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HD 43021


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Preparing the COROT Space Mission: New Variable Stars in the Galactic Anticenter Direction
The activities related to the preparation of the asteroseismic,photometric space mission COROT are described. Photoelectricobservations, wide-field CCD photometry, uvbyβ calibrations, andfurther time series have been obtained at different observatories andtelescopes. They have been planned to complete the COROT program in thedirection of the Galactic anticenter. In addition to suitableasteroseismic targets covering the different evolutionary stages betweenzero-age main sequence and terminal-age main sequence, we discoveredseveral other variable stars, both pulsating and geometric. We comparedresults on the incidence of variability in the Galactic center andanticenter directions. Physical parameters have been obtained, andevolutionary tracks fitting them have been calculated. The peculiaritiesof some individual stars are pointed out.Based on observations collected at the San Pedro Martír, SierraNevada, Teide, La Silla, Haute-Provence, and Roque de Los Muchachos(Telescopio Nazionale Galileo and Mercator telescopes) observatories.

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观测天体数据

星座:獵戶座
右阿森松:06h14m10.42s
赤纬:+02°34'28.6"
视星:7.806
距离:127.226 天文距离
右阿森松适当运动:10.3
赤纬适当运动:-0.9
B-T magnitude:8.069
V-T magnitude:7.828

目录:
适当名称   (Edit)
HD 1989HD 43021
TYCHO-2 2000TYC 135-15-1
USNO-A2.0USNO-A2 0900-02543053
HIPHIP 29590

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