Improved Cosmic Ray Rejection for Slitless Spectroscopic Data

Details Improved Cosmic Ray Rejection for Slitless Spectroscopic Data Improved Cosmic Ray Rejection for Slitless Spectroscopic Data

Jul 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aspc..442..525k&link_type=abstract

Astronomical Data Analysis Software and Systems XX. ASP Conference Proceedings, Vol. 442, proceedings of a Conference held at Se

Astronomy and Astrophysics

Astronomy

1

Scientific paper

We introduce a new method in the aXe software package which allows detection and flagging of deviant pixels when combining dithered slitless spectroscopy data. It follows very closely the techniques that the MultiDrizzle software applies to direct imaging data. We demonstrate the application of the method to WFC3/IR and ACS/WFC slitless data, provide details on the number of previously undetected defects due to cosmic rays and give examples of improved extracted spectra. The limitations of the new method are also discussed.

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