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[TRES Data Processing] [Data Directories] [Raw Data Keywords]
The following keywords are in the FITS output files of the TRES reduce task:
| Keyword | Sample Value | Comment | Description | |
|---|---|---|---|---|
| SIMPLE | T | Written by IDL: Tue Jul 18 08:35:59 2023 | ||
| BITPIX | -32 | Bits per pixel | IEEE single precision floating point | |
| NAXIS | 2 | Number of axes | ||
| NAXIS1 | 2304 | Axis length | dispersion axis | |
| NAXIS2 | 51 | Number of orders in file | ||
| EXTEND | T | File may contain extensions | ||
| OBJECT | 'Vega' | OBJECT NAME | ||
| DATE-OBS | 2013-03-18 | UT YYYY-MM-DD at start of exposure | ||
| RA | '18:36:56.3' | MEAN RA | ||
| DEC | '+38:47:01.' | MEAN DEC | ||
| EPOCH | 2000 | MEAN EQUINOX | ||
| AIR | 1.01 | AIR MASS BY TELESCOPE | ||
| RRA | '18:36:56.3' | REQUESTED RA | ||
| RDEC | '+38:47:01.' | REQUESTED DEC | ||
| REPOCH | 2000 | REQUESTED EQUINOX | ||
| TRA | '18:36:53.474' | RA BY TELESCOPE | ||
| TDEC | '38:48:47.81' | DEC BY TELESCOPE | ||
| TEPOCH | 2000.000 | EPOCH BY TELESCOPE | ||
| ST | '18:20:25.35' | Telescope Sidereal Time at start of exposure | ||
| HA | '-00:16:45.49' | Hour Angle hh:mm:ss at start of exposure | ||
| GFWHM | ' ' | GUIDE FWHM ARC SEC | ||
| SFOCUS | 2.0700 | TRES FOCUS FLOAT | ||
| PERI | 'OUT ' | Periscope position (IN or OUT) | ||
| COMPTIME | '0.0 ' | FLASH TIME (seconds) | ||
| FIBSIZE | '2.3 ' | TRES FIBER SIZE (arcseconds) | ||
| IODINE | 'OUT ' | IODINE POSITION | ||
| CTEMPS | ' -109.8C - 100% ' | Chip temperatures | ||
| BTEMPS | '23.492 23.609 -265.320 19.483' | BENCH - BOT OPT HTR AC | ||
| PRES_HUM | '779.48 31.45 ' | Air Pressure and Rel Humidity | ||
| DATE-OBS | '2023-07-18T06:00:43' | UT date/time at start | ||
| UTOPEN | '06:00:43 ' | UT time at start | ||
| UTEND | '06:01:34 ' | UT time at end | ||
| MJD | 60143.250498 | MODIFIED JULIAN DATE | ||
| OBSERVER | 'M Calkins ' | Observer | ||
| P.I. | 'Latham ' | Principal Investigator | ||
| PROGRAM | '149 dwlmisc.mct ' | TRES Observing Program | ||
| OSSWITCH | ' NO ' | OBJECT/SKY SWAP (YES or NO) | ||
| SITENAME | 'flwo1' | Observatory name = FLWO 1.5 m | ||
| SITELONG | '+110:52:39.0' | Observatory longitude in degrees west of 0 ddd:mm:ss | ||
| SITELAT | '+31:40:51.4' | Observatory latitude in degrees dd:mm:ss | ||
| SITEELEV | 2320.0 | Observatory elevation in meters | ||
| DETECTOR | tres | DETECTOR ID | ||
| EXPTIME | 15.0000000000 | INTEGRATION TIME, SECONDS | ||
| DARKTIME | 5.000 | ELAPSED TIME, SECONDS | ||
| ADC | 'PA -152.2 A=238.2 B=66.2 HA= -00:17:15.44 defl=4.0 AD=324.3 BD=316.3' | ADC correction | ||
| CALPOS | 'Thar ' | LAMP SELECTED | ||
| PROJPOS | 'N/A ' | ARM POSITION | ||
| STAGEPOS | 'out ' | CALSTAGE POSITION | in or out | |
| IMAGETYP | 'OBJECT ' | IRAF TYPE KEY OBJECT FLAT COMP ZERO DARK | ||
| FIBKEY | 'OS ' | Fiber Decoding Object, Sky, Flat, Comp, Bias, Dark | ||
| RFN | '20230717.0044' | Reduced file number, first if >1 | ||
| The following keywords are added by the reduction pipeline | ||||
| WS_ORGF | '[0044.Vega.fits ... 0046.Vega.fits]' | Original raw data files | ||
| WS_ORG_N | 3 | Number of files combined | ||
| WS_ORG_D | '/data/tres2/TRES/rawdata/2023/2023.0717/' | Original raw file directory | ||
| WS_VER | 2.55000 | Repack reduce version | ||
| WS_TIME | '2023-07-18T08:34:45' | Date and time of Repack reduction | ||
| REPACK | 1 | |||
| WS_COMBF | 'repackComb/Vega_2023-07-18_06h00m43s_cb.fits' | Filename of 2d combine | ||
| WS_BLAZE | 'FLAT_2023-07-17_22h53m38s_all_cb.blaze.spec.fits' | Norm. blaze filename | ||
| WS_BJD | 2460143.753532 | BJD_UTC midtime of observation | ||
| WS_FUNC | 2 / | |||
| WS_XPOW | 5.00000000000 / | |||
| WS_OPO | 5.00000000000 / | |||
| WS_XMIN | 0.00000000000 / | |||
| WS_XMAX | 2303.00000000 / | |||
| WS_OMIN | 88.0000000000 / | |||
| WS_OMAX | 38.0000000000 / | |||
| WS_WLSHF | 0.00000000000 / | |||
| WS_APSLP | -1.00000000000 / | |||
| WS_APOFS | 88.0000000000 / | |||
| WS_LOGWL | 0 / | |||
| WS_COMP | 'Vega_2023-07-18_06h00m43s_cb.spec.fits' | ThAr extracted spectrum | ||
| WS_C_ORG | '[0043.COMP.fits ... 0047.COMP.fits]' | ThAr original filename(s) | ||
| WS_C_N | 2 | Number of ThArs combined | ||
| WS_LL | 'TRES_noao.v5_newlens.txt' | Linelist name | ||
| WS_CEXP | 10.0000000000 | Comp exposure time | ||
| WS_SCAT | 38.0994843439 | The scatter of the wl solution in m/s | ||
| WS_SCATL | 1.22456383667 | The scatter pr. line of the wl solution in m/s | ||
| WS_NLINE | 968 | Number of line used to create wavelength solution | ||
| WS_NREJ | 427 | Number of lines rejected in wavelength solution | ||
| WS_P001 | 342361.078147 | |||
| WS_P002 | 95.8686814585 | |||
| WS_P003 | -18.5393038605 | |||
| WS_P004 | 2.79211208486 | |||
| WS_P005 | -0.125030619918 | |||
| WS_P006 | 3337.72428336 | |||
| WS_P007 | -1.92304535697 | |||
| WS_P008 | -0.117312102866 | |||
| WS_P009 | 0.214002913296 | |||
| WS_P010 | -0.0804563180179 | |||
| WS_P011 | -94.4755825423 | |||
| WS_P012 | -0.0207511896656 | |||
| WS_P013 | 0.0849230649330 | |||
| WS_P014 | -0.0868214204804 | |||
| WS_P015 | 0.00328143090693 | |||
| WS_P016 | -1.10384608910 | |||
| WS_P017 | 0.114041611619 | |||
| WS_P018 | -0.148638455380 | |||
| WS_P019 | 0.0368248327140 | |||
| WS_P020 | -0.0879445946982 | |||
| WS_P021 | 0.0434629866931 | |||
| WS_P022 | -0.101043196673 | |||
| WS_P023 | -0.0140116129277 | |||
| WS_P024 | -0.0576770620975 | |||
| WS_P025 | -0.0627089816474 | |||
| Beginning of multispec wavelength solution | ||||
| WAT0_001 | 'system=multispec' | |||
| WAT1_001 | 'wtype=multispec label=Wavelength units=angstroms' | |||
| CTYPE1 | 'MULTISPE' | Dispersion solution is multispec | ||
| CTYPE2 | 'MULTISPE' | Dispersion solution is 2-D multispec | ||
| CDELT1 | 1.00000 | Initial wavelength solution is pixels | ||
| CDELT2 | 1.00000 | Initial wavelength solution is pixels | ||
| CD1_1 | 1.00000 | Initial wavelength solution is pixels | ||
| CD2_2 | 1.00000 | Initial wavelength solution is pixels | ||
| WCSDIM | 2 | Dispersion solution is 2-D multispec | ||
| Wavelength solution is on following 158 lines | ||||
| WAT2_001 | 'wtype=multispec spec1 = "1 88 2 3850.13470925445 0.03293869914538 23' | |||
| WAT2_002 | '04 0. 0. 0. 1. 0. 2 5 1 2304 3.88913355703382013e+03 3.79458586066' | |||
| WAT2_003 | '226147e+01 -1.0713614254126600e+00 -1.6946540721718181e-02 1.4257' | |||
| . . . | . . . | . . . | ||
| WAT2_156 | '22647534021e+03 8.77846703288274313e+01 -2.4867092278054237e+00 -' | |||
| WAT2_157 | '3.1304281443294737e-02 -5.0520491224342106e-03" ' | |||
| WAT2_158 | ' ' | |||
| The following parameters are added for IRAF | ||||
| BCV | -2.371 | Barycentric velocity in km/sec | ||
| HJDN | 2460143.753532 | Heliocentric Julian Date at midtime of exposure | ||
| GJDN | 2460143.750795 | Julian Date at midtime of exposure | ||
| MJD-MID | 60143.250795 | Modified Julian Date at midtime of exposure | ||
| END | Last line of header data | |||