SOFIA飞行计划和执行

IF 1.5 Q3 ASTRONOMY & ASTROPHYSICS

Journal of Astronomical Instrumentation Pub Date : 2018-12-01 DOI:10.1142/S225117171840010X

K. Leppik, K. Bower, C. Kaminski, C. Trinh, T. Civeit, T. Kilsdonk

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引用次数: 3

摘要

平流层红外天文台（SOFIA）是美国国家航空航天局的机载天文台。使用SOFIA进行观测与从地面甚至天基天文台进行观测面临不同的挑战。尽管指向SOFIA类似于指向alt/az望远镜，但定位望远镜不仅需要望远镜组件，还需要飞机。SOFIA的望远镜组件可以在名义上介于20到60之间的高度上移动。由于望远镜指向一架经过改装的波音747飞机的左侧，方位角由飞机的航向决定。因此，观测计划成为飞行计划的基础，科学观测与飞机运行有着内在的联系。本文将讨论在这个独特的天文台上的飞行计划和执行。

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SOFIA Flight Planning and Execution

The Stratospheric Observatory for Infrared Astronomy (SOFIA) is NASA’s airborne observatory. Observing with SOFIA has different challenges than observing from a ground based, or even space-based observatory. Although pointing SOFIA is similar to pointing an alt/az telescope, positioning the telescope requires not only the telescope assembly but also the aircraft. SOFIA’s telescope assembly can move in altitude nominally between 20∘ and 60∘. Since the telescope is pointed out the left side of a modified Boeing 747, the azimuth is determined by the aircraft heading. As a result, observing plans become the basis for a flight plan, and the science observation and aircraft operations are intrinsically linked. This paper will discuss flight planning and execution on this unique observatory.

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来源期刊

Journal of Astronomical Instrumentation ASTRONOMY & ASTROPHYSICS-

CiteScore

2.30

自引率

7.70%

发文量

期刊介绍： The Journal of Astronomical Instrumentation (JAI) publishes papers describing instruments and components being proposed, developed, under construction and in use. JAI also publishes papers that describe facility operations, lessons learned in design, construction, and operation, algorithms and their implementations, and techniques, including calibration, that are fundamental elements of instrumentation. The journal focuses on astronomical instrumentation topics in all wavebands (Radio to Gamma-Ray) and includes the disciplines of Heliophysics, Space Weather, Lunar and Planetary Science, Exoplanet Exploration, and Astroparticle Observation (cosmic rays, cosmic neutrinos, etc.). Concepts, designs, components, algorithms, integrated systems, operations, data archiving techniques and lessons learned applicable but not limited to the following platforms are pertinent to this journal. Example topics are listed below each platform, and it is recognized that many of these topics are relevant to multiple platforms. Relevant platforms include: Ground-based observatories[...] Stratospheric aircraft[...] Balloons and suborbital rockets[...] Space-based observatories and systems[...] Landers and rovers, and other planetary-based instrument concepts[...]