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arXiv 1911.04073astro-ph.GAastro-ph.IM
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活动星系核在0.1 <z <0.8时的光度混响映射:I.观测技术

Photometric reverberation mapping of AGNs at 0.1 < z < 0.8: I. Observational technique

Roman Uklein, Eugene Malygin, Elena Shablovinskaya, Aleksander Perepelitsyn, Aleksandra Grokhovskaya

摘要:

由活动星系核(AGN)的光学光度确定宽线区大小的定标关系的改进是研究远距离活动星系核的基本参数如中心超大质量黑洞质量的必要工作。最常用的BLR大小估计方法是基于测量连续通量和发射线中的通量之间的时间延迟的混响映射。在我们的工作中,我们应用的方法光度混响映射在中频滤波器,适用于在SAO RAS的蔡司-1000望远镜的观测,研究活动星系核的红移范围内的宽线$0.1 < z < 0.8$。本文介绍了观测和数据处理技术,提供了一个对象的例子,并证明了所用方法的稳定性。作为在$z=0.1$的2MASX J08535955 + 7700543的初步结果,我们获得了$τ(ICCF)=32.2^{\pm10.6}$天和$τ(JAVELIN)=39.5_{-15.8}^{+23.0}$天的时间延迟估计,它们彼此一致,并且在现有校准关系的精度范围内。

英文摘要:

The improvement of the calibration relation for determining the size of the broad-line region from the observed optical luminosity of active galactic nuclei (AGN) is a necessary task to study fundamental parameters of distant AGNs such as mass of the central supermassive black hole. The most popular method of the BLR size estimation is the reverberation mapping based on measuring the time delay between the continuum flux and the flux in the emission lines. In our work, we apply the method of photometric reverberation mapping in medium-band filters, adapted for observations at the Zeiss-1000 telescope of the SAO RAS, for the study of AGN with broad lines in the range of redshifts $0.1 < z < 0.8$. This paper describes the technique of observations and data processing, provides a sample of objects and demonstrates the stability of the used method. As a preliminary result for 2MASX J08535955+7700543 at $z=0.1$ we have obtained time delay estimates of $τ(ICCF)=32.2^{\pm10.6}$ days and $τ(JAVELIN)=39.5_{-15.8}^{+23.0}$ days that are consistent with each other and also within the accuracy of the existing calibration relations.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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