臺灣博碩士論文加值系統

超新星,是門古老的研究課題。在本論文中,我們使用鹿林一米望遠鏡(LOT)進行觀
測,策略分為「發現」與「後續追蹤」兩大主題,以期對超新星的本質做更多了解。
台灣超新星巡天計畫從2003年起進行,至今獨立發現通報了15顆超新星。而我選擇巨
質量恆星演化到末期的Ib/c類型之超新星,進行後續光度變化的觀測:SN 2006jc,是
人類見到恆星瀕臨死亡時,先噴出大量物質,兩年後旋即爆炸的事件,我們觀測到其
在藍色波段較其他超新星下降緩慢。SN 2008D,與過往的超新星不同,是在X光波段
率先發現,我們並在可見光波段觀測到超新星爆炸初期的資訊。未來,將繼續對Ib/c類
型之超新星進行更深入的研究,投入泛星(Pan-STARRS)計畫,並使用多波段的觀測方
式,來對超新星現象進行更全面的了解。

Supernova is an old research topic. In my thesis, we used Lulin one-meter telescope to
observe. To understand the properties of supernovae, our observation strategy is divided
into “discovery” and “follow-up”. Since 2003, Taiwan supernovae survey has discovered
15 new supernovae. I choose type Ib/c supernovae, which are the end stage of massive
stars, to do follow-up observations. SN 2006jc had a big out-burst before its explosion. We
observed its magnitude decay in B band is slower than other normal supernovae. SN 2008D
is the first supernova detected by X-ray satellite. We have the earliest optical observations
for supernova explosion. In future, I will keep on research type Ib/c supernovae, join the
Pan-STARRS project, and use multi-wavelength observation to understand the nature of
supernovae.

1 楔子 1
2 超新星的基本概念 2
2.1 什麼是超新星? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2.2 超新星的分類 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
3 台灣超新星巡天 5
3.1 緣起 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3.2 全世界近幾年發現超新星的統計 . . . . . . . . . . . . . . . . . . . . . . . . 5
3.3 巡天目標的選定 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.4 資料處理與分析 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.5 超新星巡天成果 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4 超新星後續光變觀測 15
4.1 超新星光度變化 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
4.2 觀測儀器 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
4.3 觀測策略 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
4.4 資料預處理 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
4.4.1 預處理項目 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
4.4.2 資料檢查 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
4.4.3 預處理流程 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
4.5 資料分析 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
4.5.1 孔徑測光 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
5 觀測成果 26
5.1 SN 2006jc (Ib型超新星) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
5.1.1 簡介 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
5.1.2 討論 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
5.2 SN 2007uy (Ib型超新星)與SN 2008D(Ib型超新星) . . . . . . . . . . . . . . 34
5.2.1 簡介 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
5.2.2 超新星shock break-out 模型 . . . . . . . . . . . . . . . . . . . . . . 39
5.2.3 討論 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
6 未來研究計畫 42
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