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HD 81405


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Radial velocity measurements. IV - Ground-based accompaniment to the HIPPARCOS observation program
The paper presents 396 radial velocities of stars distributed in 19fields of 4 x 4 degrees. The study employs the Fehrenbach objectiveprism method and the same measuring technique used in a previous paper(Fehrenbach et al., 1987).

Miscellaneous spectroscopic notes
Results of slit-spectrograph observations are reported for approximately260 stars. The data presented range from recognition of many new Ap, Am,and other unusual stars to H-alpha observations of early-typesupergiants and Be stars. The material discussed was obtained over thepast 40 years at a number of U.S. observatories and at the DominionAstrophysical Observatory in Victoria, B.C.

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观测天体数据

星座:大熊座
右阿森松:09h27m01.39s
赤纬:+47°46'23.6"
视星:7.564
距离:105.82 天文距离
右阿森松适当运动:-2.1
赤纬适当运动:3.1
B-T magnitude:7.906
V-T magnitude:7.593

目录:
适当名称   (Edit)
HD 1989HD 81405
TYCHO-2 2000TYC 3428-1479-1
USNO-A2.0USNO-A2 1350-07595037
HIPHIP 46351

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