Orbital Parameters of Known Binaries

Details Orbital Parameters of Known Binaries Orbital Parameters of Known Binaries

Jul 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991hst..prop.3061j&link_type=abstract

HST Proposal ID #3061

Astronomy and Astrophysics

Astronomy

Hst Proposal Id #3061

Scientific paper

We propose to use the FGS in TRANSFER mode to examine, at high angular resolution, two known binary pairs in an effort to establish the orbital elements of these pairs near their periastron, which is not possible from the ground. Knowledge of the orbital parameters will lead to a precise determination of the stellar mass of each component. It is expected that the separations of the component stars in each pair is currently about 0.050 seconds of arc with about one magnitude difference in brightness, thus precise measurements with the Hubble Space Telescope can be readily obtained at this time.

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