Archivo: Radial Velocity Measurements of Delta Cephei

Description: Radial Velocity Data of Delta Cephei as function of pulsation phase measured with the Hermes spectrograph located at the Mercator telescope at the Roque de los Muchachos Observatory, La Palma, Canary Islands, Spain. The ten-fold uncertainty of the measurements is indicated in the top right corner.
Title: Radial Velocity Measurements of Delta Cephei
Credit: R. I. Anderson, et al. (2015 ApJ), The Astrophysical Journal, vol. 804, pp.144-155, doi:10.1088/0004-637X/804/2/144
Author: R.I. Anderson
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