Statistics – Applications
Scientific paper
Feb 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aipc.1094..969k&link_type=abstract
COOL STARS, STELLAR SYSTEMS AND THE SUN: Proceedings of the 15th Cambridge Workshop on Cool Stars, Stellar Systems and the Sun.
Statistics
Applications
Pulsations, Oscillations, And Stellar Seismology, Magnetic And Electric Fields, Polarization Of Starlight, Star Formation
Scientific paper
We present astronomical applications of the Cologne Tuneable Heterodyne Infrared Spectrometer (THIS). Measurements of planetary atmosphere dynamics of Mars and Venus with an accuracy of <10 m/s, taken over the last two years, demonstrate the capabilities of heterodyne spectroscopy in the mid infrared.
High spectral resolution of up to R = 107 enables us to fully resolve molecular or atomic lines and to deduce three dimensional structures. Precise measurements of stellar winds are also feasible with THIS. Furthermore, large scale convection in stellar atmospheres might be a target for ultra-high resolution spectroscopy. Other possible applications include the measurement of stellar magnetic fields by observing the Zeeman splitting of molecular lines (e.g. Mg I), or velocity resolved observations of Ne II in circumstellar discs.
Krötz Peter
Schieder Rudolf
Sonnabend Guido
Sornig Manuela
Stupar Dušan
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