Early Science Results From the Heterodyne Instrument for the Far Infrared (HIFI) on the Herschel Space Observatory

被引:8
|
作者
Goldsmith, Paul F. [1 ]
Lis, Dariusz C. [2 ]
机构
[1] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA
[2] CALTECH, Div Phys Math & Astron, Pasadena, CA 91125 USA
基金
美国国家航空航天局;
关键词
Submillimeter wave technology; astrophysics; astrochemistry; star formation; EXTRAORDINARY SOURCES HEXOS; WAVE-ASTRONOMY-SATELLITE; STAR-FORMING REGIONS; HYDROGEN-FLUORIDE; MOLECULAR CLOUDS; INTERSTELLAR OH+; WATER-VAPOR; LINE SURVEY; SIGHT-LINE; GAS;
D O I
10.1109/TTHZ.2012.2200553
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The Heterodyne Instrument for the Far Infrared (HIFI) on the Herschel Space Observatory covers 480 to 1250 GHz and 1410 to 1910 GHz for high spectral resolution astronomical spectroscopy. Herschel was launched on 14 May 2009, and following cooldown and commissioning, HIFI has been used along with the other two focal plane instruments for a wide variety of astronomical observations. These have ranged from studies of the structure of the interstellar medium in nearby galaxies to detailed studies of the chemistry in star-forming regions of the Milky Way. Observations of the solar system have yielded new results about water in comets and its relationship to the Earth's oceans. In this paper, following a brief review of the instrument and its performance, we give an overview of the most important HIFI discoveries to date. This is necessarily very selective, but is intended to give a hint of the results obtained with this instrument that has really opened submillimeter wavelengths for high-sensitivity/high-resolution spectroscopy.
引用
收藏
页码:383 / 392
页数:10
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