|
| 1 | +=============================== |
| 2 | +offline_matched_coadd_ccds_main |
| 3 | +=============================== |
| 4 | + |
| 5 | +:Summary: *This section should be filled in with a high-level description of |
| 6 | + this file. In general, you should remove or replace the emphasized text |
| 7 | + (\*this text is emphasized\*) in this document.* |
| 8 | +:Naming Convention: ``offline_matched_coadd_ccds_main-thru_20241117.fits``, where ... *Give a human readable |
| 9 | + description of the filename, e.g. ``blat-{EXPID}`` where ``{EXPID}`` |
| 10 | + is the 8-digit exposure ID.* |
| 11 | +:Regex: ``offline_matched_coadd_ccds_main-thru_20241117.fits`` *Give a regular expression for this filename. |
| 12 | + For example, a six-digit number would correspond to ``[0-9]{6}``.* |
| 13 | +:File Type: FITS, 250 MB *This section gives the type of the file |
| 14 | + and its approximate size.* |
| 15 | + |
| 16 | +Contents |
| 17 | +======== |
| 18 | + |
| 19 | +====== ======= ======== =================== |
| 20 | +Number EXTNAME Type Contents |
| 21 | +====== ======= ======== =================== |
| 22 | +HDU0_ IMAGE *Brief Description* |
| 23 | +HDU1_ BINTABLE *Brief Description* |
| 24 | +HDU2_ BINTABLE *Brief Description* |
| 25 | +HDU3_ BINTABLE *Brief Description* |
| 26 | +====== ======= ======== =================== |
| 27 | + |
| 28 | + |
| 29 | +FITS Header Units |
| 30 | +================= |
| 31 | + |
| 32 | +HDU0 |
| 33 | +---- |
| 34 | + |
| 35 | +*Summarize the contents of this HDU.* |
| 36 | + |
| 37 | +This HDU has no non-standard required keywords. |
| 38 | + |
| 39 | +Empty HDU. |
| 40 | + |
| 41 | +HDU1 |
| 42 | +---- |
| 43 | + |
| 44 | +*Summarize the contents of this HDU.* |
| 45 | + |
| 46 | +Required Header Keywords |
| 47 | +~~~~~~~~~~~~~~~~~~~~~~~~ |
| 48 | + |
| 49 | +.. collapse:: Required Header Keywords Table |
| 50 | + |
| 51 | + .. rst-class:: keywords |
| 52 | + |
| 53 | + ====== ============= ==== ===================== |
| 54 | + KEY Example Value Type Comment |
| 55 | + ====== ============= ==== ===================== |
| 56 | + NAXIS1 1749 int length of dimension 1 |
| 57 | + NAXIS2 140700 int length of dimension 2 |
| 58 | + ====== ============= ==== ===================== |
| 59 | + |
| 60 | +Required Data Table Columns |
| 61 | +~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| 62 | + |
| 63 | +.. rst-class:: columns |
| 64 | + |
| 65 | +============================ =========== ===== ================================================================================ |
| 66 | +Name Type Units Description |
| 67 | +============================ =========== ===== ================================================================================ |
| 68 | +MEDIAN float64 |
| 69 | +MEAN float64 |
| 70 | +N_NON_FINITE int64 |
| 71 | +MAX float64 |
| 72 | +MIN float64 |
| 73 | +SIG_ROBUST float64 |
| 74 | +SIG float64 |
| 75 | +MEDIAN_Q1 float64 |
| 76 | +MEAN_Q1 float64 |
| 77 | +N_NON_FINITE_Q1 int64 |
| 78 | +MAX_Q1 float64 |
| 79 | +MIN_Q1 float64 |
| 80 | +SIG_ROBUST_Q1 float64 |
| 81 | +SIG_Q1 float64 |
| 82 | +MEDIAN_Q2 float64 |
| 83 | +MEAN_Q2 float64 |
| 84 | +N_NON_FINITE_Q2 int64 |
| 85 | +MAX_Q2 float64 |
| 86 | +MIN_Q2 float64 |
| 87 | +SIG_ROBUST_Q2 float64 |
| 88 | +SIG_Q2 float64 |
| 89 | +MEDIAN_Q3 float64 |
| 90 | +MEAN_Q3 float64 |
| 91 | +N_NON_FINITE_Q3 int64 |
| 92 | +MAX_Q3 float64 |
| 93 | +MIN_Q3 float64 |
| 94 | +SIG_ROBUST_Q3 float64 |
| 95 | +SIG_Q3 float64 |
| 96 | +MEDIAN_Q4 float64 |
| 97 | +MEAN_Q4 float64 |
| 98 | +N_NON_FINITE_Q4 int64 |
| 99 | +MAX_Q4 float64 |
| 100 | +MIN_Q4 float64 |
| 101 | +SIG_ROBUST_Q4 float64 |
| 102 | +SIG_Q4 float64 |
| 103 | +CAMERA char[6] Camera identifier. Passband and SPECGRPH ([brz][0-9]). |
| 104 | +EXTNAME char[6] |
| 105 | +CONTRAST float64 |
| 106 | +SKY_MAG_AB float64 |
| 107 | +SKY_MAG_AB_SUBREGION float64 |
| 108 | +SKY_MAG_AB_PER_AMP float32[4] |
| 109 | +PETAL_LOC binary Petal location [0-9] |
| 110 | +EXPID int64 DESI Exposure ID number |
| 111 | +MJD float64 d Modified Julian Date when shutter was opened for this exposure |
| 112 | +LST_DEG float64 |
| 113 | +MOON_ILLUMINATION float64 |
| 114 | +PROGRAM char[88] DESI program type - BRIGHT, DARK, BACKUP, OTHER |
| 115 | +SKYRA float64 |
| 116 | +SKYDEC float64 |
| 117 | +ZENITH_DIST_DEG float64 |
| 118 | +DOMSHUTL char[8] |
| 119 | +DOMSHUTU char[8] |
| 120 | +PMCOVER char[8] |
| 121 | +MOONRA float64 |
| 122 | +MOONDEC float64 |
| 123 | +MOON_ZD_DEG float64 |
| 124 | +T_C_FOR_DARK float64 |
| 125 | +T_C_FOR_DARK_IS_GUESS int64 |
| 126 | +TIME_S_FOR_DARK float64 |
| 127 | +NIGHT int64 Night of observation (YYYYMMDD) starting at local noon before observations start |
| 128 | +FOCUS char[39] |
| 129 | +EXPTIME float64 s Length of time shutter was open |
| 130 | +CUBE_INDEX int64 |
| 131 | +COADD_INDEX_START int64 |
| 132 | +COADD_INDEX_END int64 |
| 133 | +COADD_MJDOBS_MIN float64 |
| 134 | +COADD_MJDOBS_MAX float64 |
| 135 | +RACEN float64 |
| 136 | +DECCEN float64 |
| 137 | +FNAME_RAW char[76] |
| 138 | +GITREV char[7] |
| 139 | +FIBER_FRACFLUX float64 |
| 140 | +FIBER_FRACFLUX_ELG float64 |
| 141 | +FIBER_FRACFLUX_BGS float64 |
| 142 | +N_SOURCES_FOR_PSF int64 |
| 143 | +APER_CORR_FAC float64 |
| 144 | +XCENTROID_PSF float64 |
| 145 | +YCENTROID_PSF float64 |
| 146 | +PSF_FWHM_PIX float64 |
| 147 | +PSF_FWHM_ASEC float64 |
| 148 | +PSF_CENTROID_CBOX float64 |
| 149 | +PSF_CENTROID_FAILED int64 |
| 150 | +RADPROF_FWHM_ASEC float64 |
| 151 | +PSF_CENTROIDING_FLAG int64 |
| 152 | +PSF_ASYMMETRY_RATIO float32 |
| 153 | +PSF_ASYMMETRY_NUMERATOR float32 |
| 154 | +PSF_ASYMMETRY_DENOMINATOR float32 |
| 155 | +PSF_TOTAL_FLUX float32 |
| 156 | +PROFILE_RADIUS_PIX float32[26] |
| 157 | +PSF_RADIAL_PROFILE float32[26] |
| 158 | +MOUNTHA_HEADER float64 |
| 159 | +MOUNTDEC_HEADER float64 |
| 160 | +HA_DEG float64 |
| 161 | +HA_DEG_PER_GFA float64 |
| 162 | +MOON_SEP_DEG float64 |
| 163 | +ZD_DEG_PER_GFA float64 |
| 164 | +HEADER_AIRMASS float64 |
| 165 | +AIRMASS float64 Average airmass during this exposure |
| 166 | +AIRMASS_PER_GFA float64 |
| 167 | +ZP_ADU_PER_S float64 |
| 168 | +N_STARS_FOR_ZP int64 |
| 169 | +TRANSPARENCY float64 |
| 170 | +KTERM float32 |
| 171 | +FRACFLUX_NOMINAL_POINTSOURCE float32 |
| 172 | +FRACFLUX_NOMINAL_ELG float32 |
| 173 | +FRACFLUX_NOMINAL_BGS float32 |
| 174 | +DET_SN_THRESH float64 |
| 175 | +NPIX_BAD_TOTAL int64 |
| 176 | +NPIX_BAD_PER_AMP int64[4] |
| 177 | +OVERSCAN_MEDIANS_ADU float32[4] |
| 178 | +PRESCAN_MEDIANS_ADU float32[4] |
| 179 | +FWHM_MAJOR_PIX float64 |
| 180 | +FWHM_MINOR_PIX float64 |
| 181 | +FWHM_PIX float64 |
| 182 | +FWHM_ASEC float64 |
| 183 | +N_SOURCES int64 |
| 184 | +N_SOURCES_FOR_SHAPE int64 |
| 185 | +NAXIS int64[2] |
| 186 | +CD float64[4] |
| 187 | +CDELT float64[2] |
| 188 | +CRPIX float64[2] |
| 189 | +CRVAL float64[2] |
| 190 | +CTYPE char[16] |
| 191 | +LONGPOLE float64 |
| 192 | +LATPOLE float64 |
| 193 | +PV2 float64[2] |
| 194 | +FNAME_MASTER_DARK char[112] |
| 195 | +DO_FIT_DARK_SCALING binary |
| 196 | +MASTER_DARK_EXPTIME float64 |
| 197 | +MASTER_DARK_GCCDTEMP float64 |
| 198 | +DARK_TEMP_SCALING_FACTOR float64 |
| 199 | +TOTAL_DARK_SCALING_FACTOR float64 |
| 200 | +DARK_RESCALE_FACTORS_PER_AMP float64[4] |
| 201 | +DARK_RESCALE_FACTOR_BESTFIT float64 |
| 202 | +DARK_RESCALE_FACTOR_ADOPTED float64 |
| 203 | +APPLY_DARK_RESCALE_FACTOR binary |
| 204 | +DARK_RESCALE_NCALLS int64[4] |
| 205 | +DARK_RESCALE_CONVERGED binary[4] |
| 206 | +REQ_MJD_MIN float64 |
| 207 | +REQ_MJD_MAX float64 |
| 208 | +N_PMGSTARS_ALL int64 |
| 209 | +N_PMGSTARS_RETAINED int64 |
| 210 | +FIBERFAC float64 |
| 211 | +FIBERFAC_ELG float64 |
| 212 | +FIBERFAC_BGS float64 |
| 213 | +SPECTRO_EXPID int64 |
| 214 | +============================ =========== ===== ================================================================================ |
| 215 | + |
| 216 | +HDU2 |
| 217 | +---- |
| 218 | + |
| 219 | +*Summarize the contents of this HDU.* |
| 220 | + |
| 221 | +Required Header Keywords |
| 222 | +~~~~~~~~~~~~~~~~~~~~~~~~ |
| 223 | + |
| 224 | +.. collapse:: Required Header Keywords Table |
| 225 | + |
| 226 | + .. rst-class:: keywords |
| 227 | + |
| 228 | + ====== ============= ==== ===================== |
| 229 | + KEY Example Value Type Comment |
| 230 | + ====== ============= ==== ===================== |
| 231 | + NAXIS1 364 int length of dimension 1 |
| 232 | + NAXIS2 23290 int length of dimension 2 |
| 233 | + ====== ============= ==== ===================== |
| 234 | + |
| 235 | +Required Data Table Columns |
| 236 | +~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| 237 | + |
| 238 | +.. rst-class:: columns |
| 239 | + |
| 240 | +============================ ======== ===== ================================================================================ |
| 241 | +Name Type Units Description |
| 242 | +============================ ======== ===== ================================================================================ |
| 243 | +EXPID int64 DESI Exposure ID number |
| 244 | +CUBE_INDEX int64 |
| 245 | +NIGHT int64 Night of observation (YYYYMMDD) starting at local noon before observations start |
| 246 | +EXPTIME float64 s Length of time shutter was open |
| 247 | +FNAME_RAW char[76] |
| 248 | +SKYRA float64 |
| 249 | +SKYDEC float64 |
| 250 | +PROGRAM char[88] DESI program type - BRIGHT, DARK, BACKUP, OTHER |
| 251 | +MOON_ILLUMINATION float64 |
| 252 | +MOON_ZD_DEG float64 |
| 253 | +MOON_SEP_DEG float64 |
| 254 | +KTERM float32 |
| 255 | +FRACFLUX_NOMINAL_POINTSOURCE float32 |
| 256 | +FRACFLUX_NOMINAL_ELG float32 |
| 257 | +FRACFLUX_NOMINAL_BGS float32 |
| 258 | +MJD float64 d Modified Julian Date when shutter was opened for this exposure |
| 259 | +FWHM_ASEC float64 |
| 260 | +TRANSPARENCY float64 |
| 261 | +SKY_MAG_AB float64 |
| 262 | +FIBER_FRACFLUX float64 |
| 263 | +FIBER_FRACFLUX_ELG float64 |
| 264 | +FIBER_FRACFLUX_BGS float64 |
| 265 | +AIRMASS float64 Average airmass during this exposure |
| 266 | +RADPROF_FWHM_ASEC float64 |
| 267 | +FIBERFAC float64 |
| 268 | +FIBERFAC_ELG float64 |
| 269 | +FIBERFAC_BGS float64 |
| 270 | +MINCONTRAST float64 |
| 271 | +MAXCONTRAST float64 |
| 272 | +============================ ======== ===== ================================================================================ |
| 273 | + |
| 274 | +HDU3 |
| 275 | +---- |
| 276 | + |
| 277 | +*Summarize the contents of this HDU.* |
| 278 | + |
| 279 | +Required Header Keywords |
| 280 | +~~~~~~~~~~~~~~~~~~~~~~~~ |
| 281 | + |
| 282 | +.. collapse:: Required Header Keywords Table |
| 283 | + |
| 284 | + .. rst-class:: keywords |
| 285 | + |
| 286 | + ====== ============= ==== ===================== |
| 287 | + KEY Example Value Type Comment |
| 288 | + ====== ============= ==== ===================== |
| 289 | + NAXIS1 364 int length of dimension 1 |
| 290 | + NAXIS2 23142 int length of dimension 2 |
| 291 | + ====== ============= ==== ===================== |
| 292 | + |
| 293 | +Required Data Table Columns |
| 294 | +~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| 295 | + |
| 296 | +.. rst-class:: columns |
| 297 | + |
| 298 | +============================ ======== ===== ================================================================================ |
| 299 | +Name Type Units Description |
| 300 | +============================ ======== ===== ================================================================================ |
| 301 | +EXPID int64 DESI Exposure ID number |
| 302 | +CUBE_INDEX int64 |
| 303 | +NIGHT int64 Night of observation (YYYYMMDD) starting at local noon before observations start |
| 304 | +EXPTIME float64 s Length of time shutter was open |
| 305 | +FNAME_RAW char[76] |
| 306 | +SKYRA float64 |
| 307 | +SKYDEC float64 |
| 308 | +PROGRAM char[88] DESI program type - BRIGHT, DARK, BACKUP, OTHER |
| 309 | +MOON_ILLUMINATION float64 |
| 310 | +MOON_ZD_DEG float64 |
| 311 | +MOON_SEP_DEG float64 |
| 312 | +KTERM float32 |
| 313 | +FRACFLUX_NOMINAL_POINTSOURCE float32 |
| 314 | +FRACFLUX_NOMINAL_ELG float32 |
| 315 | +FRACFLUX_NOMINAL_BGS float32 |
| 316 | +MJD float64 d Modified Julian Date when shutter was opened for this exposure |
| 317 | +FWHM_ASEC float64 |
| 318 | +TRANSPARENCY float64 |
| 319 | +SKY_MAG_AB float64 |
| 320 | +FIBER_FRACFLUX float64 |
| 321 | +FIBER_FRACFLUX_ELG float64 |
| 322 | +FIBER_FRACFLUX_BGS float64 |
| 323 | +AIRMASS float64 Average airmass during this exposure |
| 324 | +RADPROF_FWHM_ASEC float64 |
| 325 | +FIBERFAC float64 |
| 326 | +FIBERFAC_ELG float64 |
| 327 | +FIBERFAC_BGS float64 |
| 328 | +MINCONTRAST float64 |
| 329 | +MAXCONTRAST float64 |
| 330 | +============================ ======== ===== ================================================================================ |
| 331 | + |
| 332 | + |
| 333 | +Notes and Examples |
| 334 | +================== |
| 335 | + |
| 336 | +*Add notes and examples here. You can also create links to example files.* |
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