HerMES：在GOODS-N场中SPIRE探测到的高红移大质量致密星系
宇宙学与河外天体物理
2010-10-29 v2
摘要
我们利用赫歇尔空间天文台上的光谱与光度成像接收器(SPIRE)仪器，分析了GOODS北场中红移2<z<3的大质量(Mstar > 10^11Msun)星系的静止系远红外(FIR)性质。为进行此分析，我们利用了HerMES关键项目的数据。样本包含45个大质量星系，其结构参数由HST NICMOS-3表征。我们研究了亚毫米赫歇尔波段的探测结果，以及斯皮策24微米数据，作为形态类型、质量和尺寸的函数。我们发现26/45个源在MIPS-24微米波段被探测到，15/45个源(均为MIPS-24微米探测源)在SPIRE-250微米波段被探测到，盘状星系更容易被探测到。我们通过拟合源的能谱分布(SED)推导出恒星形成率(SFR)和比恒星形成率(sSFR)，并考虑了SPIRE的非探测和MIPS推导量的系统效应。我们发现球状星系的平均SFR(50-100 Msun*yr^-1)显著低于盘状星系(250-300 Msun*yr^-1)的平均值(约3倍)。
引用
@article{arxiv.1010.0673,
title = {HerMES : SPIRE detection of high redshift massive compact galaxies in GOODS-N field},
author = {A. Cava and G. Rodighiero and I. Perez-Fournon and F. Buitrago and I. Trujillo and B. Altieri and A. Amblard and R. Auld and J. Bock and D. Brisbin and D. Burgarella and N. Castro-Rodriguez and P. Chanial and M. Cirasuolo and D. L. Clements and C. J. Conselice and A. Cooray and S. Eales and D. Elbaz and P. Ferrero and A. Franceschini and J. Glenn and E. A. Gonzalez Solares and M. Griffin and E. Ibar and R. J. Ivison and L. Marchetti and G. E. Morrison and A. M. J. Mortier and S. J. Oliver and M. J. Page and A. Papageorgiou and C. P. Pearson and M. Pohlen and J. I. Rawlings and G. Raymond and D. Rigopoulou and I. G. Roseboom and M. Rowan-Robinson and D. Scott and N. Seymour and A. J. Smith and M. Symeonidis and K. E. Tugwell and M. Vaccari and I. Valtchanov and J. D. Vieira and L. Vigroux and L. Wang and G. Wright},
journal= {arXiv preprint arXiv:1010.0673},
year = {2010}
}
备注
6 pages, 3 figure, 1 table, MNRAS Herschel issue, in V2 added references and corrected typos