中文

PPN/PN 尘埃壳中多组分尘埃的空间分布

天体物理学 2016-01-27 v1

摘要

我们利用光谱成像技术研究了原始行星星云候选对象 HD 179821 和行星星云 BD+30+30^{\circ}3639 中特定尘埃成分的空间分布。通过高分辨率地面观测图像和 ISO 中红外光谱,我们可以通过在特征波长处的观测图像减去合成连续光谱图,推导出仅包含尘埃特征的图图。这种空间上细致的信息将有助于发展围绕演化恒星的尘粒演化模型。

关键词

引用

@article{arxiv.astro-ph/0010208,
  title  = {Spatial Distributions of Multiple Dust Components in the PPN/PN Dust Shells},
  author = {Toshiya Ueta and Angela K. Speck and Margaret Meixner and Aditya Dayal and Joseph L. Hora and Giovanni G. Fazio and Lynne K. Deutsch and William F. Hoffmann},
  journal= {arXiv preprint arXiv:astro-ph/0010208},
  year   = {2016}
}

备注

4 pages + 7 figures, to appear in the proceedings of the conference, "Post-AGB Objects (proto-planetary nebulae) as a Phase of Stellar Evolution", Torun, Poland, July 5-7, 2000, eds. R. Szczerba, R. Tylenda, and S.K. Gorny. Figures have been degraded to minimize the total file size