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  • 1
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    The correlation between water production rates and visual magnitudes in comets (1992)
    In:  CASI
    Details
    Publication Date: 2013-08-31
    Description: From the visual magnitudes of the International Comet Quarterly data base and the OH radio lines measured at the Nancay radio telescope, the law log Q(H2O) = 30.74 (+/-0.02) - 0.240 (+/-.003) m(sub h) is derived from a sample of 13 comets.
    Keywords: ASTROPHYSICS
    Type: Lunar and Planetary Inst., Asteroids, Comets, Meteors 1991; p 285-288
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 2
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    The light curve of periodic comet Halley 1910 II (1982)
    In:  Other Sources
    Details
    Publication Date: 2011-08-18
    Description: Photometric parameters for periodic comet Halley 1910 II have been derived from 144 total visual magnitude estimates. The pre-perihelion data are best represented by an absolute magnitude of 5.47 and a power-law exponent of 4.44; post-perihelion results show that the absolute magnitude brightened to 4.94, and the exponent decreased to 3.07. Only small fluctuations in brightness about the power-law solutions are noted. Based on these results, a forecast of the visual brightness of periodic comet Halley's 1985-1987 apparition is presented.
    Keywords: ASTROPHYSICS
    Type: Astronomical Journal; 87; June 198
    Format: text
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