Identification: DHSVER = 'UKDHS 2001 Apr 3 ' / Data handling version TELESCOP= 'UKIRT ' / Telescope name INSTRUME= 'Michelle' / Instrument name OBSERVER= 'nobody ' / Observers names OBSREF = '00 ' / PATT (or equivalent) reference PROJECT = 'U/04A/46' / Time-allocation code MSBID = '25c225f3170e06695847113f1c478b28' / Id min.-schedulable block USERID = 'nobody ' / ORAC Userid eStar headers: RMTAGENT= 'none ' / Name of remote agent AGENTID = 'none ' / Unique identifier for remote agent OBJECT = 'BS3262 ' / Object name from telescope Data Reduction: RECIPE = 'STANDARD_STAR' / Data reduction recipe to be used OBSNUM = 21 / Observation number GRPNUM = 7 / The number of the group applied to all GRPMEM = T / Is the observation a group member? STANDARD= T / Whether observation is a standard NOFFSETS= 0 / Number of offset positions OBSTYPE = 'OBJECT ' / Type (BIAS|DARK|ARC|FLAT|OBJECT|SKY) Astrometric and time information: UTDATE = '20040426' / UT date in yyyymmdd format DATE-OBS= '2004-04-26T07:37:52Z' / Date and time (UTC) of start of observation DATE-END= '2004-04-26T07:38:37Z' / Date and time (UTC) of end of observation EQUINOX = 2000.000 / [yr] Equinox of object position CTYPE1 = 'Detector Columns' / Label for axis 1 CRPIX1 = 1.000 / Pixel of reference point axis 1 CRVAL1 = 0.1067 / Co-ordinate value of axis 1 CDELT1 = 0.2134 / Co-ordinate increment along axis 1 CUNIT1 = 'arcsec ' / Units for axis 1 CTYPE2 = 'Detector Rows' / Label for axis 2 CRPIX2 = 1.000 / Pixel of reference point axis 2 CRVAL2 = 0.1067 / Co-ordinate value of axis 1 CDELT2 = 0.2134 / Co-ordinate increment along axis 2 CUNIT2 = 'arcsec ' / Units for axis 2 CROTA2 = -90.0 / [deg] Angle DEC axis wrt axis 2 ccw RABASE = 8.3344597 / [h] RA of base position DECBASE = 27.2174833 / [deg] Declination of base position TRAOFF = 0.000 / [arcsec] Telescope offset in RA TDECOFF = 0.000 / [arcsec] Telescope offset in Dec AMSTART = 1.411 / Airmass at start of observation AMEND = 1.415 / Airmass at end of observation Instrument aperture: APER_X = 7.188 / [arcsec] Aperture X axis coordinate APER_Y = -8.282 / [arcsec] Aperture Y axis coordinate PIXELSIZ= 0.2134 / [arcsec] Pixel size Instrument configuration: OBSTIME = '17.1500445528' / [s] Duration of observation EXP_TIME= 2.750000 / [s] Exposure time for each coadd NEXP = 3 / Number of exposures in integration NREADS = 56 / Number of reads per exposure DET_MODE= 'NDCHOP ' / Observing mode GAIN = 180.0 / [electrons/ADU] Gain SPD_GAIN= 'Normal' / Readout speed READINT = 0.050000 / [s] Interval between reads DET_NRST= 1 / Number of detector resets before first exposure DET_RSTD= 0.010000 / [s] Time twixt final reset & first read CHPDWELL= 2.858341 / [s] Chop dwell CHPDELAY= 0.015000 / [s] Chop delay CHOPBEAM= 'B ' / Chopping beam name (A|B|MIDDLE) DCOLUMNS= 320 / [pixel] Number of detector columns DROWS = 240 / [pixel] Number of detector rows RDOUT_X1= 1 / Start column of array readout RDOUT_X2= 320 / End column of array readout RDOUT_Y1= 1 / Start row of array readout RDOUT_Y2= 240 / End row of array readout INSTMODE= 'spectroscopy' / Camera mode (imaging|spectroscopy) GRATNAME= 'MedN2 ' / Grating name GRATPOS = 8.6477 / [um] Grating wavelength GRATDISP= 0.001562 / [um/pixel] Grating dispersion GRATORD = 1 / Grating order GRATANG = 9.3575 / Grating Angle SLITNAME= '2_pixels' / Slit name SLITANG = 5.7494 / [deg] Slit angle FILTER = 'I88B10 ' / Combined filter name FILTER1 = 'F88B10 ' / Filter A name FILTER2 = 'F14SA ' / Filter B name FOCNAME = 'MedN2 ' / Focus named position FOC_MM = 3.5000 / [mm] Focus position IRDEG = -5.7520 / [deg] Image rotator angle GFLEXCOR= 'on ' / Whether grating flexure correction enabled CALSELN = 'clear ' / Calibration selection WPLANGLE= 0.0000 / [deg] Waveplate angle SAMPLING= '1x2 ' / Oversampling type used DETINCR = 1.000 / [pixel] Increment between scan positions DETNINCR= 2 / Number of scan positions in scan POLARISE= F / Whether or not using polariser CHPANGLE= 0.000 / [deg] Position angle of the chop CHPTHROW= 10.360 / [arcsec] Throw of the chop wrt middle position CHOPFREQ= 0.174927 / [Hz] Chop frequency NULL_CYC= 0 / Cycles prior to data taking NULL_EXP= 0 / Exposures prior to data taking NULL_NDR= 1 / ND reads prior to data taking WAVEFORM= 'mch_ndr_sw' / Waveform set name Environment: AIRTEMP = -0.264 / [degC] Air temperature BARPRESS= 611.845 / Ambient pressure DEWPOINT= -8.626 / [degC] Dewpoint DOMETEMP= 0.240 / [degC] Dome temperature HUMIDITY= 53.413 / Relative Humidity MIRR_NE = 1.409 / [degC] Mirror temperature NE MIRR_NW = 1.734 / [degC] Mirror temperature NW MIRR_SE = 2.061 / [degC] Mirror temperature SE MIRR_SW = 1.229 / [degC] Mirror temperature SW MIRRBTNW= 5.645 / [degC] Mirror bottom temp. SW MIRRTPNW= 4.346 / [degC] Mirror top temp. SW SECONDAR= 0.656 / [degC] Temperature of secondary TOPAIRNW= 1.136 / [degC] Top air NW TRUSSENE= 2.354 / [degC] Truss leg ENE TRUSSWSW= 0.556 / [degC] Truss leg WSW WIND_DIR= 285.490 / [deg] Wind direction, azimuth WIND_SPD= 38.189 / [km/s] Wind speed CSOTAU = 0.124 / Tau at 225 GHz from CSO TAUDATE = '2004-04-26T07:35' / Time and date of Tau reading Engineering: CNFINDEX= 11843869 / Configuration index ARRAYTMP= 10.07 / [K] Array temperature ARRYTMP2= 5.73 / [K] Array temperature ch.2 LN2TEMP = 80.60 / [K] Temperature of LN2 can CCC1_TMP= 56.80 / [K] CCC 1st stage temp. GRS_TEMP= 80.60 / [K] Grad. rad. shield temp. CCC2_TMP= 16.80 / [K] CCC 2nd stage temp. FRS_TEMP= 78.60 / [K] Front rad. shield temp. GRTDRTMP= 20.80 / [K] Grating drum temperature SRM_TEMP= 22.00 / [K] SRM temperature IMSTPTMP= 22.70 / [K] Imiger stop temperature JT1_TEMP= 59.20 / [K] JT 1st stage temperature JT2_TEMP= 15.70 / [K] JT 2nd stage temperature JT4KTEMP= 4.60 / [K] JT 4K stage temperature FILT_TMP= 71.90 / [K] Filter motor temperature VRSTUC = -2.000 / [V] Bias voltage: vrstuc VCASUC = -3.500 / [V] Bias voltage: vcasuc VNEG = -7.000 / [V] Bias voltage: vneg VDETGRD = -5.100 / [V] Bias voltage: vdetgrd VGG1 = 0.000 / [V] Bias voltage: vgg1 VGG4 = -1.500 / [V] Bias voltage: vgg4 VDETGRV = -6.800 / [V] Bias voltage: vdetgrv VGG2 = -1.800 / [V] Bias voltage: vgg2 VGG3 = -1.650 / [V] Bias voltage: vgg3 IMUX = -1.600 / [V] Bias voltage: imux VSHPCHG = -3.000 / [V] Bias voltage: vshpchg VSH = -5.000 / [V] Bias voltage: vsh VSSD = -5.000 / [V] Bias voltage: vssd VSS = -5.000 / [V] Bias voltage: vss VPW = -5.200 / [V] Bias voltage: vpw VCLOUT = -4.300 / [V] Bias voltage: vclout VCLCOL = -3.000 / [V] Bias voltage: vclcol VCAP = -5.000 / [V] Bias voltage: vcap VOFFSET = -2.700 / [V] Bias voltage: voffset VGATELO = -6.000 / [V] Clock voltage: vgatelow VGATEHI = 0.000 / [V] Clock voltage: vgatehigh Subheader: DINDEX = 1 / Ceci n'est pas un comment