远红外波段解析碎片盘：DEBRIS巡天早期亮点
太阳与恒星天体物理
2019-01-30 v1
摘要
我们展示了DEBRIS巡天最早期的观测结果，DEBRIS是赫歇尔空间天文台的一项关键项目，旨在对A型到M型恒星进行体积和通量限定的碎片盘巡天。我们展示了在100和160微米波段对两颗A型星和一颗F型星（狮子座β、大熊座β和乌鸦座η）的PACS图像（来自斩波/ nodding或扫描模式观测）。这三颗星都是已知的盘宿主。赫歇尔空间天文台在空间上解析了这三颗恒星周围的尘埃辐射（在大熊座β的情况下是勉强解析），提供了关于距离仅11秒差距、大小与太阳系相当的盘的新信息。我们将这些数据与现有的盘通量密度测量相结合，以完善光谱能量分布，并估算盘的分数光度、温度和半径。
引用
@article{arxiv.1005.5147,
title = {Resolving debris discs in the far-infrared: early highlights from the DEBRIS survey},
author = {DEBRIS Collaboration and Brenda Matthews and Bruce Sibthorpe and Grant Kennedy and Neil Phillips and Laura Churcher and Gaspard Duchêne and Jane Greaves and Jean-Francois Lestrade and Amaya Moro-Martin and Mark Wyatt and Pierre Bastien and Andy Biggs and Jerome Bouvier and Harold Butner and Bill Dent and James Di Francesco and Jochen Eislöffel and James Graham and Paul Harvey and Peter Hauschildt and Wayne Holland and Jonti Horner and Eduardo Ibar and Rob Ivison and Doug Johnstone and Paul Kalas and JJ Kavelaars and David Rodriguez and Stephane Udry and Paul van der Werf and David Wilner and Ben Zuckerman},
journal= {arXiv preprint arXiv:1005.5147},
year = {2019}
}
备注
to be published in A&A, 5 pages, 2 color figures