J/A+A/461/1065 uvby diff. photometry of 4 eclipsing binaries (Clausen+, 2007)
Four-colour photometry of eclipsing binaries.
XL. uvby light curves for the B-type systems DW Carinae, BF Centauri,
AC Velorum, and NSV 5783.
Clausen J.V., Helt B.E., Gimenez A., Vaz L.P.R., Garcia J.M., Olsen E.H.,
Southworth J.
<Astron. Astrophys. 461, 1065 (2007)>
=2007A&A...461.1065C 2007A&A...461.1065C
ADC_Keywords: Binaries, eclipsing ; Photometry, uvby
Keywords: stars: fundamental parameters - stars: binaries: eclipsing -
stars: evolution - Galaxy: open clusters and associations: general -
techniques: photometric - techniques: spectroscopic
Abstract:
In order to increase the limited number of B-stars with accurately
known dimensions, and also the number of well studied eclipsing
binaries in open clusters, we have undertaken observations and studies
of four southern double-lined eclipsing B-type binaries; DW Car,
BF Cen, AC Vel, and NSV 5783.
Complete uvby light curves were observed between January 1982 and
April 1991 at the Danish 0.5m telescope at ESO La Silla, since 1985
known as the Stroemgren Automatic Telescope (SAT). Standard indices
for the systems and the comparison stars, as well as additional minima
observations for AC Vel, have been obtained later at SAT. For DW Car
and AC Vel, high-resolution spectra for definitive spectroscopic
orbits have also been obtained; they are presented as part of the
detailed analyses of these systems. A few spectra of NSV 5783 are
included in the present paper.
Description:
uvby light curves (instrumental system) for DW car, BF Cen, AC Vel,
and NSV 5783. See Section 2.2 for further details.
Objects:
------------------------------------------------------------
RA (2000) DE Designation(s) (File)
------------------------------------------------------------
10 43 10.1 -60 02 12 DW Car = HD 305543 (table11.dat)
11 36 17.0 -61 28 01 BF Cen = HD 100915 (table12.dat)
10 46 18.4 -56 49 46 AC Vel = HD 93468 (table13.dat)
12 37 16.7 -56 47 17 NSV 5783 = HD 109724 (table14.dat)
------------------------------------------------------------
File Summary:
--------------------------------------------------------------------------------
FileName Lrecl Records Explanations
--------------------------------------------------------------------------------
ReadMe 80 . This file
table11.dat 50 518 DW Carinae uvby light curves (instrumental
system). HD93191 (C1) and HD92072 (C2)
table12.dat 50 876 BF Centauri uvby light curves (instrumental
system). HD100942 (C1) and HD101466 (C2)
table13.dat 50 1525 AC Velorum uvby light curves (instrumental
system). HD93943 (C1) and HD92757 (C2)
table14.dat 50 877 NSV 5783 uvby light curves (instrumental
system). HD108925 (C1) and HD109808 (C2)
--------------------------------------------------------------------------------
See also:
J/A+AS/109/425 : AO Vel four-colour photometry (Clausen+, 1995)
J/A+AS/112/123 : uvby lightcurves of LZ Cen (Vaz+, 1995)
J/A+AS/101/563 : uvby photometry of GG Lup (Clausen+ 1993)
J/A+AS/128/251 : uvby photometry of V3903 Sgr (Vaz+ 1998)
J/A+AS/115/315 : uvby light curves of the system V539 Arae (Clausen+, 1996)
J/A+AS/109/425 : AO Vel four-colour photometry (Clausen+, 1995)
J/A+AS/130/245 : Light curves of the PMS system TY CrA (Vaz+ 1998)
J/A+A/461/1077 : Radial velocities of DW Car (Southworth+, 2007)
Byte-by-byte Description of file: table1?.dat
--------------------------------------------------------------------------------
Bytes Format Units Label Explanations
--------------------------------------------------------------------------------
1- 13 F13.5 d HJD Heliocentric Julian Date
16- 23 F8.6 --- Phase [0/1] Orbital phase
25- 29 F5.3 mag dymag y differential magnitude photometry (1)
32- 36 F5.3 mag dbmag b differential magnitude photometry (1)
39- 43 F5.3 mag dvmag v differential magnitude photometry (1)
46- 50 F5.3 mag dumag u differential magnitude photometry (1)
--------------------------------------------------------------------------------
Note (1): For table11, DW Car - HD 93191 magnitudes
For table12, BF Cen - HD 100942 magnitudes
For table13, AC Vel - HD 93943 magnitudes
For table14, NSV 5783 - HD 108925 magnitudes
--------------------------------------------------------------------------------
Acknowledgements: Jens Viggo Clausen, jvc(at)astro.ku.dk
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(End) Patricia Vannier [CDS] 23-Oct-2006