Direct Detection of Stellar 3-Space Velocities, Distances, M/R Ratio

Details Direct Detection of Stellar 3-Space Velocities, Distances, M/R Ratio Direct Detection of Stellar 3-Space Velocities, Distances, M/R Ratio

Dec 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997aas...19110808h&link_type=abstract

American Astronomical Society, 191st AAS Meeting, #108.08; Bulletin of the American Astronomical Society, Vol. 29, p.1384

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We present a new method for the determination of accurate stellar 3-space velocities, distances and mass-to-radius ratios for single stars. This technique utilizes measurements of the Doppler shift from emission/absorption lines from a stellar target with sufficient precision to detect terms resulting from the expansion of the Doppler Effect to second order in velocity. We also discuss the design for a laser-metrology equipped Fourier Transform Spectrometer which may provide the necessary velocity resolution and stability to detect these quantities. Model computations of the spectra resulting from such a FTS are also presented.

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