Filename: N20160419S0297.fits.bz2 AstroData Tags: {'IMAGE', 'CAL', 'NORTH', 'RAW', 'FLAT', 'SIDEREAL', 'UNPREPARED', 'GMOS', 'GEMINI', 'TWILIGHT'} --- 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-CAL20160419' / Gemini programme ID OBSID = 'GN-CAL20160419-25' / Observation ID / Data label DATALAB = 'GN-CAL20160419-25-026' / DHS data label OBSERVER= 'L.Fuhrman' / 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 = 'A.Smith, O.Smirnova' / SSA RA = 253.13479167 / Right Ascension DEC = -15.43241667 / Declination of Target ELEVATIO= 40.9239916666667 / Current Elevation AZIMUTH = 226.657259722222 / Current Azimuth CRPA = 44.8067744138247 / Current Cass Rotator Position Angle HA = '+02:19:00.68' / Telescope hour angle LT = '05:41:41.5' / Local time at start of observation TRKFRAME= 'FK5 ' / Tracking co-ordinate DECTRACK= 0. / Differential tracking rate Dec TRKEPOCH= 57497.64242 / 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= 6300. / Effective Target Wavelength RAWIQ = 'UNKNOWN ' / Raw Image Quality RAWCC = '50-percentile' / Raw Cloud Cover RAWWV = 'UNKNOWN ' / Raw Water Vapour/Transparency RAWBG = 'UNKNOWN ' / Raw Background RAWPIREQ= 'UNKNOWN ' / PI Requirements Met RAWGEMQA= 'UNKNOWN ' / Gemini Quality Assessment CGUIDMOD= 'Basic ' / Carousel Mode UT = '15:41:42.0' / UT at observation start DATE = '2016-04-19' / UT Date of observation (YYYY-MM-DD) M2BAFFLE= 'VISIBLE ' / Position of M2 baffle M2CENBAF= 'CLOSED ' / Position of M2 central hole baffle ST = '19:12:30.1' / Sidereal time at the start of the exposure XOFFSET = 6.97250683820355 / Telescope offset in x in arcsec YOFFSET = 25.0076817876268 / Telescope offset in y in arcsec POFFSET = 7. / Telescope offset in p in arcsec QOFFSET = 25. / Telescope offset in q in arcsec RAOFFSET= 25.0000000000033 / Telescope offset in RA in arcsec DECOFFSE= -6.99999999998788 / 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 = 179.937 / Instrument Alignment Angle SFRT2 = 178.518 / Science fold rotation angle (degrees) SFTILT = 44.84 / 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 = 1 / 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= 14. / The Relative Humidity (fraction, 0..101). TAMBIENT= 3.6 / The ambient temp (C). TAMBIEN2= 38.48 / The ambient temp (F). PRESSURE= 462.92276 / The atmospheric pressure (mm Hg). PRESSUR2= 61700. / The atmospheric pressure (Pa). DEWPOINT= -21.3 / The dew point (C). DEWPOIN2= -6.34 / The dew point (F). WINDSPEE= 0. / The wind speed (m/s). WINDSPE2= 0. / The wind speed (mph). WINDDIRE= 155. / The wind direction (degrees). INPORT = 5 / Number of ISS port where GMOS was located GMOSCC = 'GMOS-N (V7-2)' / GMOS components controller s/w PREIMAGE= F / MOS pre-imaging CONID = 'GMOS v8.0' / Detector controller ID DETECTOR= 'GMOS + e2v DD CCD42-90' / Detector name DEWAR = 'Cryostat A' / Dewar name DEW-TEMP= -100.37558685446 / Dewar temperature (Celsius) DETSIZE = '[1:6144,1:4644]' / Detector size NCCDS = 3 / Number of CCD chips NAMPS = 2 / Number of amplifiers SHUTTER = 'OPEN ' / Shutter state during observation AMPINTEG= 5000 / Amplifier integration time OBSEPOCH= 2016.29884726752 / Epoch at start of exposure TIMESYS = 'UT1 ' / Time system used DATE-OBS= '2016-04-19' / UT Date of observation (YYYY-MM-DD) TIME-OBS= '15:42:21.4' / Time of observation GMOSTHT = 'GOOD ' / Shutter health NSUBEXP = 1 / Number of sub exposures UTSTART = '15:42:21.4' / UT at observation start UTEND = '15:42:22.4' / UT at observation end EXPTIME = 0.999571084976196 / Exposure time in seconds ELAPSED = 0.999571084976196 / Elapsed observation time in seconds DARKTIME= 66.8570470809937 / 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 = 'r_G0303 ' / Filter 2 name FILTID2 = 20000003 / 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 = 6912.282 / Requested grating motor step position DTAX = 90. / Detector translation X position (microns) DTAY = 96.96 / Detector translation Y position (microns) DTAZ = 2558. / Detector translation Z position (microns) DTAZST = 2558. / Focus at observation start (microns) DTAZEN = 2558. / Focus at observation end (microns) DTAZME = 0. / Mean focus during observation (microns) DTMODE = 'FOLLOW-XY' / Detector translation stage mode ADCMODE = 'STOP ' / ADC mode GMOSDC = 'GMOS DC ' / GMOS detector controller s/w DETTYPE = 'SDSU II e2v DD CCD42-90' / Detector array type DETID = 'e2v 10031-23-05,10031-01-03,10031-18-04' / Chip IDs EXPOSURE= 1. / 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 = 1 / ROI 1 X start DETRO1XS= 6144 / ROI 1 X size DETRO1Y = 1 / ROI 1 Y start DETRO1YS= 4608 / ROI 1 Y size AIRMASS = 1.528 / Mean airmass for the observation AMSTART = 1.525 / Airmass at start of exposure AMEND = 1.531 / Airmass at end of exposure PROP_MD = F / Proprietary Metadata RELEASE = '2016-04-19' / End of proprietary period YYY-MM-DD ORIGNAME= 'N20160419S0297.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 = 1056 / length of data axis 1 NAXIS2 = 4608 / 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 = 2121.36359256364 / Ref pix of axis 1 CRVAL1 = 253.141998440641 / RA at Ref pix in decimal degrees CTYPE2 = 'DEC--TAN' / DEC. in tangent plane projection CRPIX2 = 2305.99093753823 / Ref pix of axis 2 CRVAL2 = -15.4343613689562 / DEC at Ref pix in decimal degrees CD1_1 = -3.22003264341666E-10 / WCS matrix element 1 1 CD1_2 = -2.02224648863479E-05 / WCS matrix element 1 2 CD2_1 = 2.02111193926536E-05 / WCS matrix element 2 1 CD2_2 = -1.8713863595285E-08 / WCS matrix element 2 2 RADECSYS= 'FK5 ' / R.A./DEC. coordinate system reference EQUINOX = 2000. / Equinox of coordinate system MJD-OBS = 57497.6547535203 / MJD of start of obseration CCDNAME = 'e2v DD ML2AR CCD42-90-1-F43 10031-23-05' / CCD chip name(s) AMPNAME = 'e2v 10031-23-05, right' / Amplifier name(s) GAIN = 2.03999996185303 / Amplifier gain RDNOISE = 3.5 / Readout noise CCDSIZE = '[1:2048,1:4644]' / CCD chip size CCDSUM = '1 1 ' / CCD sum CCDSEC = '[1025:2048,1:4608]' / CCD section(s) DETSEC = '[1025:2048,1:4608]' / Detector section(s) DATASEC = '[33:1056,1:4608]' / Data section(s) BIASSEC = '[1:32,1:4608]' / Bias section(s) FRMNAME = 'dhsFrame' / Name assigned to a frame of data. FRAMEID = '1 ' / 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 = 1056 / length of data axis 1 NAXIS2 = 4608 / 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 = 3113.36359256365 / Ref pix of axis 1 CRVAL1 = 253.141998440641 / RA at Ref pix in decimal degrees CTYPE2 = 'DEC--TAN' / DEC. in tangent plane projection CRPIX2 = 2305.99093753821 / Ref pix of axis 2 CRVAL2 = -15.4343613689562 / DEC at Ref pix in decimal degrees CD1_1 = -3.22003264494005E-10 / WCS matrix element 1 1 CD1_2 = -2.02224648863479E-05 / WCS matrix element 1 2 CD2_1 = 2.02111193926536E-05 / WCS matrix element 2 1 CD2_2 = -1.87138635952751E-08 / WCS matrix element 2 2 RADECSYS= 'FK5 ' / R.A./DEC. coordinate system reference EQUINOX = 2000. / Equinox of coordinate system MJD-OBS = 57497.6547535203 / MJD of start of obseration CCDNAME = 'e2v DD ML2AR CCD42-90-1-F43 10031-23-05' / CCD chip name(s) AMPNAME = 'e2v 10031-23-05, left' / Amplifier name(s) GAIN = 2.14000010490417 / Amplifier gain RDNOISE = 3.5 / Readout noise CCDSIZE = '[1:2048,1:4644]' / CCD chip size CCDSUM = '1 1 ' / CCD sum CCDSEC = '[1:1024,1:4608]' / CCD section(s) DETSEC = '[1:1024,1:4608]' / Detector section(s) DATASEC = '[1:1024,1:4608]' / Data section(s) BIASSEC = '[1025:1056,1:4608]' / Bias section(s) FRMNAME = 'dhsFrame' / Name assigned to a frame of data. FRAMEID = '0 ' / Frame Id DATATYP = ' ' / Type of data frame EXTVER = 2 / Added by AstroData EXTNAME = 'SCI ' / Added by AstroData --- HDU 2 --- XTENSION= 'IMAGE ' / IMAGE extension BITPIX = 16 / number of bits per data pixel NAXIS = 2 / number of data axes NAXIS1 = 1056 / length of data axis 1 NAXIS2 = 4608 / 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 = 32.0141008465275 / Ref pix of axis 1 CRVAL1 = 253.141998440641 / RA at Ref pix in decimal degrees CTYPE2 = 'DEC--TAN' / DEC. in tangent plane projection CRPIX2 = 2302.85660222814 / Ref pix of axis 2 CRVAL2 = -15.4343613689562 / DEC at Ref pix in decimal degrees CD1_1 = -1.15341954403813E-08 / WCS matrix element 1 1 CD1_2 = -2.02455892750824E-05 / WCS matrix element 1 2 CD2_1 = 2.02514471021034E-05 / WCS matrix element 2 1 CD2_2 = -1.73340824953541E-08 / WCS matrix element 2 2 RADECSYS= 'FK5 ' / R.A./DEC. coordinate system reference EQUINOX = 2000. / Equinox of coordinate system MJD-OBS = 57497.6547535203 / MJD of start of obseration CCDNAME = 'e2v DD ML2AR CCD42-90-1-F43 10031-01-03' / CCD chip name(s) AMPNAME = 'e2v 10031-01-03, right' / Amplifier name(s) GAIN = 2.3199999332428 / Amplifier gain RDNOISE = 3.29999995231628 / Readout noise CCDSIZE = '[1:2048,1:4644]' / CCD chip size CCDSUM = '1 1 ' / CCD sum CCDSEC = '[1025:2048,1:4608]' / CCD section(s) DETSEC = '[3073:4096,1:4608]' / Detector section(s) DATASEC = '[33:1056,1:4608]' / Data section(s) BIASSEC = '[1:32,1:4608]' / Bias section(s) FRMNAME = 'dhsFrame' / Name assigned to a frame of data. FRAMEID = '3 ' / Frame Id DATATYP = ' ' / Type of data frame EXTVER = 3 / Added by AstroData EXTNAME = 'SCI ' / Added by AstroData --- HDU 3 --- XTENSION= 'IMAGE ' / IMAGE extension BITPIX = 16 / number of bits per data pixel NAXIS = 2 / number of data axes NAXIS1 = 1056 / length of data axis 1 NAXIS2 = 4608 / 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 = 1024.01410084653 / Ref pix of axis 1 CRVAL1 = 253.141998440641 / RA at Ref pix in decimal degrees CTYPE2 = 'DEC--TAN' / DEC. in tangent plane projection CRPIX2 = 2302.85660222814 / Ref pix of axis 2 CRVAL2 = -15.4343613689562 / DEC at Ref pix in decimal degrees CD1_1 = -1.15341954404474E-08 / WCS matrix element 1 1 CD1_2 = -2.02455892750824E-05 / WCS matrix element 1 2 CD2_1 = 2.02514471021034E-05 / WCS matrix element 2 1 CD2_2 = -1.73340824953401E-08 / WCS matrix element 2 2 RADECSYS= 'FK5 ' / R.A./DEC. coordinate system reference EQUINOX = 2000. / Equinox of coordinate system MJD-OBS = 57497.6547535203 / MJD of start of obseration CCDNAME = 'e2v DD ML2AR CCD42-90-1-F43 10031-01-03' / CCD chip name(s) AMPNAME = 'e2v 10031-01-03, left' / Amplifier name(s) GAIN = 2.22000002861023 / Amplifier gain RDNOISE = 3.5 / Readout noise CCDSIZE = '[1:2048,1:4644]' / CCD chip size CCDSUM = '1 1 ' / CCD sum CCDSEC = '[1:1024,1:4608]' / CCD section(s) DETSEC = '[2049:3072,1:4608]' / Detector section(s) DATASEC = '[1:1024,1:4608]' / Data section(s) BIASSEC = '[1025:1056,1:4608]' / Bias section(s) FRMNAME = 'dhsFrame' / Name assigned to a frame of data. FRAMEID = '2 ' / Frame Id DATATYP = ' ' / Type of data frame EXTVER = 4 / Added by AstroData EXTNAME = 'SCI ' / Added by AstroData --- HDU 4 --- XTENSION= 'IMAGE ' / IMAGE extension BITPIX = 16 / number of bits per data pixel NAXIS = 2 / number of data axes NAXIS1 = 1056 / length of data axis 1 NAXIS2 = 4608 / 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 = -1067.26189342077 / Ref pix of axis 1 CRVAL1 = 253.141998440641 / RA at Ref pix in decimal degrees CTYPE2 = 'DEC--TAN' / DEC. in tangent plane projection CRPIX2 = 2302.91355438053 / Ref pix of axis 2 CRVAL2 = -15.4343613689562 / DEC at Ref pix in decimal degrees CD1_1 = 7.69940395962186E-09 / WCS matrix element 1 1 CD1_2 = -2.02316215715084E-05 / WCS matrix element 1 2 CD2_1 = 2.01863825054171E-05 / WCS matrix element 2 1 CD2_2 = 1.17760831740654E-08 / WCS matrix element 2 2 RADECSYS= 'FK5 ' / R.A./DEC. coordinate system reference EQUINOX = 2000. / Equinox of coordinate system MJD-OBS = 57497.6547535203 / MJD of start of obseration CCDNAME = 'e2v DD ML2AR CCD42-90-1-F43 10031-18-04' / CCD chip name(s) AMPNAME = 'e2v 10031-18-04, left' / Amplifier name(s) GAIN = 2.19000005722046 / Amplifier gain RDNOISE = 3. / Readout noise CCDSIZE = '[1:2048,1:4644]' / CCD chip size CCDSUM = '1 1 ' / CCD sum CCDSEC = '[1:1024,1:4608]' / CCD section(s) DETSEC = '[4097:5120,1:4608]' / Detector section(s) DATASEC = '[1:1024,1:4608]' / Data section(s) BIASSEC = '[1025:1056,1:4608]' / Bias section(s) FRMNAME = 'dhsFrame' / Name assigned to a frame of data. FRAMEID = '4 ' / Frame Id DATATYP = ' ' / Type of data frame EXTVER = 5 / Added by AstroData EXTNAME = 'SCI ' / Added by AstroData --- HDU 5 --- XTENSION= 'IMAGE ' / IMAGE extension BITPIX = 16 / number of bits per data pixel NAXIS = 2 / number of data axes NAXIS1 = 1056 / length of data axis 1 NAXIS2 = 4608 / 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 = -2059.26189342077 / Ref pix of axis 1 CRVAL1 = 253.141998440641 / RA at Ref pix in decimal degrees CTYPE2 = 'DEC--TAN' / DEC. in tangent plane projection CRPIX2 = 2302.91355438052 / Ref pix of axis 2 CRVAL2 = -15.4343613689562 / DEC at Ref pix in decimal degrees CD1_1 = 7.69940395975859E-09 / WCS matrix element 1 1 CD1_2 = -2.02316215715084E-05 / WCS matrix element 1 2 CD2_1 = 2.01863825054171E-05 / WCS matrix element 2 1 CD2_2 = 1.17760831740643E-08 / WCS matrix element 2 2 RADECSYS= 'FK5 ' / R.A./DEC. coordinate system reference EQUINOX = 2000. / Equinox of coordinate system MJD-OBS = 57497.6547535203 / MJD of start of obseration CCDNAME = 'e2v DD ML2AR CCD42-90-1-F43 10031-18-04' / CCD chip name(s) AMPNAME = 'e2v 10031-18-04, right' / Amplifier name(s) GAIN = 2.1800000667572 / Amplifier gain RDNOISE = 3.29999995231628 / Readout noise CCDSIZE = '[1:2048,1:4644]' / CCD chip size CCDSUM = '1 1 ' / CCD sum CCDSEC = '[1025:2048,1:4608]' / CCD section(s) DETSEC = '[5121:6144,1:4608]' / Detector section(s) DATASEC = '[33:1056,1:4608]' / Data section(s) BIASSEC = '[1:32,1:4608]' / Bias section(s) FRMNAME = 'dhsFrame' / Name assigned to a frame of data. FRAMEID = '5 ' / Frame Id DATATYP = ' ' / Type of data frame EXTVER = 6 / Added by AstroData EXTNAME = 'SCI ' / Added by AstroData