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Title:
CROMOS: A Cryogenic Near-Infrared, Multi-Object Spectrometer for the VLT
Authors:
Genzel, R.; Hofmann, R.; Tomono, D.; Thatte, N.; Eisenhauer, F.; Lehnert, M.; Tecza, M.; Bender, R.
Affiliation:
AA(Max-Planck Institut für extraterrestrische Physik, 85741 Garching, Germany), AB(Max-Planck Institut für extraterrestrische Physik, 85741 Garching, Germany), AC(Max-Planck Institut für extraterrestrische Physik, 85741 Garching, Germany), AD(Max-Planck Institut für extraterrestrische Physik, 85741 Garching, Germany), AE(Max-Planck Institut für extraterrestrische Physik, 85741 Garching, Germany), AF(Max-Planck Institut für extraterrestrische Physik, 85741 Garching, Germany), AG(Max-Planck Institut für extraterrestrische Physik, 85741 Garching, Germany), AH(Universitäts-Sternwarte der Ludwig-Maximilians-Universität München, 81679 München, Germany)
Publication:
Scientific Drivers for ESO Future VLT/VLTI Instrumentation: Proceedings of the ESO Workshop Held in Garching, Germany, 11-15 Juni 2001, ESO ASTROPHYSICS SYMPOSIA. ISBN 3-540-43755-X. Edited by J. Bergeron and G. Monnet. Springer-Verlag, 2002, p. 118
Publication Date:
00/2002
Origin:
ESO; SPRINGER
Abstract Copyright:
(c) 2002: Springer-Verlag
Comment:
ISBN: 3-540-43755-X
DOI:
10.1007/10857019_18
Bibliographic Code:
2002sdef.conf..118G

Abstract

We discuss a cryogenic, multi-object near-infrared spectrometer as a second generation instrument for the VLT. The spectrometer combines 20 to 40 independent integral field units (IFUs), which can be positioned by a cryogenic robot over the entire unvignetted field of the VLT (λ Δλ˜ 4000 and simultaneously covers the J-, H-, and K-bands with three HAWAII 2 detectors. The system is designed for operation both in seeing limited and MCAO modes. Its speed is approximately 3500 times greater than that of ISAAC and 60 times greater than NIRMOS (in H-band). The proposed instrument aims at a wide range of science, ranging from studies of galaxies/clusters in the high-z Universe (dynamics and star formation in z>1 galaxies, evolution of ellipticals, properties of distant, obscured far-IR and X-ray sources), to investigations of nearby starbursts, star clusters and properties of young low mass stars and brown dwarfs.
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