准希尔达彗星231 P/ LINEAR-NEAT：用喜马拉雅钱德拉望远镜（HCT）在远日点观测
Quasi-Hilda Comet 231P/LINEAR-NEAT: Observation at aphelion using Himalayan Chandra Telescope (HCT)
摘要：
231 P/LINEAR-NEAT彗星在4.88 AU附近的远日点附近被观测到，使用2.0米的喜马拉雅山钱德拉望远镜。Saraswati，Hanle，印度.进行CCD孔径测光，并获得$R_{C}$ -带星等$21.37\pm 0.08 $ mag。彗星231 P的表面亮度剖面与场星比较，发现相似，在低水平的噪音数据;其暗示没有彗星活动。我们测量粉尘生产水平的数量$Afρ$，估计为5.0厘米。大多数彗星观测到的是近日点而不是远日点，如果我们需要计算彗星尘埃在太阳系中的总贡献，这类研究可能会起到重要作用。
英文摘要：
Comet 231P/LINEAR-NEAT observed around aphelion at 4.88 AU, using 2.0 m Himalayan Chandra Telescope at Mt. Saraswati, Hanle , India. CCD aperture photometry performed and $R_{C}$-band magnitude $21.37\pm 0.08 $ mag obtained. Comet 231P surface brightness profiles compared with field star and found similar, within low level noise in the data; its implicate no cometary activity. We measured dust production levels in term of the quantity $Afρ$, which was estimated 5.0 cm. Most of the comet observed at perihelion but not aphelion, if we need to calculate total comet dust contribution in the solar system, this type of study may play important role.
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