NGC 649
Galaxy NGC 649 |
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LEDA 992911 (lu) & SDSS recording | |
AladinLite | |
Constellation | whale |
Position equinox : J2000.0 , epoch : J2000.0 |
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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 .