GROND - a 7-channel imager
J. Greiner, W. Bornemann, C. Clemens, M. Deuter, G. Hasinger, M., Honsberg, H. Huber, S. Huber, M. Krauss, T. Kr\"uhler, A. K\"upc\"u, Yolda\c{s}, H. Mayer-Hasselwander, B. Mican, N. Primak, F. Schrey, I., Steiner, G. Szokoly, C.C. Th\"one, A. Yolda\c{s}, S. Klose, U. Laux, J.
TL;DR
GROND is a 7-channel imager enabling simultaneous optical and near-infrared observations, designed for rapid gamma-ray burst afterglow imaging, with performance and calibration results demonstrated at La Silla Observatory.
Contribution
It introduces a novel 7-channel imager capable of simultaneous multi-band imaging for rapid transient observations.
Findings
Successful commissioning at La Silla Observatory
Demonstrated performance and calibration of the instrument
Enabled rapid multi-band observations of gamma-ray bursts
Abstract
We describe the construction of GROND, a 7-channel imager, primarily designed for rapid observations of gamma-ray burst afterglows. It allows simultaneous imaging in the Sloan g'r'i'z' and near-infrared bands. GROND was commissioned at the MPI/ESO 2.2m telescope at La Silla (Chile) in April 2007, and first results of its performance and calibration are presented.
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