SIMBAD references

2005A&A...439..559G - Astronomy and Astrophysics, volume 439, 559-563 (2005/8-4)

Eclipsing binaries in the Galactic bulge: candidates for distance estimates.

GROENEWEGEN M.A.T.

Abstract (from CDS):

The 222000 I-band light curves of variable stars detected by the ogle-ii survey in the direction of the Galactic Bulge have been searched for eclipsing binaries (EBs). A previously developed code to analyze lightcurve shapes and identify long period variables (LPVs) has been adapted to identify EBs. The parameters in the modified code have been optimised to recover a list of about 140 detached EBs in the Small Magellanic Cloud previously identified in the literature as particularly well suited for distance estimates (and wich have periods >0.85 days). The power of the code is demonstrated by identifying 16 and 178 previously uncatalogued EBs in the SMC and LMC, respectively. Among the 222000 variable stars in the direction of the Galactic Bulge 3053 EBs have been identified. Periods and phased lightcurves are presented.

Abstract Copyright:

Journal keyword(s): stars: distances - binaries: eclipsing - Galaxy: center

VizieR on-line data: <Available at CDS (J/A+A/439/559): table2.dat tableb1.dat>

Simbad objects: 3246

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