... Since Nov 8, 2012 (green vertical line), the UVIS darks have been post-flashed, i.e., a background of 12 e-/pix is applied to ... The green vertical line (Nov 8, 2012) marks the start of post-flash for UVIS dark frames (see text). ...
... Figures 3a and 4a show the effects of a low-level post flash illumination of 100 (cyan points) and 200 (green points) e-, respectively, while Figures 3b and 4b do the same for higher levels, namely 500 (blue points), 1000 (cyan points) and 2000 (green ...
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Ссылки http://www.stsci.edu/hst/wfc3/documents/ISRs/2003/WFC3-2003-01.pdf -- 1294.4 Кб -- 25.09.2008 Похожие документы
... while the second one burns it into flash memory for storage when powered off ... There are green LEDs next to the fiber optic receivers inside the electronics box ... If the green light turns on, you have a functional fiber optic comm link and can ...
... on the date shown by the green line in Nov. 2012) when we began measuring darks made with post-flash ( WFC3 ISR 2014-04 ... The green vertical line indicates when we began to measure darks made with post-flash in Nov. 2012 (see WFC3 ISR 2014-04) to ...
... with exposure times longer than ~ 200 s are urged to use MODE=TIME-TAG and FLASH=YES ... The resulting lamp flash will illuminate the WCA, allowing one to track the drift ... By default, FLASH=NO for all imaging modes. ...
... blue) spectrum contains grid-wire shadows (indicated by the vertical lines), which are corrected in the lower (green) spectrum ... For FLASH=YES exposures the time-since-last-grating-motion clock is not reset by an FP-POS movement. ...