Spectroscopy, photometry and direct filter imagery of Comet P/Halley

Details Spectroscopy, photometry and direct filter imagery of Comet P/Halley Spectroscopy, photometry and direct filter imagery of Comet P/Halley

Sep 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986msngr..45....8a&link_type=abstract

ESO Messenger (ISSN 0722-6691), Sept. 1986, p. 8-13.

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10

Astronomical Photography, Astronomical Photometry, Astronomical Spectroscopy, Halley'S Comet, Carbon Isotopes, Charge Coupled Devices, Coma, Narrowband

Scientific paper

Observational techniques and instrumentation applied in ground-based studies of the cometary coma during the post-perihelion phase of the recent passage of Comet Halley are summarized. Applications of a 1.5 m telescope equipped with a coude spectrograph for long slit investigations of spectral intensity distributions, a 1.4 m CAT, coude echelle spectrometer and reticon to evaluate the C-12/C-13 isotopic abundance ratio, and a 50 cm photometric telescope for narrow bandwidth spectroscopy are described. Finally, the 1.5 m Danish telescope, equipped with a CCD camera, collected high spatial resolution photographs of the various coma components when the comet was 0.42 AU from the sun.

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