Filename: N20170419S0112.fits.bz2 AstroData Tags: {'RAW', 'IMAGE', 'NORTH', 'FLAT', 'GMOS', 'CAL', 'UNPREPARED', 'SIDEREAL', 'TWILIGHT', 'GEMINI'} --- PHU --- SIMPLE = T / file does conform to FITS standard BITPIX = 16 / number of bits per data pixel NAXIS = 0 / number of data axes EXTEND = T / FITS dataset may contain extensions COMMENT FITS (Flexible Image Transport System) format is defined in 'Astronomy COMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H INSTRUME= 'GMOS-N ' / Instrument used to acquire data OBJECT = 'Twilight' / Object Name OBSTYPE = 'OBJECT ' / Observation type OBSCLASS= 'dayCal ' / Observe class GEMPRGID= 'GN-CAL20170419' / Gemini programme ID OBSID = 'GN-CAL20170419-16' / Observation ID / Data label DATALAB = 'GN-CAL20170419-16-001' / DHS data label OBSERVER= 'M.Pohlen, J.Chan, M.Balogh' / Observer OBSERVAT= 'Gemini-North' / Name of telescope (Gemini-North|Gemini-South) TELESCOP= 'Gemini-North' / Gemini-North PARALLAX= 0. / Parallax of Target RADVEL = 0. / Heliocentric Radial Velocity EPOCH = 2000. / Epoch for Target coordinates EQUINOX = 2000. / Equinox of coordinate system TRKEQUIN= 2000. / Tracking equinox SSA = 'S.Stewart' / SSA RA = 253.13895833 / Right Ascension DEC = -15.43241667 / Declination of Target ELEVATIO= 44.2373430555556 / Current Elevation AZIMUTH = 221.80605 / Current Azimuth CRPA = 49.4688989378744 / Current Cass Rotator Position Angle HA = '+01:58:45.31' / Telescope hour angle LT = '05:22:30.4' / Local time at start of observation TRKFRAME= 'FK5 ' / Tracking co-ordinate DECTRACK= 0. / Differential tracking rate Dec TRKEPOCH= 57862.639841 / Differential tracking reference epoch RATRACK = 0. / Differential tracking rate RA FRAME = 'FK5 ' / Target coordinate system PMDEC = 0. / Proper Motion in Declination PMRA = 0. / Proper Motion in RA WAVELENG= 9250. / Effective Target Wavelength RAWIQ = 'UNKNOWN ' / Raw Image Quality RAWCC = 'UNKNOWN ' / Raw Cloud Cover RAWWV = '80-percentile' / Raw Water Vapour/Transparency RAWBG = 'Any ' / Raw Background RAWPIREQ= 'UNKNOWN ' / PI Requirements Met RAWGEMQA= 'UNKNOWN ' / Gemini Quality Assessment CGUIDMOD= 'Basic ' / Carousel Mode UT = '15:22:30.9' / UT at observation start DATE = '2017-04-19' / UT Date of observation (YYYY-MM-DD) M2BAFFLE= 'VISIBLE ' / Position of M2 baffle M2CENBAF= 'CLOSED ' / Position of M2 central hole baffle ST = '18:52:18.8' / Sidereal time at the start of the exposure XOFFSET = 0. / Telescope offset in x in arcsec YOFFSET = 0. / Telescope offset in y in arcsec POFFSET = 0. / Telescope offset in p in arcsec QOFFSET = 0. / Telescope offset in q in arcsec RAOFFSET= 0. / Telescope offset in RA in arcsec DECOFFSE= 0. / Telescope offset in DEC in arcsec RATRGOFF= 0. / Target offset in RA in arcsec DECTRGOF= 0. / Target offset in DEC in arcsec PA = 90. / Sky Position Angle at start of exposure IAA = 179.901 / Instrument Alignment Angle SFRT2 = 178.529 / Science fold rotation angle (degrees) SFTILT = 44.87 / Science fold tilt angle (degrees) SFLINEAR= -2. / Science fold linear position (mm) AOFOLD = 'park-pos.' / AO Pick-Off Mirror Position PWFS1_ST= 'parked ' / PWFS1 probe state (frozen,guiding,parked) PWFS2_ST= 'parked ' / PWFS2 probe state (frozen,guiding,parked) OIWFS_ST= 'parked ' / OIWFS probe state (frozen,guiding,parked) AOWFS_ST= 'parked ' / AOWFS probe state (frozen,guiding,parked) SCIBAND = -9999 / Science Ranking Band REQIQ = 'Any ' / Requested Image Quality REQCC = 'Any ' / Requested Cloud Cover REQBG = 'Any ' / Requested Background REQWV = 'Any ' / Requested Water Vapour NUMREQTW= 0 / Number of Requested Timing Window REQTW entries HUMIDITY= 18. / The Relative Humidity (fraction, 0..101). TAMBIENT= 2.6 / The ambient temp (C). TAMBIEN2= 36.68 / The ambient temp (F). PRESSURE= 462.17248 / The atmospheric pressure (mm Hg). PRESSUR2= 61600. / The atmospheric pressure (Pa). DEWPOINT= -19.5 / The dew point (C). DEWPOIN2= -3.1 / The dew point (F). WINDSPEE= 0. / The wind speed (m/s). WINDSPE2= 0. / The wind speed (mph). WINDDIRE= 268. / The wind direction (degrees). INPORT = 5 / Number of ISS port where GMOS was located GMOSCC = 'GMOS-N (V7-13)' / GMOS components controller s/w TIME-OBS= '15:22:30.9' / Time of observation PREIMAGE= F / MOS pre-imaging CONID = 'ARC-III ' / Detector controller ID DETECTOR= 'GMOS-N + Hamamatsu' / Detector name DEWAR = 'Lab Cryostat' / Dewar name ARRYTMPD= -102.693 / Array temperature D (Celsius) ARRYTMPA= -96.794 / Array temperature A (Celsius) ARRYTMPB= -96.43 / Array temperature B (Celsius) ARRYTMPC= -95.637 / Array temperature C (Celsius) ARRYTSET= -102.7 / Array temperature Setpoint (Celsius) DETSIZE = '[1:6144,1:4224]' / Detector size NCCDS = 1 / Number of CCD chips NAMPS = 4 / Number of amplifiers SHUTTER = 'OPEN ' / Shutter state during observation AMPINTEG= 11880 / Amplifier integration time OBSEPOCH= 2017.29812633145 / Epoch at start of exposure TIMESYS = 'UTC ' / Time system used DATE-OBS= '2017-04-19' / UT Date of observation (YYYY-MM-DD) GMOSTHT = 'WARNING ' / Shutter health NSUBEXP = 1 / Number of sub exposures UTSTART = '15:22:34.8000' / UT at observation start UTEND = '15:22:44.8000' / UT at observation end EXPTIME = 10. / Exposure time in seconds ELAPSED = 10. / Elapsed observation time in seconds DARKTIME= 19.5833530426025 / Dark current integration in seconds MASKID = -99 / Mask/IFU barcode MASKNAME= 'None ' / Mask name MASKTYP = 0 / Mask/IFU type (0=none/-1=IFU/1=mask) MASKLOC = 1 / Mask/IFU location (-1=unknown/0=FP/1=cassette) FILTER1 = 'open1-6 ' / Filter 1 name FILTID1 = 20000018 / Filter 1 barcode FILTER2 = 'z_G0304 ' / Filter 2 name FILTID2 = 20000004 / Filter 2 barcode GRATING = 'MIRROR ' / Grating name GRATID = 30000008 / Grating barcode GRWLEN = 0. / Grating wavelength at slit (nm) CENTWAVE= 0. / Central wavelength (nm) GRORDER = 0 / Grating order GRTILT = 65. / Grating tilt angle (degrees) GRSTEP = 6909.4487 / Requested grating motor step position DTAX = 90. / Detector translation X position (microns) DTAY = 95.36 / Detector translation Y position (microns) DTAZ = 1558. / Detector translation Z position (microns) DTAZST = 1558. / Focus at observation start (microns) DTAZEN = 1558. / Focus at observation end (microns) DTAZME = 0. / Mean focus during observation (microns) DTMODE = 'FOLLOW-XY' / Detector translation stage mode ADCMODE = ' ' / ADC mode GMOSDC = 'gmosdc-6.10' / GMOS detector controller s/w DETTYPE = 'S10892-N' / Detector array type DETID = 'BI13-20-4k-1,BI12-09-4k-2,BI13-18-4k-2' / Chip IDs EXPOSURE= 10. / Requested exposure time in seconds ADCUSED = 1 / ADC used? (0=yes/1=no) DETNROI = 1 / No. regions of interest ADCENPST= 0. / Start entrance prism angle of ADC ADCENPEN= 0. / End entrance prism angle of ADC ADCENPME= 0. / Mean entrance prism angle of ADC ADCEXPST= 0. / Start exit prism angle of ADC ADCEXPEN= 0. / End exit prism angle of ADC ADCEXPME= 0. / Mean exit prism angle of ADC ADCWLEN1= 0. / Lower wavelength for ADC calculation ADCWLEN2= 0. / Upper wavelength for ADC calculation DETRO1X = 2923 / ROI 1 X start DETRO1XS= 150 / ROI 1 X size DETRO1Y = 1987 / ROI 1 Y start DETRO1YS= 154 / ROI 1 Y size AIRMASS = 1.433 / Mean airmass for the observation AMSTART = 1.432 / Airmass at start of exposure AMEND = 1.434 / Airmass at end of exposure PROP_MD = F / Proprietary Metadata RELEASE = '2017-04-19' / End of proprietary period YYY-MM-DD ORIGNAME= 'N20170419S0112.fits' / Original filename prior to processing --- HDU 0 --- XTENSION= 'IMAGE ' / IMAGE extension BITPIX = 16 / number of bits per data pixel NAXIS = 2 / number of data axes NAXIS1 = 107 / length of data axis 1 NAXIS2 = 154 / length of data axis 2 PCOUNT = 0 / required keyword; must = 0 GCOUNT = 1 / required keyword; must = 1 BZERO = 32768 / offset data range to that of unsigned short BSCALE = 1 / default scaling factor INHERIT = F / inherit the primary header DATATYPE= 'Intensity' / Type of Data CTYPE1 = 'RA---TAN' / R.A. in tangent plane projection CRPIX1 = 287.863273364972 / Ref pix of axis 1 CRVAL1 = 253.139000316645 / RA at Ref pix in decimal degrees CTYPE2 = 'DEC--TAN' / DEC. in tangent plane projection CRPIX2 = 75.3916076045689 / Ref pix of axis 2 CRVAL2 = -15.4323695569168 / DEC at Ref pix in decimal degrees CD1_1 = 2.35169398876202E-08 / WCS matrix element 1 1 CD1_2 = -4.49297372482203E-05 / WCS matrix element 1 2 CD2_1 = 4.49672126348712E-05 / WCS matrix element 2 1 CD2_2 = 1.07612903771873E-08 / WCS matrix element 2 2 RADECSYS= 'FK5 ' / R.A./DEC. coordinate system reference EQUINOX = 2000. / Equinox of coordinate system MJD-OBS = 57862.6414399443 / MJD of start of obseration CCDNAME = 'BI12-09-4k-2' / CCD chip name(s) AMPNAME = 'BI12-09-4k-2, 3' / Amplifier name(s) GAIN = 1. / Amplifier gain RDNOISE = 1. / Readout noise CCDSIZE = '[1:2048,1:4224]' / CCD chip size CCDSUM = '2 2 ' / CCD sum CCDSEC = '[875:1024,1987:2294]' / CCD section(s) DETSEC = '[2923:3072,1987:2294]' / Detector section(s) DATASEC = '[33:107,1:154]' / Data section(s) BIASSEC = '[1:32,1:154]' / Bias section(s) FRMNAME = 'FRAME-0 ROI-0, CHIP-g<2>, AMP-3<5>' / Frame name FRAMEID = '0 ' / Frame Id DATATYP = ' ' / Type of data frame EXTVER = 1 / Added by AstroData EXTNAME = 'SCI ' / Added by AstroData --- HDU 1 --- XTENSION= 'IMAGE ' / IMAGE extension BITPIX = 16 / number of bits per data pixel NAXIS = 2 / number of data axes NAXIS1 = 107 / length of data axis 1 NAXIS2 = 154 / length of data axis 2 PCOUNT = 0 / required keyword; must = 0 GCOUNT = 1 / required keyword; must = 1 BZERO = 32768 / offset data range to that of unsigned short BSCALE = 1 / default scaling factor INHERIT = F / inherit the primary header DATATYPE= 'Intensity' / Type of Data CTYPE1 = 'RA---TAN' / R.A. in tangent plane projection CRPIX1 = -90.6367266350276 / Ref pix of axis 1 CRVAL1 = 253.139000316645 / RA at Ref pix in decimal degrees CTYPE2 = 'DEC--TAN' / DEC. in tangent plane projection CRPIX2 = 75.3916076045692 / Ref pix of axis 2 CRVAL2 = -15.4323695569168 / DEC at Ref pix in decimal degrees CD1_1 = 2.35169398876279E-08 / WCS matrix element 1 1 CD1_2 = -4.49297372482203E-05 / WCS matrix element 1 2 CD2_1 = 4.49672126348712E-05 / WCS matrix element 2 1 CD2_2 = 1.07612903771834E-08 / WCS matrix element 2 2 RADECSYS= 'FK5 ' / R.A./DEC. coordinate system reference EQUINOX = 2000. / Equinox of coordinate system MJD-OBS = 57862.6414399443 / MJD of start of obseration CCDNAME = 'BI12-09-4k-2' / CCD chip name(s) AMPNAME = 'BI12-09-4k-2, 2' / Amplifier name(s) GAIN = 1. / Amplifier gain RDNOISE = 1. / Readout noise CCDSIZE = '[1:2048,1:4224]' / CCD chip size CCDSUM = '2 2 ' / CCD sum CCDSEC = '[1025:1174,1987:2294]' / CCD section(s) DETSEC = '[3073:3222,1987:2294]' / Detector section(s) DATASEC = '[1:75,1:154]' / Data section(s) BIASSEC = '[76:107,1:154]' / Bias section(s) FRMNAME = 'FRAME-1 ROI-0, CHIP-g<2>, AMP-2<6>' / Frame name FRAMEID = '1 ' / Frame Id DATATYP = ' ' / Type of data frame EXTVER = 2 / Added by AstroData EXTNAME = 'SCI ' / Added by AstroData