J/AcA/54/1 OGLE II SMC eclipsing binaries (Wyrzykowski+, 2004)
The optical gravitational lensing experiment.
Eclipsing binary stars in the Small Magellanic Cloud.
Wyrzykowski L., Udalski A., Kubiak M., Szymanski M.K., Zebrun K.,
Soszinski I., Wozniak P.R., Pietrzynski G., Szewczyk O.
<Acta Astron., 54, 1-17 (2004)>
=2004AcA....54....1W 2004AcA....54....1W (SIMBAD/NED BibCode)
ADC_Keywords: Magellanic Clouds ; Binaries, eclipsing ; Photometry
Keywords: binaries: eclipsing - Magellanic Clouds - catalogs
Abstract:
We present new version of the OGLE-II catalog of eclipsing binary
stars detected in the Small Magellanic Cloud, based on Difference
Image Analysis catalog of variable stars in the Magellanic Clouds
containing data collected from 1997 to 2000. We found 1351 eclipsing
binary stars in the central 2.4 square degree area of the SMC. 455
stars are newly discovered objects, not found in the previous release
of the catalog. The eclipsing objects were selected with the automatic
search algorithm based on the artificial neural network. The full
catalog with individual photometry is accessible from the OGLE
INTERNET archive, at
ftp://sirius.astrouw.edu.pl/ogle/ogle2/var_stars/smc/ecl .
Regular observations of the SMC fields started on June 26, 1997 and
covered about 2.4 square degrees of central parts of the SMC.
Reductions of the photometric data collected up to the end of May 2000
were performed with the Difference Image Analysis (DIA) package.
File Summary:
--------------------------------------------------------------------------------
FileName Lrecl Records Explanations
--------------------------------------------------------------------------------
ReadMe 80 . This file
table2.dat 205 1404 Eclipsing binaries in the SMC
--------------------------------------------------------------------------------
See also:
J/AcA/48/147 : OGLE SMC BVI photometry (Udalski+ 1998)
ftp://sirius.astrouw.edu.pl/ogle/ogle2/var_stars/smc/ecl : OGLE Home Page
Byte-by-byte Description of file: table2.dat
--------------------------------------------------------------------------------
Bytes Format Units Label Explanations
--------------------------------------------------------------------------------
1- 4 I4 --- Seq Sequential number
6- 11 A6 --- --- [SMC_SC]
12- 13 I2 --- SC [1,11] SMC_SC field number
15- 18 A4 --- --- [OGLE]
19- 36 A18 --- OGLE OGLE J designation (HHMMSS.ss+DDMMSS)
38- 39 I2 h RAh Right ascension (J2000)
41- 42 I2 min RAm Right ascension (J2000)
44- 48 F5.2 s RAs Right ascension (J2000)
50 A1 --- DE- Declination sign (J2000)
51- 52 I2 deg DEd Declination (J2000)
54- 55 I2 arcmin DEm Declination (J2000)
57- 60 F4.1 arcsec DEs Declination (J2000)
62- 69 F8.3 pix Xpos X position
71- 78 F8.3 pix Ypos Y position
81- 90 F10.6 d Per Period
93-101 F9.5 d Epoch T0-2450000
103-107 F5.2 mag Imax I magnitude at maximum from DIA package.
110-113 F4.2 mag Iamp Amplitude in I magnitude
114 A1 --- n_Iamp [*] Correction on Iamp (1)
115-120 F6.2 ---- ph2 ?=-99.99 Phase of second eclipse
122-127 F6.2 mag amp2 ?=-99.99 Depth of second eclipse
129-134 F6.2 mag Imag ?=-99.99 I magnitude at maximum (2)
136-141 F6.2 mag Vmag ?=-99.99 V magnitude at maximum (2)
143-148 F6.2 mag Bmag ?=-99.99 B magnitude at maximum (2)
150-167 A18 --- Type Eclipsing binary type
168-198 A31 --- OverName Overlap star (SMC_SCNN/OGLEHHMMSS.ss+DDMMSS.s)
200-205 I6 --- ID98 ? Old catalog ID in Udalski et al., 1998,
Cat. J/AcA/48/147
--------------------------------------------------------------------------------
Note (1): SMC_SC5 OGLE004834.80-730652.6 have wrong Iamp data in original
table (-14.97), in the table, we put the Iamp data of SMC_SC4
OGLE004834.80-730652.6 (0.40).
Note (2): From standard OGLE-II photometry.
--------------------------------------------------------------------------------
History:
Copied at ftp://sirius.astrouw.edu.pl/ogle/ogle2/var_stars/smc/ecl
(End) Patricia Vannier [CDS] 16-Mar-2009