X射线观测 NGC 1365：X射线源的时变 Eclipse 现象
天体物理学
2007-05-23 v1
摘要
我们报告了对遮蔽性强的类星体 NGC 1365 中 X 射线光谱的异常变化。该现象由 Chandra 观测得，X 射线光谱在四天内由厄米金-薄层态变为厄米金-厚层态，再恢复为厄米金-薄层态。这种快速变化表明发射区的尺寸约为 ~10^14 cm，而环核厚云的极小尺寸约为 ~10^16 cm。
引用
@article{arxiv.astro-ph/0701108,
title = {X-ray observations of NGC 1365: time-resolved eclipse of the X-ray source},
author = {G. Risaliti},
journal= {arXiv preprint arXiv:astro-ph/0701108},
year = {2007}
}
备注
Four pages, two figures. Conference proceedings to appear in "The Central Engine of Active Galactic Nuclei", ed. L. C. Ho and J.-M. Wang (San Francisco: ASP)