HerMES：250、350 和 500 微米处的 SPIRE 星系计数
宇宙学与河外天体物理
2015-05-18 v1
摘要
在整个宇宙年龄中从星系探测到的总光中，远红外波长的发射占了很大一部分。Herschel 提供了在星系发射峰值波长处研究星系的机会。我们的目标是为星系种群演化模型提供基准，并测试现有的星系模型。借助 Herschel 多层河外巡天 HerMES，我们使用 Herschel 上的 SPIRE 仪器观测了多个不同面积和灵敏度的场。我们确定了低至约 20 mJy 的星系计数。我们通过直接计数星系得到的约束与 BLAST 起伏分析的估计一致，但更为精确。我们发现在 <100 mJy 处欧几里得归一化计数急剧上升。我们在接近红外河外背景峰值波长处直接分辨了其 15% 的来源。
引用
@article{arxiv.1005.2184,
title = {HerMES: SPIRE galaxy number counts at 250, 350 and 500 microns},
author = {S. J. Oliver and L. Wang and A. J. Smith and B. Altieri and A. Amblard and V. Arumugam and R. Auld and H. Aussel and T. Babbedge and A. Blain and J. Bock and A. Boselli and V. Buat and D. Burgarella and N. Castro-Rodriguez and A. Cava and P. Chanial and D. L. Clements and A. Conley and L. Conversi and A. Cooray and C. D. Dowell and E. Dwek and S. Eales and D. Elbaz and M. Fox and A. Franceschini and W. Gear and J. Glenn and M. Griffin and M. Halpern and E. Hatziminaoglou and E. Ibar and K. Isaak and R. J. Ivison and G. Lagache and L. Levenson and N. Lu and S. Madden and B. Maffei and G. Mainetti and L. Marchetti and K. Mitchell-Wynne and A. M. J. Mortier and H. T. Nguyen and B. O'Halloran and A. Omont and M. J. Page and P. Panuzzo and A. Papageorgiou and C. P. Pearson and I. Perez-Fournon and M. Pohlen and J. I. Rawlings and G. Raymond and D. Rigopoulou and D. Rizzo and I. G. Roseboom and M. Rowan-Robinson and M. Sanchez Portal and R. Savage and B. Schulz and Douglas Scott and N. Seymour and D. L. Shupe and J. A. Stevens and M. Symeonidis and M. Trichas and K. E. Tugwell and M. Vaccari and E. Valiante and I. Valtchanov and J. D. Vieira and L. Vigroux and R. Ward and G. Wright and C. K. Xu and M. Zemcov},
journal= {arXiv preprint arXiv:1005.2184},
year = {2015}
}
备注
Astronomy and Astrophysics, Herschel Special Issue, in press as a Letter; 5 pages