AO assisted spectroscopy with SINFONI: PSF, background, and interpolation

Details AO assisted spectroscopy with SINFONI: PSF, background, and interpolation AO assisted spectroscopy with SINFONI: PSF, background, and interpolation

2007-03-02

arxiv.org/abs/astro-ph/0703044v1

Astronomy and Astrophysics

Astrophysics

9 pages, invited contribution to the 2007 ESO Instrument Calibration Workshop

Scientific paper

I discuss 3 widely applicable aspects concerning calibration of the near infrared adaptive optics integral field spectrometer SINFONI: (1) the accuracy with which one needs to quantify the PSF and how this might be achieved in practice; (2) how it is possible to fine tune the background subtraction to minimise the residual OH airglow; and (3) how an altered perspective on calibration data might lead to improvements in interpolation and greater flexibility in reconstructing datacubes.

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