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

页码：432 / 435

页数：4

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