COSMOS光学与近红外观测数据及星表的首次发布
天体物理学
2010-11-09 v1
摘要
我们展示了COSMOS巡天在0.3um至2.4um之间15个测光波段的成像数据与测光结果。这些数据包括在Subaru 8.3m望远镜、KPNO和CTIO 4m望远镜以及CFHT 3.6m望远镜上获取的观测数据。我们采用特殊技术以确保整个视场内的相对测光定标优于1%。由标准星测量得到的绝对测光精度为6%。绝对定标利用星系光谱进行了修正，提供的颜色精度达到2%或更好。恒星与星系的颜色和计数与预期值吻合良好。最后，作为这些数据科学分析的第一步，我们构建了全波段计数，证实了宇宙的几何结构与星系族群均在演化。
关键词
引用
@article{arxiv.0704.2430,
title = {The First Release COSMOS Optical and Near-IR Data and Catalog},
author = {P. Capak and H. Aussel and M. Ajiki and H. J. McCracken and B. Mobasher and N. Scoville and P. Shopbell and Y. Taniguchi and D. Thompson and S. Tribiano and S. Sasaki and A. W. Blain and M. Brusa and C. Carilli and A. Comastri and C. M. Carollo and P. Cassata and J. Colbert and R. S. Ellis and M. Elvis and M. Giavalisco and W. Green and L. Guzzo and G. Hasinger and O. Ilbert and C. Impey and K. Jahnke and J. Kartaltepe and J-P. Kneib and J. Koda and A. Koekemoer and Y. Komiyama and A. Leauthaud and O. Lefevre and S. Lilly and R. Massey and S. Miyazaki and T. Murayama and T. Nagao and J. A. Peacock and A. Pickles and C. Porciani and A. Renzini and J. Rhodes and M. Rich and M. Salvato and D. B. Sanders and C. Scarlata and D. Schiminovich and E. Schinnerer and M. Scodeggio and K. Sheth and Y. Shioya and L. A. M. Tasca and J. E. Taylor and L. Yan and G. Zamorani},
journal= {arXiv preprint arXiv:0704.2430},
year = {2010}
}
备注
19 pages, 13 figures, 14 tables, Accepted to ApJS for COSMOS speciall issue