ACS SBC Image Quality Verification

Details ACS SBC Image Quality Verification ACS SBC Image Quality Verification

Jul 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001hst..prop.9023h&link_type=abstract

HST Proposal ID #9023

Computer Science

Hst Proposal Id #9023

Scientific paper

This activity will obtain a series of images to evaluate the point source image quality over the field of view of the ACS SBC channel, after the corrector mechanisms have been used to optimize the image focus and symmetry using the HRC channel. NGC 6681 {18.7 h, -32 deg} will be the target, as this star field has been used extensively by the STIS program for UV PSF measurement and photometry. High SNR images will be obtained in the F125LP and F150LP filters, with dithers in each axis. Images will also be obtained with the F122M filter, at lower SNR, for direct comparison with CEI specs at Lyman alpha. The field will also be observed with the HRC {F250W} to establish the relative aperture location/orientation.

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