Spectrophotometric study of the comet P/Swift-Tuttle (1992t) |
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Authors: | B B Sanwal B S Rautela Mahendra Singh J B Srivastava |
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Institution: | (1) Uttar Pradesh State Observatory, Manora Peak, 263 129 Naini Tal, India |
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Abstract: | Spectrophotometric observations of the periodic comet P/Swift-Tuttle (1992t) were taken through 104 cm telescope of Uttar Pradesh State Observatory Nainital, using EG & G spectrograph coupled with optical multichannel analyser and reticon array detector in the optical region of the spectrum, during four nights of December 1992. The molecular emission bands of CN (![Delta](/content/mwt15q3937h46752/xxlarge916.gif) = 0) at 3888 Å, CH + C3 at 4050 Å and C2 (![Delta](/content/mwt15q3937h46752/xxlarge916.gif) = +1,0, –1) at 4690 A, 5160 Å and 5530 Å respectively, were identified. Column densities and production rates have been determined. |
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