Wide Field Camera 3
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Posted by Sam Pascarelle on July 13, 1999 at 11:40:22:

I'd like to suggest that a series of medium-band (deltaz~5%) filters be included with the IR filter
set. As Esther Hu mentioned, the narrow-band WFPC2 filters were not well suited for searching
for very high redshift emission-line objects, but medium-band filters have proven quite useful
(Pascarelle et al., 1998, AJ, 116, 2659). As Peter Eisenhardt points out, it would be most useful to
place these medium-band filters in wavelength regions inaccessible to ground-based telescopes
due to strong night sky emission. I also support the idea of including an "open" filter in the IR filter
set (0.9-1.9um) - the scientific returns would be numerous.

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