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HD 135784

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ICCD speckle observations of binary stars. VIII - Measurements during 1989-1991 from the Cerro Tololo 4 M telescope
One-thousand eighty-eight observations of 947 binary star systems,observed by means of speckle interferometry with the 4 m telescope onCerro Tololo, are presented. These measurements, made during the period1989-1991, comprise the second installment of results stemming from theexpansion of our speckle program to the southern hemisphere.

ICCD speckle observations of binary stars. V - Measurements during 1988-1989 from the Kitt Peak and the Cerro Tololo 4 M telescopes
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1990AJ.....99..965M&db_key=AST

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观测天体数据

星座:	圓規座
右阿森松:	15^h19^m16.21^s
赤纬:	-55Â°31'42.5"
视星:	8.735
距离:	520.833 天文距离
右阿森松适当运动:	-3.7
赤纬适当运动:	-6.7
B-T magnitude:	8.75
V-T magnitude:	8.737

目录:

适当名称
HD 1989	HD 135784
TYCHO-2 2000	TYC 8698-1397-1
USNO-A2.0	USNO-A2 0300-23375264
HIP	HIP 74974

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