On the inversion of the Baade-Wesselink technique | Zendy

Norman R. Simon | Zendy

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On the inversion of the Baade-Wesselink technique

Author(s) -

Norman R. Simon

Publication year - 1987

Publication title -

publications of the astronomical society of the pacific

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.294

H-Index - 172

eISSN - 1538-3873

pISSN - 0004-6280

DOI - 10.1086/132052

Subject(s) - inversion (geology) , brightness , radius , cepheid variable , physics , surface brightness , astrophysics , geology , optics , computer science , stars , computer security , structural basin , galaxy , paleontology

A general framework is given for the inversion of a 'two-point' formulation of the Baade-Wesselink technique. This means that phases of equal radius are selected and used to get information regarding brightness and temperature. The inversion method is used to evaluate the surface brightness/(V-R) relation in two classical Cepheids, V482 Sco and R TrA. The slope is found to be consistent with previously reported values, but it is argued that the radius determinations will be very uncertain.

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