Abell 39 (PN A66 39) is a low surface brightness planetary nebula in the constellation of Hercules. It is the 39th entry in George Abell's 1966 Abell...
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George O. Abell in 1958 using plates from POSS, and extended to the southern hemisphere by Abell, Corwin and Olowin in 1987. The name "Abell" is also commonly...
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Type I diamond ring planetary nebula Abell 70". Monthly Notices of the Royal Astronomical Society. 419 (1): 39–49. arXiv:1108.3957. Bibcode:2012MNRAS...
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The Abell Catalog of Planetary Nebulae was created in 1966 by George O. Abell and was composed of 86 entries thought to be planetary nebulae that were...
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discuss], and M92. It also contains the nearly spherical planetary nebula Abell 39. M13 lies between the stars η Her and ζ Her; it is dim, but may be detected...
37 KB (3,938 words) - 17:49, 8 August 2024
George Ogden Abell (March 27, 1927 – October 7, 1983) was an American educator. Teaching at UCLA, priorly he worked as a research astronomer, administrator...
37 KB (3,809 words) - 09:33, 14 June 2024
about 20% of planetary nebulae are spherically symmetric (for example, see Abell 39). A wide variety of shapes exist with some very complex forms seen. Planetary...
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