Deshima 2.0
Rapid Redshift Surveys and Multi-line Spectroscopy of Dusty Galaxies
M. Rybak (TU Delft - Electrical Engineering, Mathematics and Computer Science, Universiteit Leiden)
T. Bakx (National Astronomical Observatory of Japan, Nagoya University)
J. Baselmans (SRON–Netherlands Institute for Space Research, TU Delft - Electrical Engineering, Mathematics and Computer Science)
K. Karatsu (TU Delft - Electrical Engineering, Mathematics and Computer Science, SRON–Netherlands Institute for Space Research)
K. Kohno (University of Tokyo)
T. Takekoshi (Kitami Institute of Technology, University of Tokyo)
A. Taniguchi (Nagoya University)
P. van der werf (Universiteit Leiden)
A. Endo (TU Delft - Electrical Engineering, Mathematics and Computer Science)
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Abstract
We present a feasibility study for the high-redshift galaxy part of the Science Verification Campaign with the 220–440 GHz deshima 2.0 integrated superconducting spectrometer on the ASTE telescope. The first version of the deshima 2.0 chip has been recently manufactured and tested in the lab. Based on these realistic performance measurements, we evaluate potential target samples and prospects for detecting the [CII] and CO emission lines. The planned observations comprise two distinct, but complementary objectives: (1) acquiring spectroscopic redshifts for dusty galaxies selected in far-infrared/mm-wave surveys; (2) multi-line observations to infer physical conditions in dusty galaxies.
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