博碩士論文 89229007 詳細資訊




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姓名 姜博識(Po-Shih Chiang)  查詢紙本館藏   畢業系所 天文研究所
論文名稱 薔薇星雲中的X射線源
(Stellar X-ray Sources in the Rosette Nebula)
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摘要(中) 我們使用X-ray與光學觀測找尋薔薇星雲中的恆星X射線源。從ROSAT的網路資料庫中,我們找出了47個X射線源。利用光學影像、光譜、與光度資料,我們定出這些源的光學特性,並決定它們是否為薔薇星雲的成員星。最後,我們一共發現5個金牛座T型星與兩個赫比格AeBe星。並發現一個O型星可能有鋰吸收線,這暗示可能有低質量的年輕伴星。
摘要(英) We have used X-ray and optical observations to find the stellar X-ray sources in the
Rosette Nebula star-forming region. From $ROSAT$ archival data, we totally found 47 point
X-ray sources. We invetigate the optical properties of the X-ray sources by optical images,
photometry, and sprctroscopy, which allow us to distinguish among member stars in the region
from field stars. Five T Tauri stars and 2 Herbig Ae/Be stars have been identified by this
study. One O type star has been detected to have a weak 6707A Li absorption line,
indicating a possible young low-mass compaion.
關鍵字(中) ★ 年輕星球 關鍵字(英) ★ X-ray
★ Young Stars
論文目次 1. Introduction
1.1 The Rosette Nebula
1.2 Young Stellar Population
2. Data Reduction and Analysis
2.1 ROSAT X-ray Archival Data
2.2 Photometric Data and KPNO Optical Narrow-band Images
2.3 BAO Optical Spectra
3. Results and Discussion
3.1 X-ray Perproties
3.2 Optical Properties of the X-ray Sources
3.3 Individual SOurces
4. Conclusions
Appdex A. Spectra of All Sources
Appdex B. Finding Charts
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指導教授 陳文屏(Wen-Ping Chen) 審核日期 2002-10-6
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