STIS PSFs at Pseudo-Apertures {Cycle 10}

Details STIS PSFs at Pseudo-Apertures {Cycle 10} STIS PSFs at Pseudo-Apertures {Cycle 10}

Jul 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001hst..prop.8928g&link_type=abstract

HST Proposal ID #8928

Physics

Hst Proposal Id #8928

Scientific paper

Spectroscopic PSF Measurements are performed for the new pseudo-apertures located near CCD row 900, which are made available to ameliorate CCD CTE losses. We plan to acquire a set of deep spectroscopic images of isolated point sources with STIS for the purpose of correcting spectroscopic science observations for dispersed residual scattered light along the slit from the {point-like} central object. PSFs are obtained for the 52x0.05E1, 52x0.1E1, 52x0.2E1, and 52x0.5E1 slits. Every CCD Low-resolution grating is being used, as well as heavily used Medium-resolution modes. Two bright stars will be observed: A G dwarf and a K giant. These spectral types are similar to those of popular science projects using the pseudo-apertures for which accurate knowledge of the PSF is important. For very hot stars or AGNs, PSFs can be constructed from data taken within the cycle 10 calibration proposal "Spectroscopic Sensitivity: First-Order Modes".

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