Cometary spectroscopy

Details Cometary spectroscopy Cometary spectroscopy

Sep 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986plas.rept..100l&link_type=abstract

In NASA, Washington Reports of Planetary Astronomy, 1985 p 100-101 (SEE N87-12407 03-89)

Astronomy and Astrophysics

Astronomy

Cometary Atmospheres, Giacobini-Zinner Comet, Halley'S Comet, Infrared Spectra, Stellar Spectrophotometry, Charge Coupled Devices, Cosmic Dust, Line Spectra, Spectrum Analysis, Trace Elements

Scientific paper

The spectroscopic and morphological characteristics of comets over a wide range of heliocentric distances are investigated as they may suggest or constrain models of cometary formation environments and evolution. This program also contributes to the understanding of the general comet population with which spacecraft data will be compared. Long slit spectra and direct images of all observable comets (M2<18) are obtained on a monthly basis with either a UV sensitive microchannel plate or a red sensitive CCD spectrograph/camera. Scale lengths of the principal emission of OH, NH, CN, C3, C2, NH2 and OI different comets can be compared. The direct images are used for studies of dust anisotropy which can provide data on the spin vector and gross surface morphology.

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