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HD 189404

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UBV (RI)c standard stars in the E- and F-regions and in the Magellanic Clouds - a revised catalogue. Not Available
Photoelectric standards of intermediate brightness in the E-regions. I. UBV photometry. Not Available
Photometric standard stars for the UBV and (RI)KC systems. Not Available
Standard magnitudes in the E regions. Not Available

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观测天体数据

星座:	人馬座
右阿森松:	20^h01^m41.93^s
赤纬:	-44Â°28'10.4"
视星:	9.444
右阿森松适当运动:	10.5
赤纬适当运动:	-21.9
B-T magnitude:	10.476
V-T magnitude:	9.53

目录:

适当名称
HD 1989	HD 189404
TYCHO-2 2000	TYC 7959-1661-1
USNO-A2.0	USNO-A2 0450-38461082
HIP	HIP 98605

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