FLASH+-A Dual-Channel Wide-Band Spectrometer for APEX

被引：46

作者：

Klein, Thomas ^{[1
,2
]}

Ciechanowicz, Miroslaw ^{[2
]}

Leinz, Christian ^{[2
]}

Heyminck, Stefan ^{[2
]}

Guesten, Rolf ^{[2
]}

Kasemann, Christoph ^{[2
]}

Wunsch, Joachim ^{[2
]}

Maier, Doris ^{[3
]}

Sekimoto, Yutaro ^{[4
]}

机构：

[1] European Southern Observ, Vitacura 19001, Santiago De Chi, Chile

[2] Max Planck Inst Radioastron, D-53121 Bonn, Germany

[3] IRAM, Inst Radio Astron Millimetr, St Martin Dheres, France

[4] Natl Astron Observ Japan, Tokyo 1818588, Japan

来源：

IEEE TRANSACTIONS ON TERAHERTZ SCIENCE AND TECHNOLOGY | 2014年 / 4卷 / 05期

关键词：

Astronomical instrumentation; heterodyne receiver; submillimeter (sub-mm) telescope;

D O I：

10.1109/TTHZ.2014.2342498

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：

We report on the design and on-site performance of the recently upgraded FLASH instrument operated at the APEX telescope in the Chilean Atacama desert in 5100 m altitude. The dual-channel receiver allows parallel observations in the atmospheric submillimeter windows between 268 and 516 GHz. A signal of in total 16 GHz is processed simultaneously. Equipped with state-of-the-art sideband separating mixers (spin-off developments from the ALMA bands 7 and 8), its outstanding on-sky performance makes FLASH(+) a most efficient spectral line mapping machine. Operation is fully automated and allows flexible remote observations from the APEX base in San Pedro de Atacama.

引用

页码：588 / 596

页数：9

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