Results of WFC3 Thermal Vacuum Testing: UVIS Readnoise and Dark Current

Details Results of WFC3 Thermal Vacuum Testing: UVIS Readnoise and Dark Current Results of WFC3 Thermal Vacuum Testing: UVIS Readnoise and Dark Current

Mar 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005wfc..rept...13h&link_type=abstract

Instrument Science Report WFC3 2005-13, 6 pages

Computer Science

Hubble Space Telescope, Hst, Space Telescope Science Institute, Wide Field Camera 3, Wfc3

Scientific paper

The dark current and readout noise levels for WFC3's UVIS channel were tested during thermal vacuum testing in September and October, 2004. Measured readnoise values were comparable to those measured during mini-ambient testing (Baggett, 2004 and Hilbert et al., 2004), below the CEI specification of 4 e-, and just above the goal of 3 e-. Measured RMS dark currents were 0.16 - 0.5 e-/pix/hour, lower than those from mini-ambient testing, and well below the CEI specification of 20 e-/pix/hour.

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