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

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arxiv astro-ph/0703044 v1 pith:YGPCYM6H submitted 2007-03-02 astro-ph

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

classification astro-ph
keywords backgroundcalibrationinterpolationmightsinfoniaccuracyachievedadaptive
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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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