The first results from the Herschel-HIFI mission

被引:4
|
作者
van der Tak, Floris [1 ,2 ]
机构
[1] SRON Netherlands Inst Space Res, NL-9747 AD Groningen, Netherlands
[2] Univ Groningen, Kapteyn Astron Inst, NL-9700 AB Groningen, Netherlands
关键词
ISM: structure; astrochemistry; stars: formation; planets: Satellites and comets; stars: AGB and post-AGB; submillimeter observations; STAR-FORMING REGIONS; DENSE INTERSTELLAR CLOUDS; WATER-VAPOR; HYDROGEN-FLUORIDE; MOLECULAR-OXYGEN; DARK GAS; EMISSION; ABSORPTION; DISCOVERY; H2O+;
D O I
10.1016/j.asr.2012.02.027
中图分类号
V [航空、航天];
学科分类号
08 ; 0825 ;
摘要
This paper contains a summary of the results from the first years of observations with the HIFI instrument onboard ESA's Herschel space observatory. The paper starts by outlining the goals and possibilities of far-infrared and submillimeter astronomy, the limitations of the Earth's atmosphere, and the scientific scope of the Herschel-HIFI mission. The presentation of science results from the mission follows the life cycle of gas in galaxies as grouped into five themes: Structure of the interstellar medium, First steps in interstellar chemistry, Formation of stars and planets, Solar system results and Evolved stellar envelopes. The HIFI observations paint a picture where the interstellar medium in galaxies has a mixed, rather than a layered structure; the same conclusion may hold for protoplanetary disks. In addition, the HIFI data show that exchange of matter between comets and asteroids with planets and moons plays a large role. The paper concludes with an outlook to future instrumentation in the far-infrared and submillimeter wavelength ranges. (C) 2012 COSPAR. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码:1395 / 1407
页数:13
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