斯隆数字巡天二期超新星巡天：技术总结
天体物理学
2008-11-26 v1
摘要
斯隆数字巡天二期 (SDSS-II) 已启动一项多年期项目，旨在利用重复的五波段 (ugriz) 成像，在 300 平方度的天区内识别并测量中红移 (0.05 < z < 0.35) Ia 型超新星 (SNe Ia) 的光变曲线。巡天区域是位于南银冠、以天赤道为中心、宽 2.5 度的条带，该区域在早年已被多次成像，从而能够构建深度参考图像以发现新天体。超新星成像观测于 2005 至 2007 年的 9 月 1 日至 11 月 30 日期间进行。在前两个观测季，每个区域平均每五个夜晚成像一次。为确定超新星类型和红移，已在大量望远镜上开展了光谱后随观测。在前两个为期三个月的观测季中，巡天发现并测量了 327 颗经光谱确认的 SNe Ia、30 颗可能的 SNe Ia、14 颗确认的 Ib/c 型超新星、32 颗确认的 II 型超新星的光变曲线，此外还有大量经测光识别的 SNe Ia，其中 94 颗已获取宿主星系光谱。本文概述了该项目，并简要描述了前两个观测季完成的观测工作。
引用
@article{arxiv.0708.2749,
title = {The Sloan Digital Sky Survey-II Supernova Survey: Technical Summary},
author = {Joshua A. Frieman and B. Bassett and A. Becker and C. Choi and D. Cinabro and F. DeJongh and D. L. Depoy and B. Dilday and M. Doi and P. M. Garnavich and C. J. Hogan and J. Holtzman and M. Im and S. Jha and R. Kessler and K. Konishi and H. Lampeitl and J. Marriner and J. L. Marshall and D. McGinnis and G. Miknaitis and R. C. Nichol and J. L. Prieto and A. G. Riess and M. W. Richmond and R. Romani and M. Sako and D. P. Schneider and M. Smith and N. Takanashi and K. Tokita and K. van der Heyden and N. Yasuda and C. Zheng and J. Adelman-McCarthy and J. Annis and R. J. Assef and J. Barentine and R. Bender and R. D. Blandford and W. N. Boroski and M. Bremer and H. Brewington and C. A. Collins and A. Crotts and J. Dembicky and J. Eastman and A. Edge and E. Edmondson and E. Elson and M. E. Eyler and A. V. Filippenko and R. J. Foley and S. Frank and A. Goobar and T. Gueth and J. E. Gunn and M. Harvanek and U. Hopp and Y. Ihara and Ž. Ivezić and S. Kahn and J. Kaplan and S. Kent and W. Ketzeback and S. J. Kleinman and W. Kollatschny and R. G. Kron and J. Krzesiński and D. Lamenti and G. Leloudas and H. Lin and D. C. Long and J. Lucey and R. H. Lupton and E. Malanushenko and V. Malanushenko and R. J. McMillan and J. Mendez and C. W. Morgan and T. Morokuma and A. Nitta and L. Ostman and K. Pan and C. M. Rockosi and A. K. Romer and P. Ruiz-Lapuente and G. Saurage and K. Schlesinger and S. A. Snedden and J. Sollerman and C. Stoughton and M. Stritzinger and M. SubbaRao and D. Tucker and P. Vaisanen and L. C. Watson and S. Watters and J. C. Wheeler and B. Yanny and D. York},
journal= {arXiv preprint arXiv:0708.2749},
year = {2008}
}
备注
Submitted to The Astronomical Journal (24 pages, 10 figures)