Advanced optimal extraction for the Spitzer/IRS

Lebouteiller, V.; Bernard-Salas, J.; Sloan, G. C. and Barry, D. J. (2010). Advanced optimal extraction for the Spitzer/IRS. Publications of the Astronomical Society of the Pacific, 122(888) pp. 231–240.




We present new advances in the spectral extraction of point-like sources adapted to the Infrared Spectrograph onboard the Spitzer Space Telescope. For the first time, we created a super-sampled point spread function of the low-resolution modules. We describe how to use the point spread function to perform optimal extraction of a single source and of multiple sources within the slit. We also examine the case of the optimal extraction of one or several sources with a complex background. The new algorithms are gathered in a plugin called AdOpt which is part of the SMART data analysis software.

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