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HD 39476


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Photometric Measurements of the Fields of More than 700 Nearby Stars
In preparation for optical/IR interferometric searches for substellarcompanions of nearby stars, we undertook to characterize the fields ofall nearby stars visible from the Northern Hemisphere to determinesuitable companions for interferometric phase referencing. Because theKeck Interferometer in particular will be able to phase-reference oncompanions within the isoplanatic patch (30") to about 17th magnitude atK, we took images at V, r, and i that were deep enough to determine iffield stars were present to this magnitude around nearby stars using aspot-coated CCD. We report on 733 fields containing 10,629 measurementsin up to three filters (Gunn i, r and Johnson V) of nearby stars down toabout 13th magnitude at V.

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观测天体数据

星座:御夫座
右阿森松:05h55m24.20s
赤纬:+49°00'19.6"
视星:8.35
距离:1123.596 天文距离
右阿森松适当运动:2.7
赤纬适当运动:-2.5
B-T magnitude:10.184
V-T magnitude:8.502

目录:
适当名称   (Edit)
HD 1989HD 39476
TYCHO-2 2000TYC 3369-878-1
USNO-A2.0USNO-A2 1350-06278008
HIPHIP 28001

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