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首页> 外文期刊>PASJ: Publications of the Astronomical Society of Japan >Discovery of H2O megamasers in obscured active galactic nuclei
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Discovery of H2O megamasers in obscured active galactic nuclei

机译:发现H2O Megamasers在模糊的活性银核中

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摘要

A new method to discover obscured active galactic nuclei (AGNs) by utilizing X-ray and infrared data has recently been developed. We carried out a survey of H2O maser emission toward 10 obscured AGNs with the Nobeyama 45 m telescope. We newly detected the maser emission with a signal-noise-ratio (SNR) of above 4 from two AGNs; NGC 1402 and NGC 7738. We also found a tentative detection with SNR > 3 in NGC 5037. The detection rate of 20% is higher than those of previous surveys (usually several percent).
机译:最近开发了一种通过利用X射线和红外数据发现遮挡活性银核(AGN)的新方法。 我们对H2O蒙皮排放的调查与NobeMaMa 45 M望远镜进行了10个模糊的AGN。 我们将新闻地检测到蒙皮发射,其信号噪声比(SNR)从两个AGNS中高于4; NGC 1402和NGC 7738.我们还发现了NGC 5037中的SNR> 3的试探性检测。20%的检出率高于先前的调查(通常是几个百分点)。

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