 30.9 s |
| declination | + 18 ° 35 ′ 50 ″ |
| Appearance | |
| Morphological type | SB? |
| Brightness (visual) | 13.5 likes |
| Brightness (B-band) | 14.3 mag |
| Angular expansion | 1.1 ′ × 0.8 ′ |
| Position angle | 10 ° |
| Surface brightness | 13.2 mag / arcmin² |
| Physical data | |
| Redshift | 0.019720 ± 0.000033 |
| Radial velocity | 5912 ± 10 km / s |
|
Stroke distance v rad / H 0 |
(260 ± 18) · 10 6 ly (79.7 ± 5.6) Mpc |
| history | |
| discovery | Édouard Stephan |
| Discovery date | March 7, 1885 |
| Catalog names | |
| NGC 2581 • UGC 4388 • PGC 23599 • CGCG 089-019 • MCG + 03-22-010 • IRAS 08216 + 1845 • 2MASX J08243097 + 1835494 • GALEX ASC J082430.90 + 183549.8 | |
NGC 2581 is a spiral galaxy of Hubble type SB? in the constellation Cancer on the ecliptic . It is estimated to be 260 million ly. From the Milky Way and has a diameter of about 85,000 ly.
The galaxies IC 2337 and IC 2340 are in the same area of the sky .
The object was discovered on March 7, 1885 by Édouard Stephan .