ZEUS-2: a second generation submillimeter grating spectrometer for exploring distant galaxies

ZEUS-2, the second generation (z)Redshift and Early Universe Spectrometer, like its predecessor is a moderate resolution (R~1000) long-slit, echelle grating spectrometer optimized for the detection of faint, broad lines from distant galaxies. It is designed for studying star-formation across cosmic...

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Bibliographic Details
Published in:arXiv.org 2010-10
Main Authors: Ferkinhoff, Carl, Thomas, Nikola, Parshley, Stephen C, Stacey, Gordon J, Irwin, Kent D, Hsiao-Mei, Cho, Halpern, Mark
Format: Article
Language:English
Subjects:
Bolometers
Echelle gratings
Galaxies
Mapping
Multiplexers
Red shift
Star & galaxy formation
Star formation
Universe
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Summary:ZEUS-2, the second generation (z)Redshift and Early Universe Spectrometer, like its predecessor is a moderate resolution (R~1000) long-slit, echelle grating spectrometer optimized for the detection of faint, broad lines from distant galaxies. It is designed for studying star-formation across cosmic time. ZEUS-2 employs three TES bolometer arrays (555 pixels total) to deliver simultaneous, multi-beam spectra in up to 4 submillimeter windows. The NIST Boulder-built arrays operate at ~100mK and are readout via SQUID multiplexers and the Multi-Channel Electronics from the University of British Columbia. The instrument is cooled via a pulse-tube cooler and two-stage ADR. Various filter configurations give ZEUS-2 access to 7 different telluric windows from 200 to 850 micron enabling the simultaneous mapping of lines from extended sources or the simultaneous detection of the 158 micron [CII] line and the [NII] 122 or 205 micron lines from z = 1-2 galaxies. ZEUS-2 is designed for use on the CSO, APEX and possibly JCMT.
ISSN:2331-8422
DOI:10.48550/arxiv.1010.1439