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Proceedings Paper

Performance of HAWK-I: the new high acuity wide-field K-band imager
Author(s): M. Kissler-Patig; N. Ageorges; C. Alves de Oliveira; L. R. Bedin; E. Bendek; M. Casali; R. Dorn; R. Esteves; G. Finger; D. Gojak; Y. Jung; M. Kiekebusch; A. Moorwood; J.-L. Lizon; M. Petr-Gotzens; J. F. Pirard; J. Pritchard; F. Selman
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Paper Abstract

HAWK-I is the newly commissioned High Acuity Wide-field K-band Imager at the ESO Very Large Telescope. It is a 0.9-2.5 micron imager with a field of view of 7.5×7.5 arcmin sampled at 106 mas with four Hawaii2RG detectors. It has a full reflective design that was optimised for image quality and throughput.We present an overview of its performance as measured during the commissioning and first science runs. In particular, we describe a detector read-out mode that allows us to increase the useful dynamic range of the detector, and a distortion calibration resulting in <5mas relative astrometry across the field.

Paper Details

Date Published: 9 July 2008
PDF: 8 pages
Proc. SPIE 7014, Ground-based and Airborne Instrumentation for Astronomy II, 70140Q (9 July 2008); doi: 10.1117/12.787009
Show Author Affiliations
M. Kissler-Patig, European Southern Observatory (Germany)
N. Ageorges, European Southern Observatory (Chile)
Max-Planck-Institut für extraterrestrische Physik (Germany)
C. Alves de Oliveira, European Southern Observatory (Germany)
L. R. Bedin, European Southern Observatory (Germany)
Space Telescope Science Institute (United States)
E. Bendek, European Southern Observatory (Chile)
M. Casali, European Southern Observatory (Germany)
R. Dorn, European Southern Observatory (Germany)
R. Esteves, European Southern Observatory (Germany)
G. Finger, European Southern Observatory (Germany)
D. Gojak, European Southern Observatory (Germany)
Y. Jung, European Southern Observatory (Germany)
M. Kiekebusch, European Southern Observatory (Germany)
A. Moorwood, European Southern Observatory (Germany)
J.-L. Lizon, European Southern Observatory (Germany)
M. Petr-Gotzens, European Southern Observatory (Germany)
J. F. Pirard, European Southern Observatory (Germany)
J. Pritchard, European Southern Observatory (Germany)
F. Selman, European Southern Observatory (Chile)


Published in SPIE Proceedings Vol. 7014:
Ground-based and Airborne Instrumentation for Astronomy II
Ian S. McLean; Mark M. Casali, Editor(s)

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