射电源J 1128+5925 -- II的光变确认其光学安静性
Optical Variability of the Radio Source J 1128+5925 -- II. Confirmation of its Optical Quietness
摘要：
最近发现的J 1128+5925源在射电波长上有很强的日内变化，其射电变化可能来自星际闪烁。在光学方面，该物体在我们2007年的监测会议中很安静。在这里，我们报告的结果，我们新的光学监测这一来源在2008年。除了证实我们2007年的结果，即该对象没有显示任何明显的变化，从小时到天到月的时间尺度，我们提供的证据表明，该对象没有变化的时间尺度为一年，它可能是本质上安静的光学域。它在光学和无线电状态下的非常不同的行为可以很自然地解释，如果它的强烈的无线电变化来自星际闪烁。
英文摘要：
The source J 1128+5925 was found recently to show strong intraday variability at radio wavelengths and its radio variability may come from interstellar scintillation. In optical, the object was quiet in our 2007 monitoring session. Here we report the results of our new optical monitoring of this source in 2008. In addition to confirm our 2007 results, that the object did not display any clear variation on timescales from hour--day to month, we provide evidence that the object does not vary on timescale of one year, and it is probably intrinsically quiet in optical domain. Its very different behaviors in optical and radio regimes can be naturally explained if its strong radio variability comes from interstellar scintillation.
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