Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010dps....42.5801r&link_type=abstract
American Astronomical Society, DPS meeting #42, #58.01; Bulletin of the American Astronomical Society, Vol. 42, p.1082
Astronomy and Astrophysics
Astronomy
Scientific paper
Within the framework of the Herschel guaranteed time key project called ``Water and related chemistry in the Solar System''*, new insights into Titan's atmosphere are being facilitated by data from all three Herschel instruments (Heterodyne Instrument for the Far Infrared (HIFI), Photodetector Array Camera and Spectrometer (PACS), and Spectral and Photometric Imaging REceiver (SPIRE)). We present the first spectrum of Titan recorded by PACS during June 2010 (covering the 51 - 220 microns), with a resolving power from 940 to 5500 depending of the wavelength. The spectrum shows many lines due to H2O, HCN, CH4, and CO, we present the initial data analysis by means of a line-by-line radiative transfer code to infer abundances of the key constituents in Titan's atmosphere. Furthermore, this study attempts to contribute to a more thorough understanding of the physical phenomena in Titan's atmosphere.
*also known as ``Herschel Solar System Observations'' (HssO) project
Courtin Regis
Feuchgruber H.
Hartogh Paul
HssO Team
Jarchow Ch.
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