/ftp/cats/aliases/M/./MACHO_6_



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J/ApJ/631/906       MACHO Galactic Bulge microlensing events (Thomas+, 2005)
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	table3.dat table4.dat table5.dat lcurves.dat lc/*
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Query from: http://vizier.cds.unistra.fr/viz-bin/VizieR?-source=J/ApJ/631/906
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Beginning of ReadMe : J/ApJ/631/906 MACHO Galactic Bulge microlensing events (Thomas+, 2005) ================================================================================ Galactic Bulge microlensing events from the MACHO Collaboration. Thomas C.L., Griest K., Popowski P., Cook K.H., Drake A.J., Minniti D., Myer D.G., Alcock C., Allsman R.A., Alves D.R., Axelrod T.S., Becker A.C., Bennett D.P., Freeman K.C., Geha M., Lehner M.J., Marshall S.L., Nelson C.A., Peterson B.A., Quinn P.J., Stubbs C.W., Sutherland W., Vandehei T., Welch D.L., (the Macho Collaboration) <Astrophys. J., 631, 906-934 (2005)> =2005ApJ...631..906T ================================================================================ ADC_Keywords: Surveys ; Stars, variable ; Photometry Keywords: catalogs - Galaxy: bulge - Galaxy: structure - gravitational lensing - stars: dwarf novae - stars: variables: other Abstract: We present a catalog of 450 relatively high signal-to-noise ratio microlensing events observed by the MACHO collaboration between 1993 and 1999. The events are distributed throughout our fields, and as expected, they show a clear concentration toward the Galactic center. No optical depth is given for this sample, since no blending efficiency calculation has been performed and we find evidence for substantial blending. In a companion paper we give optical depths for the subsample of events on clump giant source stars, where blending is a less significant effect. Several events with sources that may belong to the Sagittarius dwarf galaxy are identified. For these events even relatively low dispersion spectra could suffice to classify these events as either consistent with Sagittarius membership or as non-Sagittarius sources. Several unusual events, such as microlensing of periodic variable source stars, binary lens events, and an event showing extended source effects, are identified. We also identify a number of contaminating background events as cataclysmic variable stars.