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Planetary nebula in the constellation Virgo From Wikipedia, the free encyclopedia
Abell 36 is a faint barrel shaped planetary nebula[6] located 780 light years from Earth in the constellation of Virgo.[3][5][7] It was discovered by the American astronomer George Ogden Abell in 1955.[8]
Emission nebula | |
---|---|
Planetary nebula | |
Observation data: J2000 epoch | |
Right ascension | 13h 40m 41.34369s[1][2] |
Declination | −19° 52′ 55.3200″[1][2] |
Distance | 780 ly (240 pc)[3][4] ly |
Apparent magnitude (V) | Integrated: 12.2–14.3;[5] Central star: 15.4[2] |
Apparent dimensions (V) | 6.117′ × 6.117′[1][2] |
Constellation | Virgo |
Physical characteristics | |
Radius | 1.5 ly (0.46 pc)[3] ly |
Notable features | A unique and detailed PN |
Designations | PK 318+41.1, PN G 318.4+41.4 |
The nebula surrounds a dying sun-like star that is shedding out its outer layers forming Abell 36. The star is evolving towards its white dwarf phase of life. [9] The nebula is estimated to have been formed around 10,000 years ago.[10]
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