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HD 165221


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Reduction of CCD observations of visual binaries using the ``Tepui'' function as PSF
429 CCD measurements of relative positions and magnitude differences inV and R photometric bands for 165 visual double and multiple stars aregiven. CCD frames were taken at the 1.52 m Spanish telescope of theSpanish-German Center of Astronomy at Calar Alto (Almería,Spain). During the reduction process a ``Tepui" function was used as thePSF function.Tables 1 and 2 are only available in electronic form at the CDS viaanonymous ftp to cdsarc.u-strasbg.fr (130.79.128.5) or viahttp://cdsweb.u-strasbg.fr/cgi-bin/qcat?J/A+A/416/811

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观测天体数据

星座:蛇夫座
右阿森松:18h04m49.73s
赤纬:+03°32'00.5"
视星:9.142
右阿森松适当运动:34.6
赤纬适当运动:-5.8
B-T magnitude:9.599
V-T magnitude:9.18

目录:
适当名称   (Edit)
HD 1989HD 165221
TYCHO-2 2000TYC 434-848-1
USNO-A2.0USNO-A2 0900-11477097

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