Imaging FTS: A Different Approach to Integral Field Spectroscopy
Author(s) -
Laurent Drissen,
Laurie Rousseau-Nepton,
Sébastien Lavoie,
Carmelle Robert,
Thomas Martin,
Pierre Martin,
Julie Mandar,
Frédéric Grandmont
Publication year - 2014
Publication title -
advances in astronomy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.364
H-Index - 34
eISSN - 1687-7977
pISSN - 1687-7969
DOI - 10.1155/2014/293856
Subject(s) - physics , telescope , hyperspectral imaging , spectroscopy , emission spectrum , successor cardinal , remote sensing , field (mathematics) , galaxy , optics , astronomy , astrophysics , spectral line , geography , mathematical analysis , mathematics , pure mathematics
Imaging Fourier transform spectroscopy (iFTS) is a promising, although technically very challenging, option for wide-field hyperspectral imagery. We present in this paper an introduction to the iFTS concept and its advantages and drawbacks, as well as examples of data obtained with a prototype iFTS, SpIOMM, attached to the 1.6 m telescope of the Observatoire du Mont-Mégantic: emission line ratios in the spiral galaxy NGC 628 and absorption line indices in the giant elliptical M87. We conclude by introducing SpIOMM's successor, SITELLE, which will be installed at the Canada-France-Hawaii Telescope in 2014
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