J/A+A/404/423 BVI photometry of Galactic Cepheids (Tammann+, 2003)
New Period-Luminosity and Period-Color Relations of Classical Cepheids:
I. Cepheids in the Galaxy,
Tammann G.A., Sandage A., Reindl, B.
<Astron. Astrophys. 404, 423 (2003)>
=2003A&A...404..423T 2003A&A...404..423T (SIMBAD/NED BibCode)
ADC_Keywords: Stars, variable ; Photometry, UBVRI
Keywords: Cepheids - Magellanic Clouds - distance scale - supernovae: general -
cosmological parameters
Abstract:
321 Galactic fundamental-mode Cepheids with good B,V,I photometry by
Berdnikov et al. (2000, Cat. J/A+AS/143/211) and with homogenized
color excesses E(B-V) based on Fernie et al. (1995IBVS.4148....1F 1995IBVS.4148....1F) are
used to determine their period-colour relation in the range 0.4<log
P<1.6. Distances of 25 Cepheids in open clusters (Feast,
1999PASP..111..775F 1999PASP..111..775F) and of 28 Cepheids with BBW distances (Gieren et
al., 1998ApJ...496...17G 1998ApJ...496...17G) are used in a first step to determine the
absorption coefficients RB=4.17, RV=3.17, and RI=1.89. The two
sets define two independent P-L relations which agree very well in
slope. They are therefore combined into a single mean Galactic P-L
relation.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table1.dat 84 324 Intrinsic colors of Galactic fundamental-mode
Cepheids
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See also:
J/A+AS/143/211 : Galactic Cepheids BVRI photometry (Berdnikov+, 2000)
J/AcA/49/223 : BVI photometry of OGLE LMC Cepheids (Udalski+, 1999)
J/AcA/49/437 : BVI photometry of OGLE SMC Cepheids (Udalski+, 1999)
Byte-by-byte Description of file: table1.dat
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Bytes Format Units Label Explanations
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1- 9 A9 --- Cepheid Cepheid name according to
Berdnikov et al. (2000, Cat. J/A+AS/143/211)
13- 17 F5.3 [d] logP log of the fundamental period
21- 26 F6.3 mag <Bmag> ?=99.999 Intensity-mean B magnitude
30- 35 F6.3 mag <Vmag> ?=99.999 Intensity-mean V magnitude
39- 44 F6.3 mag <Imag> ?=99.999 Intensity-mean V magnitude
48- 52 F5.3 mag E(B-V)F Color excess E(B-V) (Fernie system)
56- 60 F5.3 mag E(B-V)C Corrected color excess E(B-V)
64- 68 F5.3 mag E(V-I)C Corrected color excess E(V-I)
72- 76 F5.3 mag (B-V)0 ?=9.999 Intrinsic (B-V)0 color
80- 84 F5.3 mag (V-I)0 ?=9.999 Intrinsic (V-I)0 color
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Acknowledgements: Bernd Reindl
(End) Patricia Bauer [CDS] 06-Jun-2003