NGC 649
| Galaxy NGC 649 |
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|---|---|
|
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| LEDA 992911 (lu) & SDSS recording | |
| AladinLite | |
| Constellation | whale |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 01 h 40 m 7.4 s |
| declination | -09 ° 16 ′ 20 ″ |
| Appearance | |
| Morphological type | Sat |
| Brightness (visual) | 14.3 mag |
| Brightness (B-band) | 15.2 mag |
| Angular expansion | 0.9 ′ × 0.3 ′ |
| Position angle | 20 ° |
| Surface brightness | 12.7 mag / arcmin² |
| Physical data | |
| Redshift | 7457 ± 7 |
| Radial velocity | 0.024874 ± 0.000023 km / s |
|
Stroke distance v rad / H 0 |
(334 ± 23) x 10 6 ly (102.5 ± 7.2) Mpc |
| history | |
| discovery | Francis P. Leavenworth |
| Discovery date | 1886 |
| Catalog names | |
| NGC 649 • PGC 6169 • MCG -02-05-034 • 2MASX J01400745-0916196 • GALEX ASC J014007.47-091619.5 | |
NGC 649 is a spiral galaxy of Hubble type Sa in the constellation Cetus south of the ecliptic . It is estimated to be 334 million light years away from the Milky Way and has a diameter of around 90,000 ly.
In the same area of the sky are the galaxies NGC 640 and NGC 647 , among others .
The object was discovered in 1886 by the American astronomer Francis Preserved Leavenworth .
Web links
Commons : NGC 649 - collection of images, videos, and audio files
- SIMBAD Astronomical Database
- Auke Slotegraaf: NGC 649. Deep Sky Observer's Companion, accessed September 5, 2015 .