C/2015 O1: A long-period comet with photometric observations

被引：0

作者：

Xuan Zhang ^{[1
]}

Jin-Zhong Liu ^{[1
]}

Ya-Hui Wang ^{[1
,2
]}

Li-Na Lu ^{[1
,3
]}

机构：

[1] Xinjiang Astronomical Observatory, Chinese Academy of Sciences

[2] School of Physical Science and Technology, Xinjiang University

[3] University of Chinese Academy of Sciences

来源：

Research in Astronomy and Astrophysics | 2019年 / 19卷 / 05期

基金：

中国国家自然科学基金;

关键词：

comets:general; comets:individual(C/2015 O1);

D O I：

暂无

中图分类号：

P185.81 [彗星];

学科分类号：

070401 ;

摘要：

In this work, we report the observations of the long-period comet C/2015 O1 performed on2018 January 29–30 and April 13 with the Nanshan 1-meter wide-field telescope operated by Xinjiang Astronomical Observatory. We obtain the morphological features of C/2015 O1 using an image enhancement method, and calculate the dust-activity parameter Afρ and the coma color based on photometric analysis. An obvious fan-shaped structure was observed at different observation times. We find that the activity of C/2015 O1 gradually decreases as the comet advances toward perihelion and the observed B-V and V-R colors are consistent with those of other comets.

引用

页码：29 / 32

页数：4

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