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Author Goraya, P. S. ♦ Sanwal, B. B. ♦ Rautela, B. S.
Source Aryabhatta Research Institute of Observational Sciences (ARIES)
Content type Text
File Format PDF
Language English
Subject Domain (in DDC) Natural sciences & mathematics ♦ Physics
Subject Keyword Spectrum ♦ Comet Encke
Abstract Periodic comet Encke (P/Encke) was observed spectrophotometrically during its apparition in 1984 march, before perihelion. We observed emission features due to CN and C₂ molecules, but sodium emission was absent from the nucleus of the comet at r=0.38 AU. Spinrad has also found that sodium emission was not present in 1980 November. The lack of sodium emission is probably due to a different composition for this comet and its old age.
Part of series jbaa96-210
Educational Use Research
Education Level UG and PG
Learning Resource Type Article