暗能量光谱仪概览
天体物理仪器与方法
2018-07-26 v1
摘要
暗能量光谱仪（Dark Energy Spectroscopic Instrument, DESI）正在建造中，以利用重子声学振荡技术测量宇宙的膨胀历史。在实验寿命期间，将测量 14000 平方度上 3500 万个星系和类星体的光谱。为 KPNO Mayall 望远镜研制的新主焦点改正镜将把光输送到 5000 个光纤定位器。这些光纤进而馈入十台宽带光谱仪。我们介绍该仪器的概览、主要技术要求与挑战，以及项目的当前状态。
引用
@article{arxiv.1807.09287,
title = {Overview of the Dark Energy Spectroscopic Instrument},
author = {Paul Martini and Stephen Bailey and Robert W. Besuner and David Brooks and Peter Doel and Jerry Edelstein and Daniel Eisenstein and Brenna Flaugher and Gaston Gutierrez and Stewart E. Harris and Klaus Honscheid and Patrick Jelinsky and Richard Joyce and Stephen Kent and Michael Levi and Francisco Prada and Claire Poppett and David Rabinowitz and Constance Rockosi and Laia Cardiel Sas and David J. Schlegel and Michael Schubnell and Ray Sharples and Joseph H. Silber and David Sprayberry and Risa Wechsler},
journal= {arXiv preprint arXiv:1807.09287},
year = {2018}
}
备注
11 pages, 4 figures