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J/A+A/318/797 Cepheid radii (Ripepi+ 1997)
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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)
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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:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table2.dat 63 72 Radii of Galactic Cepheids
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Byte-by-byte Description of file: table2.dat
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Bytes Format Units Label Explanations
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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
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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)
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Acknowledgements: Vincenzo Ripepi <vincenzo@astr1pi.difi.unipi.it>
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(End) Patricia Bauer [CDS] 03-Jun-1996