Free Access
Issue
Astron. Astrophys. Suppl. Ser.
Volume 136, Number 1, April I 1999
Page(s) 189 - 192
DOI https://doi.org/10.1051/aas:1999463
Published online 15 April 1999
DOI: 10.1051/aas:1999463

Astron. Astrophys. Suppl. Ser. 136, 189-192

Differential atmospheric refraction in integral-field spectroscopy: Effects and correction

Atmospheric refraction in IFS

S. Arribas - E. Mediavilla - B. García-Lorenzo - C. del Burgo - J.J. Fuensalida

Send offprint request: S. Arribas

Instituto de Astrofísica de Canarias, E-38200 La Laguna, Tenerife, Spain
e-mail: sam@ll.iac.es, emg@ll.iac.es, bgarcia@ll.iac.es, cburgo@ll.iac.es, and jjf@ll.iac.es

Received August 12; accepted November 27, 1998

Abstract:

The basic concepts for determining the effect of differential atmospheric refraction on integral-field (two-dimensional) spectroscopic observations are presented, and a method for correcting the spectra from this effect is given. The method is demonstrated with real data.

Key words: atmospheric effects -- instrumentation: spectrographs -- techniques: spectroscopic

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