Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980aj.....85..474c&link_type=abstract
Astronomical Journal, vol. 85, Apr. 1980, p. 474-477.
Astronomy and Astrophysics
Astronomy
36
Comets, Spectrophotometry, Carbon Monoxide, Data Reduction, Positive Ions, Ultraviolet Radiation, Comets, P/Schwassmann-Wachmann 1 Comet, Observations, Spectrum, Spectrophotometry, Data, Data Reduction, Flux, Bursts, Emissions, Carbon Dioxide, Ions, Orbits, Distance, Equipment, Procedure, Wavelengths, Comparisons, Comae
Scientific paper
Spectra of Comet Schwassmann-Wachmann 1 were obtained on November 26-27, 1978 and February 15, 1979 using the Cassegrain Digicon spectrograph, and on February 21-23, 1979 using the IDS spectrograph of McDonald Observatory. All spectra were obtained while the comet was in an extended series of outburst (12th-13th mag). The spectra were predominantly reflected solar light, indicating the outburst was very rich in dust. Weak emission between 4000 and 4050 A, and between 4240 and 4290 A was detected in November 1978 and is probably due to CO(+). These outbursts, and the detection of CO(+), indicate that comets are not inactive at distances as great as 6 AU.
Barker Edwin S.
Cochran Anita
Cochran William W.
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