通过引力透镜望远镜探测恒星大气层
天体物理学
2007-05-23 v1
摘要
当源星经过由二元透镜星创建的临界线时,强大的差分放大效应允许从宽带光度测量中,以20至60毫弧秒的角分辨率测量其径向强度轮廓,每年约可研究约15颗恒星,并通过时序高分辨率光谱 spectroscopy 研究其化学成分,每年约可研究约2颗恒星。
引用
@article{arxiv.astro-ph/0312200,
title = {Uncovering stellar atmospheres with gravitational microlensing telescopes},
author = {M. Dominik},
journal= {arXiv preprint arXiv:astro-ph/0312200},
year = {2007}
}
备注
3 pages in LaTeX2e, 2 EPS-figures embedded, uses 'ws-procs975x65.cls' and 'rotating_pr.sty' (supplied). To appear in the Proceedings of the Xth Marcel Grossmann Meeting on General Relativity (Rio de Janeiro, Brasil, 20-26 July 2003), ed. S. Perez Bergliaffa, M. Novello & R. Ruffini (World Scientific, Singapore)