NGC 5940
| Galaxy NGC 5940 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | Snake |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 15 h 31 m 18.1 s |
| declination | + 07 ° 27 ′ 28 ″ |
| Appearance | |
| Morphological type | SBab / Sy 1 |
| Brightness (visual) | 13.7 mag |
| Brightness (B-band) | 14.5 mag |
| Angular expansion | 0.8 ′ × 0.8 ′ |
| Surface brightness | 13.1 mag / arcmin² |
| Physical data | |
| Redshift | 0.033930 ± 0.000070 |
| Radial velocity | (10,172 ± 21) km / s |
|
Stroke distance v rad / H 0 |
(457 ± 32) · 10 6 ly (140.0 ± 9.8) Mpc |
| history | |
| discovery | Lewis A. Swift |
| Discovery date | April 19, 1887 |
| Catalog names | |
| NGC 5940 • UGC 9876 • PGC 55295 • CGCG 050-007 • MCG + 01-39-25 • IRAS 15288 + 0737 • 2MASX J15311810 + 0727276 • | |
NGC 5940 is a barred spiral galaxy of the Hubble type SBab in the constellation Snake in the northern sky . It is an estimated 457 million light years from the Milky Way , has a disk diameter of about 110,000 ly, and is classified as a Seyfert 1 galaxy .
The object was discovered on April 19, 1887 by the astronomer Lewis A. Swift using his 16-inch reflector telescope and was later added to his New General Catalog by Johan Dreyer .
Web links
Commons : NGC 5940 - collection of images, videos, and audio files
