First images from HERO, a hard X-ray focusing telescope

被引：58
|
作者：
Ramsey, BD [1 ]
Alexander, CD
Apple, JA
Benson, CM
Dietz, KL
Elsner, RF
Engelhaupt, DE
Ghosh, KK
Kolodziejczak, JJ
O'Dell, SL
Speegle, CO
Swartz, DA
Weisskopf, MC
机构：
[1] NASA, Sci Directorate, George C Marshall Space Flight Ctr, Huntsville, AL 35812 USA
[2] Univ Alabama, Ctr Appl Opt, Huntsville, AL 35899 USA
[3] Raytheon ITSS, Lanham, MD 20706 USA
[4] NASA, Univ Space Res Assoc, George C Marshall Space Flight Ctr, Huntsville, AL 35812 USA
来源：
ASTROPHYSICAL JOURNAL | 2002年 / 568卷 / 01期
关键词：
balloons; instrumentation : detectors; stars : imaging telescopes; X-rays : general;
D O I：
10.1086/338801
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We are developing a balloon-borne hard X-ray telescope that utilizes grazing-incidence optics. Termed HERO, for High-Energy Replicated Optics, the instrument will provide unprecedented sensitivity in the hard X-ray region and will achieve millicrab-level sensitivity in a typical 3 hr balloon-flight observation and 50 mucrab sensitivity on ultralong-duration flights. A recent proof-of-concept flight, featuring a small number of mirror shells, captured the first focused hard X-ray images of galactic X-ray sources. Full details of the pay-load, its expected future performance, and its recent measurements are provided.
引用
收藏
页码：432 / 435
页数：4
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