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题名: CCD photometry of active Centaur 166P/2001 T4 (NEAT)
作者: Shi, J. C.1; Ma, Y. H.1
刊名: MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
出版日期: 2015-12-21
卷号: 454, 期号:4, 页码:3635-3640
关键词: techniques: photometric ; comets: individual: 166P/2001 T4 (NEAT)
学科分类: 行星物理学
DOI: 10.1093/mnras/stv2274
文章类型: Article
英文摘要: To study the secular evolution of the activity of Centaur 166P/2001 T4 (Near Earth Asteroid Tracking, NEAT) and its physical properties, we present the results of optical observations of the Centaur taken on 2009 March 29 with the Keck 10-m telescope located atop Mauna Kea, Hawaii. It was still active at r(h) = 11.9 au post-perihelion. An upper limit of the nucleus radius of a(N) < 14.32 km is derived. The colour index is B - R = 1.59 +/- 0.05. The Af rho value is measured to be 288 +/- 19 cm and the corresponding dust production rate is 252 kg s(-1). Finally, a possible mechanism of activity is discussed.
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Astronomy & Astrophysics
研究领域[WOS]: Astronomy & Astrophysics
关键词[WOS]: LARGE HELIOCENTRIC DISTANCES ; COMET BOWELL 1980B ; O1 HALE-BOPP ; 2060 CHIRON ; PERIOD COMETS ; C/2000 WM1 ; 81P/WILD 2 ; DUST ; PREPERIHELION ; OUTBURSTS
收录类别: SCI
项目资助者: National Natural Science Foundation of China(11003048 ; CAS Oversea Study & Training Program ; Minor Planet Foundation of Purple Mountain Observatory ; Finnish Academy (FA) ; NSFC ; 10933004 ; 11573075)
语种: 英语
WOS记录号: WOS:000368001600023
Citation statistics:
内容类型: 期刊论文
URI标识: http://libir.pmo.ac.cn/handle/332002/15326
Appears in Collections:期刊(老文献)_期刊论文

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作者单位: 1.Chinese Acad Sci, Purple Mt Observ, Key Lab Planetary Sci, Nanjing 210008, Jiangsu, Peoples R China
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