/ftp/cats/aliases/K/./KY2009



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J/AJ/138/1508       2MASS large-amplitude variable stars     (Kouzuma+, 2009)
The following files can be converted to FITS (extension .fit or fit.gz)
	table1.dat
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Query from: http://vizier.cds.unistra.fr/viz-bin/VizieR?-source=J/AJ/138/1508
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Beginning of ReadMe : J/AJ/138/1508 2MASS large-amplitude variable stars (Kouzuma+, 2009) ================================================================================ Properties of large-amplitude variable stars detected with Two Micron All Sky Survey public images. Kouzuma S., Yamaoka H. <Astron. J., 138, 1508-1519 (2009)> =2009AJ....138.1508K ================================================================================ ADC_Keywords: Stars, variable ; Infrared sources ; Photometry, infrared Keywords: stars: AGB and post-AGB - stars: variables: other - Galaxy: bulge - Galaxy: structure Abstract: We present a catalog of variable stars in the near-infrared wavelength detected with overlapping regions of the Two Micron All Sky Survey public images, and discuss their properties. The investigated region is in the direction of the Galactic center (-30deg< l< 20, |b|< 20), which covers the entire bulge. We have detected 136 variable stars, of which six are already known and 118 are distributed in the |b|<5deg region. Additionally, 84 variable stars have optical counterparts in Digitized Sky Survey images. The three diagrams (color-magnitude, light variance, and color-color diagrams) indicate that most of the detected variable stars should be large-amplitude and long-period variables such as Mira variables or OH/IR stars. The number density distribution of the detected variable stars implies that they trace the bar structure of the Galactic bulge.