3D Spectroscopy and the Virtual Observatory

Details 3D Spectroscopy and the Virtual Observatory 3D Spectroscopy and the Virtual Observatory

2007-08-15

arxiv.org/abs/0708.2111v1

Astronomy and Astrophysics

Astrophysics

8 pages, 4 figures, invited review to appear in Astronomical Spectroscopy and the Virtual Observatory

Scientific paper

Integral field, or 3D, spectroscopy is the technique of obtaining spectral information over a two-dimensional, hopefully contiguous, field of view. While there is some form of astronomical 3D spectroscopy at all wavelengths, there has been a rapid increase in interest in optical and near-infrared 3D spectroscopy. This has resulted in the deployment of a large variety of integral-field spectrographs on most of the large optical/infrared telescopes. The amount of IFU data available in observatory archives is large and growing rapidly. The complications of treating IFU data as both imaging and spectroscopy make it a special challenge for the virtual observatory. This article describes the various techniques of optical and near-infrared spectroscopy and some of the general needs and issues related to the handling of 3D data by the virtual observatory.

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