Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998dps....30.5528s&link_type=abstract
American Astronomical Society, DPS meeting #30, #55.P28; Bulletin of the American Astronomical Society, Vol. 30, p.1452
Astronomy and Astrophysics
Astronomy
Scientific paper
We present a laboratory determination of line intensities and pressure broadening coefficients for the v9 (10.01 micron) and v10 (11.89 micron) bands of allene. Allene is predicted to be a trace constituent of Titan's atmosphere and measurements of its abundance will yield important information about the atmospheric chemistry of that body. Laboratory spectra were obtained at temperatures ranging from 200 to 300 K using the McMath-Pierce FTS instrument at Kitt Peak National Observatory. Both self- and N2- broadening coefficients were obtained. The v9 and v10 bands lie within the spectral range of the CIRS spectrometer on the Cassini spacecraft, presently on its way to the Saturnian system. CIRS will be capable of measuring allene at low abundances.
Reuter Dennis C.
Sirota Mark J.
Wang Wen Fu
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