赫歇尔空间天文台对M81中尘埃的观测
宇宙学与河外天体物理
2015-05-18 v1
摘要
我们利用赫歇尔空间天文台的数据，对邻近旋涡星系M81中70-500微米观测到的尘埃发射的峰值和瑞利-金斯斜率施加了观测约束。我们发现，160至500微米之间的波段比主要依赖于半径，但70与160微米发射的比值显示出与面亮度或半径没有明确的依赖关系。这些结果以及光谱能量分布的分析表明，160-500微米的发射追踪的是由核球和盘中的演化恒星加热的15-30 K尘埃，而70微米的发射则包括由活跃星系核和恒星形成区域中的年轻恒星加热的尘埃。
引用
@article{arxiv.1005.1889,
title = {The Herschel Space Observatory view of dust in M81},
author = {G. J. Bendo and C. D. Wilson and M. Pohlen and M. Sauvage and R. Auld and M. Baes and M. J. Barlow and J. J. Bock and A. Boselli and M. Bradford and V. Buat and N. Castro-Rodriguez and P. Chanial and S. Charlot and L. Ciesla and D. L. Clements and A. Cooray and D. Cormier and L. Cortese and J. I. Davies and E. Dwek and S. A. Eales and D. Elbaz and M. Galametz and F. Galliano and W. K. Gear and J. Glenn and H. L. Gomez and M. Griffin and S. Hony and K. G. Isaak and L. R. Levenson and N. Lu and S. Madden and B. O'Halloran and K. Okumura and S. Oliver and M. J. Page and P. Panuzzo and A. Papageorgiou and T. J. Parkin and I. Perez-Fournon and N. Rangwala and E. E. Rigby and H. Roussel and A. Rykala and N. Sacchi and B. Schulz and M. R. P. Schirm and M. W. L. Smith and L. Spinoglio and J. A. Stevens and S. Sundar and M. Symeonidis and M. Trichas and M. Vaccari and L. Vigroux and H. Wozniak and G. S. Wright and W. W. Zeilinger},
journal= {arXiv preprint arXiv:1005.1889},
year = {2015}
}
备注
Accepted for A & A Herschel special issue