Index A ACCUM mode UVIS 96 Apertures IR 109 UVIS 69, 71 B Background Earth-shine 137, 163, 165 IR 132 sky 161 zodiacal 132, 137, 163, 166 Bad pixels IR 61 UVIS 43, 100 Bias correction overscan (UVIS, binned) 98 overscan (UVIS) 97, 292 reference pixels (IR) 55, 292 Binning 34, 69 overheads 177 Buffer dumps 304-file limit 175 IR 123, 175 UVIS 175 C Calibration calwf3 290 Cycle 17 294 pipeline steps 292 spectra 293 CCDs see UVIS 31 Charge-transfer efficiency UVIS 46 Citation ii Comparing HST instruments detector characteristics 20 discovery efficiencies 22 fields of view 19 throughputs 21 wavelength ranges 18 Contact info 6 Coordinate systems IR 106 UVIS 65 Correlated Double Sampling read noise 58 Cosmic rays IR 128 UVIS 45, 100 D Dark current IR 57 UVIS 42 Data format data quality flags 293 file name suffixes 291 image extensions (IR) 290 image extensions (UVIS) 33, 290 Detector characteristics 8, 20, 30 Discovery efficiencies 22 Dithering 279 IR 134 UVIS 102 E Exposure time calculation 151 calculation examples 167 IR 122, 126 UVIS 96 Extinction 167 F Field of view comparing HST instruments 19 IR 106 UVIS 65 Filter wheels IR 11, 14 UVIS 11, 13 Filters IR 110 IR Definitions 111 IR/F098M 249 IR/F105W 250 IR/F110W 251 IR/F125W 252 IR/F126N 253 IR/F127M 254 IR/F128N 255 IR/F130N 256 IR/F132N 257 IR/F139M 258 IR/F140W 259 IR/F153M 260 IR/F160W 261 IR/F164N 262 IR/F167N 263 UVIS 72 UVIS quad 84 UVIS/F200LP 187 UVIS/F218W 188 UVIS/F225W 189 UVIS/F275W 190 UVIS/F280N 191 UVIS/F300X 192 UVIS/F336W 193 UVIS/F343N 194 UVIS/F350LP 195 UVIS/F373N 196 UVIS/F390M 197 UVIS/F390W 198 UVIS/F395N 199 UVIS/F410M 200 UVIS/F438W 201 UVIS/F467M 202 UVIS/F469N 203 UVIS/F475W 204 UVIS/F475X 205 UVIS/F487N 206 UVIS/F502N 207 UVIS/F547M 208 UVIS/F555W 209 UVIS/F600LP 210 UVIS/F606W 211 UVIS/F621M 212 UVIS/F625W 213 UVIS/F631N 214 UVIS/F645N 215 UVIS/F656N 216 UVIS/F657N 217 UVIS/F658N 218 UVIS/F665N 219 UVIS/F673N 220 UVIS/F680N 221 UVIS/F689M 222 UVIS/F763M 223 UVIS/F775W 224 UVIS/F814W 225 UVIS/F845M 226 UVIS/F850LP 227 UVIS/F953N 228 UVIS/FQ232N 229 UVIS/FQ243N 230 UVIS/FQ378N 231 UVIS/FQ387N 232 UVIS/FQ422M 233 UVIS/FQ436N 234 UVIS/FQ437N 235 UVIS/FQ492N 236 UVIS/FQ508N 237 UVIS/FQ575N 238 UVIS/FQ619N 239 UVIS/FQ634N 240 UVIS/FQ672N 241 UVIS/FQ674N 242 UVIS/FQ727N 243 UVIS/FQ750N 244 UVIS/FQ889N 245 UVIS/FQ906N 246 UVIS/FQ924N 247 UVIS/FQ937N 248 FITS files IR 290 UVIS 33, 290 Flat fields IR 58 UVIS 36 Focal plane 10 Fringing 38 Full-well IR 128 UVIS 100 G Gain IR 30, 128 UVIS 30, 40, 100 Geometric distortion IR 106, 276 linear 284 pixel area map (IR) 278 pixel area map (UVIS) 276 UVIS 65, 274 Ghosts IR 116 UVIS 87, 95 Grisms 140, 141, 145 calibration 293 direct image (UVIS) 143 IR 144 orbit calculation 181 software 149 throughput (IR) 146, 147 throughput (UVIS) 142 UVIS 141 Guide stars 172, 280 H HST focal-plane layout 10 I Image extensions IR 290 UVIS 33, 290 Image persistence IR 129, 285 UVIS 100 IR 108, 145 apertures 109 blue leaks 115 coordinate systems 106 cosmic rays 128 dark current 57 exposure time 122, 126 field of view 106 filters 110 filters, medium-band 114 filters, narrow-band 114 filters, wide-band 114 flat fields 58 full-well 128 gain 30, 128 geometric distortion 106, 276 grisms 144 intra-pixel response 121 linearity 59 MULTIACCUM mode 122 MULTIACCUM timing sequence 123 pixel size 106 point-spread function 117 quantum efficiency 56 ramps 50 read noise 58 readout formats 290 reference pixels 55 saturation 59 subarrays 108, 127 L Leaks IR blue leaks 115 UVIS red leaks 85 Limiting magnitudes IR 128 UVIS 99 Linearity IR 59 UVIS 40 M Mode IR MULTIACCUM 122 UVIS ACCUM 96 Mosaicking 279 MULTIACCUM mode 122 timing sequence 123 O Optical layout 9 Overheads buffer dumps 123, 174 filter and channel select 176 guide-star acquisition 172, 280 instrument 176 observatory 173 P Parallel observations 103 Patterns 281 Pixel size IR 106 UVIS 65 Point-spread function breathing (IR) 121 breathing (UVIS) 93 droplets (UVIS) 101 encircled energy (IR) 118 encircled energy (UVIS) 91 inter-pixel capacitance (IR) 122 intra-pixel response (IR) 121 pixel response function (UVIS) 94 sharpness (IR) 117 sharpness (UVIS) 90 shutter-induced vibration (UVIS) 100 POS TARG 65, 106 Proposing 25 Q Quantum efficiency IR 56 UVIS 34 Quantum yield, UV 35 R Read noise Correlated Double Sampling (IR) 58 effective (IR) 58 UVIS 41 Readout formats IR 53 UVIS 33 Reference point 69 S Saturation IR 59, 128 UVIS 40, 100 Sensitivity 152 grisms 148 IR 128 units 184 UVIS 99 Servicing Mission Observatory Verification 1, 294 Signal-to-noise ratio 160, 185 Slitless spectroscopy 140, 158 sky background 162 Stray light IR 134 UVIS 102 Subarrays 34, 108 IR 108, 127 overheads 176 UVIS 68, 71 T Throughputs comparing HST instruments 21 Timing sequences (IR) 123 subarray 127 U UV quantum yield 35 UVIS 141 ACCUM mode 96 apertures 69, 71 bad pixels 43 binning 69, 98 charge-transfer efficiency 46, 100 coordinate systems 65 cosmic rays 45, 100 crosstalk 49 dark current 42 droplets 101 exposure time 96 field of view 65 filters 72 filters, medium-band 81 filters, narrow-band 81 filters, quad 84 filters, ultra-wide 80 filters, UV 80 filters, wide-band 81 FITS files 33 flat fields 36 fringing 38 full-well 100 gain 30, 40, 100 geometric distortion 65, 274 grism 141 guide stars and quad filters 173 hot pixels 100 inter-chip gap 31, 180 linearity 40 overscan 97 pixel size 65 point-spread function 90 quantum efficiency 34 read noise 41 readout formats 33, 290 red leaks 85 saturation 40 shutter 14 shutter-induced vibration 100 subarrays 68, 71 UV quantum yield 35 W Wavelength ranges 18 Z Zodiacal light 132, 137, 163, 166
