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首页> 外文期刊>PASJ: Publications of the Astronomical Society of Japan >The 2003 superoutburst of an SU UMa-type dwarf nova, GO Comae Berenicis
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The 2003 superoutburst of an SU UMa-type dwarf nova, GO Comae Berenicis

机译：SU UMa型矮新星GO Comae Berenicis在2003年爆发

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摘要

We photometrically observed a 2003 June superoutburst of GO Gom. The mean superhump period was 0.063059(13) d. The resultant data revealed that (1) the obtained light curve contained a precursor, (2) a plateau stage of the object lasted for 8 days, which is remarkably shorter than that of ordinary SU UMa-type dwarf novae, and (3) the amplitude of the superoutburst was less than 5 mag, which is unpredictably small when taking into account the fact that the supercycle of GO Com is about 2800 days. In order to explain these anomalies, a mass-elimination process from the accretion disk, such as evaporation, may play an important role.
机译：我们用光度法观察了2003年6月GO Gom的超爆发。平均超级驼峰期为0.063059（13）d。所得数据表明，（1）获得的光曲线包含前体，（2）物体的平稳期持续了8天，比普通的SU UMa型矮新星明显短，并且（3）超爆发的振幅小于5 mag，考虑到GO Com的超周期约为2800天这一事实，这是不可预测的小。为了解释这些异常，吸积盘的质量消除过程（例如蒸发）可能起重要作用。

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