J/AcA/63/115 OGLE-III Galactic disk eclipsing binaries (Pietrukowicz+, 2013)
Eclipsing binary stars in the OGLE-III Galactic disk fields.
Pietrukowicz P., Mroz P., Soszynski I., Udalski A., Poleski R.,
Szymanski M.K., Kubiak M., Pietrzynski G., Wyrzykowski L., Ulaczyk K.,
Kozlowski S., Skowron J.
<Acta Astron., 63, 115 (2013)>
=2013AcA....63..115P 2013AcA....63..115P (SIMBAD/NED BibCode)
ADC_Keywords: Milky Way ; Binaries, eclipsing ; Magnitudes
Keywords: Galaxy: disk - binaries: eclipsing - variables: general - starspots
Abstract:
We present the analysis of 11589 eclipsing binary stars identified in
twenty-one OGLE-III Galactic disk fields toward constellations of
Carina, Centaurus, and Musca. All eclipsing binaries but 402 objects
are new discoveries. The binaries have out-of-eclipse brightness
between I=12.5mag and I=21mag. The completeness of the catalog is
estimated at a level of about 75%. Comparison of the orbital period
distribution for the OGLE-III disk binaries with systems detected in
other recent large-scale Galactic surveys shows the maximum around
0.40d and an almost flat distribution between 0.5d and 2.5d,
independent of population. Ten doubly eclipsing systems and one
eclipsing-ellipsoidal object were found among thousands of variables.
Nine of them are candidates for quadruple systems. We also identify
ten eclipsing subdwarf-B type binary stars and numerous eclipsing RS
CVn type variables. All objects reported in this paper are part of the
OGLE-III Catalog of Variable Stars.
Description:
All the data presented in this paper were collected with the 1.3-m
Warsaw telescope at Las Campanas Observatory, Chile. The observatory
is operated by the Carnegie Institution for Science. During the
OGLE-III project, conducted in years 2001-2009, the telescope was
equipped with an eight-chip CCD mosaic camera with a scale of
0.26arcsec/pixel and a field of view of 35'x35'.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
ident.dat 103 11579 Identification of stars
ecl.dat 76 11579 Parameters of eclipsing binary stars
double.dat 73 22 Parameters of double binaries
remarks.dat 51 20 Remarks on selected objects
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See also:
I/244 : OGLE General Catalog of Stars. I. (Szymanski+ 1996)
J/A+A/439/559 : OGLE eclipsing binaries (bulge+lmc+smc) (Groenewegen+, 2005)
J/A+A/572/A71 : Tlmes of minima for 18 SMC eclipsing binaries (Zasche, 2014)
J/AJ/121/254 : Eclipsing Binaries in OGLE (Rucinski+, 2001)
J/AcA/60/295 : VI photometry of Galactic disk field stars (Szymanski+, 2010)
J/AcA/62/33 : OGLEII detached red giant eclipsing binary twins (Nataf+, 2012)
Byte-by-byte Description of file: ident.dat
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Bytes Format Units Label Explanations
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1- 12 A12 --- --- [OGLE-GD-ECL-]
13- 17 I05 --- Star Star number (OGLE-GD-ECL-NNNNN)
20- 27 A8 --- OGLEIIIF OGLE-III field (CARNNN.N, CENNNN.N, MUSNNN.N)
29- 34 I6 --- OGLEIIII OGLE-III database number (NNNNNN)
36- 42 A7 --- Type Subtype of the eclipsing variability
44- 45 I2 h RAh Right ascension, equinox J2000.0 (hours)
47- 48 I2 min RAm Right ascension, equinox J2000.0 (minutes)
50- 54 F5.2 s RAs Right ascension, equinox J2000.0 (seconds)
56 A1 --- DE- Declination, equinox J2000.0 (sign)
57- 58 I2 deg DEd Declination, equinox J2000.0 (degrees)
60- 61 I2 arcmin DEm Declination, equinox J2000.0 (arc minutes)
63- 66 F4.1 arcsec DEs Declination, equinox J2000.0 (arc seconds)
68- 78 A11 --- OGLETR OGLE transit ID (OGLE-TR-NNN)
80- 87 A8 --- VIMOS VLT/VIMOS variable's name (Car-VNNN, Cen-VNNN)
89-103 A15 --- OGLEII OGLE-II variable's ID (CARSCNNNNNNNN)
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Byte-by-byte Description of file: ecl.dat
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Bytes Format Units Label Explanations
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1- 12 A12 --- --- [OGLE-GD-ECL-]
13- 17 I05 --- Star Star number (OGLE-GD-ECL-NNNNN)
20- 25 F6.3 mag Imax Out-of-eclipse I-band magnitude
27- 32 F6.3 mag <V-I> ?=99.999 Mean V-I color index
35- 39 F5.3 mag dImag Depth of the primary minimum in the I band
42- 54 F13.8 d Per Orbital period
56- 65 F10.8 d e_Per Uncertainty of the orbital period
67- 76 F10.5 d t0 Epoch of the primary minimum (HJD-2450000)
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Byte-by-byte Description of file: double.dat
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Bytes Format Units Label Explanations
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1- 12 A12 --- --- [OGLE-GD-ECL-]
13- 17 I05 --- Star Star number (OGLE-GD-ECL-NNNNN)
18 A1 --- m_Star [ab] Multiplicity index on Star
20- 22 A3 --- Type Subtype of the eclipsing variability
24- 29 F6.3 mag Imax Out-of-eclipse I-band magnitude
32- 36 F5.3 mag dImag Depth of the primary minimum in the I band
39- 51 F13.8 d Per Orbital period of the component
53- 62 F10.8 d e_Per Uncertainty of the orbital period
64- 73 F10.5 d t0 Epoch of the primary minimum (HJD-2450000)
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Byte-by-byte Description of file: remarks.dat
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Bytes Format Units Label Explanations
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1- 12 A12 --- --- [OGLE-GD-ECL-]
13- 17 I05 --- Star Star number (OGLE-GD-ECL-NNNNN)
20- 51 A32 --- Rem Remark
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History:
Copied at ftp://ftp.astrouw.edu.pl/ogle/ogle3/OIII-CVS/gd/ecl
(End) Patricia Vannier [CDS] 10-May-2016