HighSpec - a Novel High-Resolution Narrow Band-Pass Spectrograph

被引：1

作者：

Rimalt, Yahel Sofer ^{[1
]}

Ben Ami, Sagi ^{[1
]}

Mazeh, Tsevi ^{[2
]}

Shahaf, Sahar ^{[1
]}

Hallakoun, Na'ama ^{[1
]}

Perdelwitz, Volker ^{[3
,4
]}

机构：

[1] Weizmann Inst Sci, Dept Particle Phys & Astrophys, IL-7610001 Rehovot, Israel

[2] Tel Aviv Univ, Sch Phys & Astron, IL-6997801 Tel Aviv, Israel

[3] Weizmann Inst Sci, Helen Kimmel Ctr Planetary Sci, IL-7610001 Rehovot, Israel

[4] Univ Hamburg, Hamburger Sternwarte, Gojenbergsweg 112, D-21029 Hamburg, Germany

来源：

GROUND-BASED AND AIRBORNE INSTRUMENTATION FOR ASTRONOMY IX | 2022年 / 12184卷

关键词：

High-resolution spectroscopy; ion-etched grating; multi-traces spectroscopy; HighSpec; MAST; MASS; DWARFS; I;

D O I：

10.1117/12.2631190

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

We review the novel structure of HighSpec - a spectrograph designed for the Multi-Aperture-Spectroscopic Telescope (MAST). HighSpec's optical setup achieves high spectral resolution of R similar to 20, 000, while maintaining an exceptionally high throughput with a peak efficiency of greater than or similar to 55% over a narrow band-pass of similar to 140 angstrom. This is made possible by using highly optimized ion-etched binary mask gratings and an electron-multiplying CCD (EMCCD) detector. HighSpec will include three gratings centered at the Ca II H&K, Mgb, and Ha lines. Therefore, HighSpec is highly versatile. Its potential science cases include systematic surveys of flaring M dwarfs; Doppler tomography studies of exoplanet obliquity; dynamical studies of the local population of short-period double white dwarfs; and follow-up of candidate dormant black holes (BHs) and neutrons stars in binary systems.

引用

页数：9

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