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2004CoAst.145...80G - Com. in Asteroseismology, 145, 80 (2004/June-0)
Radial velocity variations of the roAp-star HD122970: new results.
GAMAROVA A., HATZES A.P. and MKRTICHIAN D.E.
Abstract (from CDS):
In this paper we present new results on the precise relative radial velocity (RV) measurements for the roAp star HD122970. The RV line-by-line frequency analysis revealed the dependence of the pulsational amplitudes on the line strength and a bi-modal phase distribution. These new results can be considered as a significant evidence of the presence of a radial node in the atmosphere of HD122970.
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