极性RBS0324(= 1 RXS J023052 .9-684203)的时间分辨光谱
Time-resolved spectroscopy of the polar RBS0324(=1RXS J023052.9-684203)
摘要:
我们提出的时间分辨光谱的极性RBS 0324(= 1 RXS J023052.9-684203)跨越一个以上的轨道周期。发射谱线呈现复杂多变的轮廓。测定了HeII 4686和Hbeta发射线的径向速度。两条线的曲线相似,半振幅约为250 km/s。1.5 mag的连续通量的调制与文献中先前提出的那些相容。所有这些特征都是极星的典型特征。
英文摘要:
We present time-resolved spectroscopy of the polar RBS0324(=1RXS J023052.9-684203) spanning more than one orbital cycle. The emission lines present complex and variable profiles. Radial velocities were determined for the HeII4686 and Hbeta emission lines. The curves are similar for both lines, with a semi-amplitude of about 250 km/s. The modulation of 1.5 mag of the continuum flux is compatible with those previously presented in the literature. All these characteristics are typical of polars.
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