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J/A+A/318/797       Cepheid radii (Ripepi+ 1997)

Cepheid radii and the CORS method revisited Ripepi V., Barone F., Milano L., Russo G. <Astron. Astrophys. 318, 797 (1997)> =1997A&A...318..797R (SIMBAD/NED BibCode)
ADC_Keywords: Stars, variable ; Stars, diameters Keywords: stars: distances - stars: oscillations - stars: fundamental parameters - stars: Cepheids Description: We have refined the CORS method, introduced in 1980 for the computation of the Cepheid radii, in order to extend its applicability to recent and extensive sets of observations. The refinement is based on the computation, from observational data only, of one of the terms of the solving equation, previously based only on precise calibrations of photometric colors. A limited number of assumptions, generally accepted in the literature, is used. New radii are computed for about 70 Cepheids, and the resulting P-R relation is discussed. File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file table2 63 72 Radii of Galactic Cepheids
Byte-by-byte Description of file: table2
Bytes Format Units Label Explanations
1- 9 A9 --- Name Name of the Cepheid 11- 19 F9.6 d Per Period of the Cepheid 21- 24 A4 --- rPhot Source of Photometry (1) 26- 33 A8 --- rRV Source of Radial Vel. (1) 35- 40 F6.2 solRad RadSuBr ? Surface brightness radius (2) 42- 46 F5.1 solRad RadCORSo Radii obtained with "old" CORS 48- 52 F5.1 solRad RadCORSn ? Radii obtained with the new CORS
Note (1): MB : BVR Photometry from Moffett and Barnes (1980ApJS...44..427M and 1984ApJS...55..389M) BMS : radial velocities from Barnes et al. (1987ApJS...65..307B and 1988ApJS...66...43B) WCBCM: radial velocities from Wilson et al. (1989ApJS...69..951W) BBB : Geneva System Photometry from Bersier et al. (1994, Cat. J/A+AS/108/9) BBMD : CORAVEL radial velocities from Bersier et al. (1994, Cat. J/A+AS/108/25) B : BVR Photometry from Berdnikov (1992A&AT....2....1B, 1992A&AT....2...47B and 1992A&AT....2..107B) M : BV Photometry from Madore (1995ApJS...29..219M) Note (2): Radius from Gieren W.P. et al. (1989ApJ...342..467G)
Acknowledgements: Vincenzo Ripepi
(End) Patricia Bauer [CDS] 03-Jun-1996
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