FIREBall-2:暗弱星系际介质红移发射气球望远镜
天体物理仪器与方法
2020-08-12 v1
摘要
暗弱星系际介质红移发射气球(FIREBall)是一项旨在首次观测中等红移(z~0.7)星系环星系介质的暗弱发射的任务。FIREBall观测的星系组分在星系如何形成与演化中起着关键作用,可能包含大量重子,且最近才在可见光波段于更高红移处被观测到。在此我们报告2018年9月22日从新墨西哥州萨姆纳堡进行的FIREBall-2气球望远镜飞行。该飞行是对光谱仪从原始FIREBall光纤馈入IFU到宽场多目标光谱仪的彻底重新设计的结果。由于气球破洞,飞行提前终止,我们最初的科学目标未能实现。仪器和望远镜的总体灵敏度为90,000 LU,主要由于杂散光引起的噪声增加。我们讨论了FIREBall-2光谱仪的设计、对原始FIREBall载荷的修改,并概述了所有系统的性能。我们成功进行了新型指向控制系统的飞行测试、UV优化的delta掺杂镀膜EMCCD以及非球面光栅。FIREBall-2团队正在重建载荷以在2021年秋季再次尝试飞行,因COVID-19从2020年推迟。
引用
@article{arxiv.2007.08528,
title = {FIREBall-2: The Faint Intergalactic Medium Redshifted Emission Balloon Telescope},
author = {Erika Hamden and D. Christopher Martin and Bruno Milliard and David Schiminovich and Shouleh Nikzad and Jean Evrard and Gillian Kyne and Robert Grange and Johan Montel and Etienne Pirot and Keri Hoadley and Donal O'Sullivan and Nicole Melso and Vincent Picouet and Didier Vibert and Philippe Balard and Patrick Blanchard and Marty Crabill and Sandrine Pascal and Frederi Mirc and Nicolas Bray and April Jewell and Julia Blue Bird and Jose Zorilla and Hwei Ru Ong and Mateusz Matuszewski and Nicole Lingner and Ramona Augustin and Michele Limon and Albert Gomes and Pierre Tapie and Xavier Soors and Isabelle Zenone and Muriel Saccoccio},
journal= {arXiv preprint arXiv:2007.08528},
year = {2020}
}
备注
23 Pages, 14 Figures, Accepted for Publication in ApJ