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astro-ph2003★ 1 cited
Combining Astrometry and Spectroscopy
Guillermo Torres
Orbital solutions for binary or multiple stellar systems that combine astrometry (e.g., position angles and angular separations) with spectroscopy (radial velocities) have importan…
astro-ph2003
Spatially Resolved STIS Spectroscopy of Betelgeuse's Outer Atmosphere
A. Lobel, J. Aufdenberg, A. K. Dupree +3
We present spatially resolved spectra observed with HST-STIS of the upper chromosphere and dust envelope of Alpha Orionis (M2 Iab). In the fall of 2002 a set of five high-resolutio…