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HD 30535


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Photometric variability in chromospherically active stars. III - The binary stars
Differential UBV photometry of 49 late-type chromospherically activebinary stars has been obtained. A total of 12,353 differential UBVmagnitudes have been acquired and are used to determine seasonalphotometric periods, amplitudes, mean brightnesses, maximum spotamplitudes, 'unspotted' differential magnitudes, and times of minimumlight. Standard Fourier techniques are used to investigate the cause ofthe light variability. Eight stars are found which exhibit lightvariations due not to spot activity but rather to ellipticity and/orreflection effect. Others show combinations of all three effects. Someof the systems also show substantial differences between theirrotational and orbital period.

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观测天体数据

星座:波江座
右阿森松:04h48m13.84s
赤纬:-09°30'24.1"
视星:7.143
距离:223.714 天文距离
右阿森松适当运动:-3.4
赤纬适当运动:-1.3
B-T magnitude:7.054
V-T magnitude:7.136

目录:
适当名称   (Edit)
HD 1989HD 30535
TYCHO-2 2000TYC 5322-2301-1
USNO-A2.0USNO-A2 0750-01106059
HIPHIP 22304

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