/ftp/cats/J_other/RMxAA/47.211



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J/other/RMxAA/47.211    Speckle interferometry at OAN. III.      (Orlov+, 2011)
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Beginning of ReadMe : J/other/RMxAA/47.211 Speckle interferometry at OAN. III. (Orlov+, 2011) ================================================================================ Speckle interferometry at the Observatorio Astronomico Nacional. III. Orlov V.G., Voitsekhovich V.V., Guerrero C.A., Angeles F., Farah Simon A., Luna E., Vazquez Robledo R. <Rev. Mex. Astron. Astrofis., 47, 211-217 (2011)> =2011RMxAA..47..211O ================================================================================ ADC_Keywords: Stars, double and multiple ; Interferometry Keywords: binaries: visual - stars: fundamental parameters - techniques: high angular resolution - techniques: interferometric Abstract: We present speckle interferometric measurements of binary stars performed during August of 2010 with the 1.5m telescope and during November of 2010 with the 2.1m telescope of the Observatorio Astronomico Nacional at SPM (Mexico). We report here the results of 238 measurements of 225 pairs with a primary limiting magnitude of V=12.2; 211 of them have separations less than 1". The mean error in separation is 0.03" and 1.5deg in position angle. Some of the position angles were determined with the usual 180deg ambiguity. Description: Data were recorded during the two observation campaigns carried out in August and November 2010. In August observations of 105 stars were performed at the OAN-SPM 1.5m telescope. For three nights in November 2010 we observed 120 stars with the 2.1m telescope of OANSPM.

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