User:JeffKo427/sandbox/SCN
From Wikipedia, the free encyclopedia
The Southern Crab Nebula is a plantetary nebula located in the constellation Centaurus. It is significant as a symbiotic star, consisting of a white dwarf and a red giant orbiting around eachother.
Quick Facts Emission nebula, Observation data: J2000.0 epoch ...
Emission nebula | |
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Planetary nebula | |
He2-104 | |
Observation data: J2000.0 epoch | |
Right ascension | 01h 34m 33.2s[1] |
Declination | +30° 47′ 06″[1] |
Distance | 2.7 Mly (840 kpc)[2] (extra-galactic) ly (0.73 Mpc pc) |
Apparent magnitude (V) | +14.0 [1] |
Apparent dimensions (V) | 1′.93 x 1′.2 arcmins[1] |
Constellation | Triangulum |
Physical characteristics | |
Radius | 760 ly [3] ly |
Absolute magnitude (V) | -13.8 |
Notable features | massive H II region |
See also: Lists of nebulae |
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