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astro-ph2003
Absolute Wavelength Shifts - A new diagnostic for rapidly rotating stars
Dainis Dravins
Accuracies reached in space astrometry now permit the accurate determination of astrometric radial velocities, without any use of spectroscopy. Knowing this true stellar motion, sp…
astro-ph2003
Absolute Lineshifts - A new diagnostic for stellar hydrodynamics
Dainis Dravins
For hydrodynamic model atmospheres, absolute lineshifts are becoming an observable diagnostic tool beyond the classical ones of line-strength, -width, -shape, and -asymmetry. This…