J/other/RMxAA/48.177   Speckle interferometry at OAN. IV.    (Orlov+, 2012)
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Beginning of ReadMe : J/other/RMxAA/48.177 Speckle interferometry of binaries (Orlov+, 2012) ================================================================================ Speckle interferometry at the Observatorio Astronomico Nacional. IV. Orlov V.G., Voitsekhovich V.V., Guerrero C.A. <Rev. Mex. Astron. Astrofis., 48, 177-281 (2012)> =2012RMxAA..48..177O ================================================================================ 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 September and October of 2009 with the 2.1m telescope of the Observatorio Astronomico Nacional at SPM (Mexico). We report here the results of 200 measurements of 196 pairs with a primary limiting magnitude of V=12.3. The measured angular separations range from 0.115" to 5.26". Ninety seven pairs have separations less than 100. The mean error in separation is 0.03" and 1.5deg in position angle. The usual 180deg ambiguity was corrected for a majority of position angles by comparison with observations performed by other observers. Description: The observations were performed at the 2.1-m telescope of the Observatorio Astronomico Nacional which is located at the San Pedro Martir (Mexico).

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