针对星系团进行z>1超新星深度HST巡天
宇宙学与河外天体物理
2010-03-23 v1
摘要
我们提出了一种利用哈勃太空望远镜(HST)发现和研究高红移Ia型超新星(SNe Ia)的新巡天策略。通过瞄准0.9<z<1.5范围内的大质量星系团，与HST场巡天相比，我们发现超新星的效率提高了一倍，并且在相对无尘埃的红序星系中，超新星探测的总产率提高了三倍。总共发现了16颗红移z>0.95的超新星，其中9颗位于星系团中。该策略提供了一个超新星样本，可用于解耦高红移超新星中宿主星系消光和固有颜色的影响，从而减少超新星宇宙学中最大的系统不确定性之一。
引用
@article{arxiv.0908.3928,
title = {An Intensive HST Survey for z>1 Supernovae by Targeting Galaxy Clusters},
author = {K. S. Dawson and G. Aldering and R. Amanullah and K. Barbary and L. F. Barrientos and M. Brodwin and N. Connolly and A. Dey and M. Doi and M. Donahue and P. Eisenhardt and E. Ellingson and L. Faccioli and V. Fadeyev and H. K. Fakhouri and A. S. Fruchter and D. G. Gilbank and M. D. Gladders and G. Goldhaber and A. H. Gonzalez and A. Goobar and A. Gude and T. Hattori and H. Hoekstra and X. Huang and Y. Ihara and B. T. Jannuzi and D. Johnston and K. Kashikawa and B. Koester and K. Konishi and M. Kowalski and C. Lidman and E. V. Linder and L. Lubin and J. Meyers and T. Morokuma and F. Munshi and C. Mullis and T. Oda and N. Panagia and S. Perlmutter and M. Postman and T. Pritchard and J. Rhodes and P. Rosati and D. Rubin and D. J. Schlegel and A. Spadafora and S. A. Stanford and V. Stanishev and D. Stern and M. Strovink and N. Suzuki and N. Takanashi and K. Tokita and M. Wagner and L. Wang and N. Yasuda and H. K. C. Yee},
journal= {arXiv preprint arXiv:0908.3928},
year = {2010}
}
备注
15 pages, 8 figures, accepted by AJ, see http://www.supernova.lbl.gov for additional information pertaining to the HST Cluster SN Survey