天文物體的時間變化現象的觀察和理論研究---從彗星到超新星; Observations and Theories of Time-Variable Events Phenomena: from Comets to Supernovae

Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/46957

Title:	天文物體的時間變化現象的觀察和理論研究---從彗星到超新星;Observations and Theories of Time-Variable Events Phenomena: from Comets to Supernovae
Authors:	葉永烜
Contributors:	天文學研究所
Keywords:	物理類
Date:	2010-08-01
Issue Date:	2011-07-13 16:16:55 (UTC+8)
Publisher:	行政院國家科學委員會
Abstract:	研究工作分成四大部分。 (1)分析彗星C/2004 Q2(Machholz)的離子尾構造和時間變化以及與太陽風作用的關係。過去觀察到的彗星離子尾的離子密度變化的幅度都未有準確數據，我們的資料預計可補足這個空白。 (2)在TNOs 物體的研究方面，重點在CFHT 巡天觀察計畫的資料分析，目標定在TNO 雙體系統的探索上，作為參加泛星計畫（Pan-STARRS）的前期準備。泛星計畫將成為有史以來最龐大的TNO 搜尋計畫。我們準備利用這個豐富的資料庫，做出最完整的TNO 物體和它們的雙體系統的物理性質的統計。 (3)中央大學搜尋超新星的觀察系統至今已成功的找到14 個剛爆發的超新星，利用鹿林一米和兩米望遠鏡，針對泛星望遠鏡找到的超新星作多光譜分析後續觀測。由於在台灣可以專注南天的目標，所以在這方面可以做出獨特和重要的貢獻。 (4)伽瑪射線爆可見光餘暉的即時觀察，針對GRBs 的宿主星系的光度紅移的多波段測光及計算，目的在於探討用GRBs 來做標準燭光的可行性，探測z=6-7 的深遠宇宙歷史。 We will combine the observational study with theoretical modeling efforts to investigate several topics central to the time-variability of solar system bodies and astrophysical objects. There are mainly four research areas: (1) the outgassing phenomena, coma structures and chemical compositions of different types of comets and their implication on the origin of comets; (2) the dynamical evolution and internal structures of the trans-neptunian objects (TNOs) in general and the binary TNOs in particular; (3) the multi-wavelength follow-on observations of supernovae and the statistical study of the environmental influence and star formation histories of galaxies on the distributions of SNe; (4) the real-time monitoring of the gamma-ray burst optical afterglows and the development of a photometric method to estimate the redshifts of GRBs. These observational activities will be complemented by theoretical study and numerical modeling. 研究期間：9908 ~ 10007
Relation:	財團法人國家實驗研究院科技政策研究與資訊中心
Appears in Collections:	[Graduate Institute of Astronomy] Research Project

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