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HD 190444


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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:望遠鏡座
右阿森松:20h07m19.24s
赤纬:-51°27'01.4"
视星:8.118
距离:247.525 天文距离
右阿森松适当运动:11.5
赤纬适当运动:-10.7
B-T magnitude:8.473
V-T magnitude:8.148

目录:
适当名称   (Edit)
HD 1989HD 190444
TYCHO-2 2000TYC 8404-697-1
USNO-A2.0USNO-A2 0375-38502484
HIPHIP 99114
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