NGC 756
| Galaxy NGC 756 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | whale |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 01 h 54 m 29.0 s |
| declination | -16 ° 42 ′ 26 ″ |
| Appearance | |
| Morphological type | S0: pec |
| Brightness (visual) | 14.5 mag |
| Brightness (B-band) | 15.5 mag |
| Angular expansion | 0.8 ′ × 0.5 ′ |
| Position angle | 32 ° |
| Surface brightness | 13.4 mag / arcmin² |
| Physical data | |
| Redshift | 0.039981 ± 0.000107 |
| Radial velocity | 11,986 ± 32 km / s |
|
Stroke distance v rad / H 0 |
(535 ± 38) · 10 6 Lj (164.1 ± 11.5) Mpc |
| history | |
| discovery | Francis P. Leavenworth |
| Discovery date | November 9, 1885 |
| Catalog names | |
| NGC 756 • PGC 7078 • MCG -03-05-029 • 2MASX J01542903-1642257 • SGC 015205-1657.3 • | |
NGC 756 is a lenticular galaxy of the Hubble type S0 in the constellation Whale south of the ecliptic . It is estimated to be 535 million light-years away from the Milky Way and has a diameter of around 125,000 ly.
In the same area of the sky are the galaxies NGC 725 , NGC 734 , IC 1745 , IC 1758 , among others .
The object was discovered on November 9, 1885 by the American astronomer Francis Preserved Leavenworth .
Web links
Commons : NGC 756 - collection of images, videos, and audio files
- SIMBAD Astronomical Database
- Auke Slotegraaf: NGC 756. Deep Sky Observer's Companion, accessed on February 27, 2016 (English).
- NGC 756. DSO Browser, accessed February 21, 2016 .
Individual evidence