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HD 2773


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Radial-velocity measurements. V - Ground support of the HIPPARCOS satellite observation program
The paper presents data on 1070 radial velocity measurements of starsdistributed in 39 fields measuring 4 deg x 4 deg. The PPO series ofFehrenbach et al. (1987) and Duflot et al. (1990) is continued using theFehrenbach objective prism method.

Spectral types for early-type stars observed by SKYLAB
MK spectral types are presented for 246 early-type stars observed withthe S-019 ultraviolet stellar astronomy experiment on Skylab. K-linetypes are also given where applicable, and various peculiar stars areidentified. The peculiar stars include five silicon stars, a shell star,a helium-rich star, a silicon-strontium star, a chromium-europium star,and two marginal metallic-line stars.

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观测天体数据

星座:仙后座
右阿森松:00h31m44.23s
赤纬:+53°57'42.0"
视星:7.574
距离:10000000 天文距离
右阿森松适当运动:-1.2
赤纬适当运动:-3.5
B-T magnitude:7.539
V-T magnitude:7.572

目录:
适当名称   (Edit)
HD 1989HD 2773
TYCHO-2 2000TYC 3654-1734-1
USNO-A2.0USNO-A2 1425-00751469
HIPHIP 2503

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