Photographic photometry of the CN and C3 comae of Comet Halley |
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| Authors: | Hu Zhong-wei Shen Zhi-qiang Chen Yang |
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| Institution: | Department of Astronomy, Nanjing University, China |
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| Abstract: | Two photographs of Comet Halley in CN were obtained in 1986 April 8 and 12, and two in C3, on March 21 and May 5. Photometry led to mean brightness profiles of the CN and C3 comae on these days. Using Haser's coma model, the scale-heights of these two molecules and of the parent molecules were derived. |
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