Filename: S20130202S0338.fits.bz2 AstroData Types: ['GSAOI_IMAGE_TWILIGHT', 'GEMINI', 'SIDEREAL', 'CAL', 'IMAGE', 'GSAOI_IMAGE', 'GSAOI_IMAGE_FLAT', 'GSAOI_CAL', 'GSAOI', 'GEMINI_SOUTH', 'RAW', 'UNPREPARED'] --- HDU 0 --- 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= 'GSAOI ' / Instrument used to acquire data OBJECT = 'Twilight' / Object Name OBSTYPE = 'OBJECT ' / Observation type OBSCLASS= 'dayCal ' / Observe class GEMPRGID= 'GS-CAL20130202' / Gemini programme ID OBSID = 'GS-CAL20130202-1' / Gemini Observation ID DATALAB = 'GS-CAL20130202-1-014' / Gemini Datalabel OBSERVER= 'Winge,Neichel,Vidal,Gimeno' / Observer OBSERVAT= 'Gemini-South' / Observatory (Gemini-North|Gemini-South) TELESCOP= 'Gemini-South' / Name of telescope (Gemini-North|Gemini-South) PARALLAX= 0. / Target Parallax RADVEL = 0. / Target Heliocentric Radial Velocity EPOCH = 2000. / Target Coordinate Epoch EQUINOX = 2000. / Equinox of coordinate system TRKEQUIN= 2000. / Tracking equinox SSA = 'Serio,Prado' / SSA RA = 75.05682083 / Target Right Ascension DEC = -27.68239722 / Target Declination ELEVATIO= 74.5582736111111 / Telescope Elevation at the start of exposure AZIMUTH = 84.7016652777778 / Telescope Azimuth at the start of exposure CRPA = -77.1039378802294 / Cass Rotator Position Angle at start HA = '-01:09:54.92' / Telescope hour angle at the start of exposure LT = '20:44:26.3' / Local time at start of exposure TRKFRAME= 'FK5 ' / Tracking co-ordinate DECTRACK= 0. / Differential tracking rate Dec TRKEPOCH= 56324.977048 / Differential tracking reference epoch RATRACK = 0. / Differential tracking rate RA FRAME = 'FK5 ' / Target coordinate system PMDEC = 0. / Target proper motion in Declination PMRA = 0. / Target proper motion in RA WAVELENG= 21200. / Effective Target Wavelength (A) RAWIQ = 'Any ' / Raw Image Quality RAWCC = '50-percentile' / 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 ' / Driving mode for carousel UT = '23:44:26.3' / UTC at start of exposure DATE = '2013-02-01' / UTC Date of observation (YYYY-MM-DD) M2BAFFLE= 'RETRACTED' / Position of M2 baffle M2CENBAF= 'OPEN ' / Position of M2 central hole baffle ST = '03:50:51.6' / Sidereal time at the start of the exposure XOFFSET = 11.7987534504 / Telescope offset in x in arcsec YOFFSET = -12.1979267507 / Telescope offset in y in arcsec POFFSET = -12. / Telescope offset in p in arcsec QOFFSET = 12. / Telescope offset in q in arcsec RAOFFSET= 12. / Telescope offset in RA in arcsec DECOFFSE= -12. / Telescope offset in DEC in arcsec RATRGOFF= 0. / Target offset in RA in arcsec DECTRGOF= 0. / Target offset in DEC in arcsec PA = 0. / Instrument Position Angle at start (degrees) IAA = 0.953 / Instrument Alignment Angle SFRT2 = -89.975 / Science fold rotation angle (degrees) SFTILT = -44.83 / Science fold tilt angle (degrees) SFLINEAR= -18. / Science fold linear position (mm) AOFOLD = 'IN ' / 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) REQIQ = 'Any ' / Requested Image Quality REQCC = 'Any ' / Requested Cloud Cover REQBG = 'Any ' / Requested Background REQWV = 'Any ' / Requested Water Vapour HUMIDITY= 26. / The relative humidity (fraction, 0..101). TAMBIENT= 15.8 / The ambient temp (C). TAMBIEN2= 60.44 / The ambient temp (F). PRESSURE= 551.4558 / The atmospheric pressure (mm Hg). PRESSUR2= 73500. / The atmospheric pressure (Pa). DEWPOINT= -3.4 / The dew point (C). DEWPOIN2= 25.88 / The dew point (F). WINDSPEE= 2.1 / The wind speed (m/s). WINDSPE2= 4.6977 / The wind speed (mph). WINDDIRE= 352. / The wind direction (degrees). INPORT = 1 / Number of ISS port where instrument is located FILTER1 = 'Kprime_G1104' / Upper filter wheel component in beam FILT1POS= 18867 / Upper filter wheel engineering position FILT1CAR= 'GOOD ' / Upper filter wheel combined CAR state FILTER2 = 'Clear ' / Lower filter wheel component in beam FILT2POS= 69633 / Lower filter wheel engineering position FILT2CAR= 'GOOD ' / Lower filter wheel combined CAR state UTLWHEEL= 'Clear ' / Utility wheel component in beam UTLWPOS = 54720 / Utility wheel engineering position UTLWCAR = 'GOOD ' / Utility wheel combined CAR state COVER = 'OPEN ' / Cover status CVERPOS = 9300 / Cover engineering position CVERCAR = 'GOOD ' / Cover combined CAR state CWSTEMP = 70. / Cold work surface temperature DETTEMP = 70. / Detector temperature DETHTEMP= 65. / Detector housing temperature DEWPRES = 1.18E-08 / Dewar pressure DATE-OBS= '2013-02-01' / UT Date of observation (YYYY-MM-DD) TIME-OBS= '23:44:26.8' / UT Time of observation MJD-OBS = 56324.988576 / MJD of start of observation SAMPMODE= 'FOWLER ' / Read method EXPMODE = 'NONDESTRUCTIVE' / Read mode NRESETS = 1 / Number of resets btw each exposure RSTDLAY = 0. / Reset delay (seconds) READTIME= 5.3 / Read time BUNIT = 'ADU ' / Units of quantity read from detector array DCNAME = 'GSAOI DC' / Detector controller name DCHLTH = 'GOOD ' / Detector controller health DCSIM = 'NONE ' / Detector controller simulation mode DSPTIMBN= 'tim.lod ' / SDSU timing board DSP code DSPTIMBV= 'V1.8.0 ' / SDSU timing board DSP code version DSPPCIN = 'pci.lod ' / SDSU PCI board DSP code DSPPCIV = 'V1.8.0 ' / SDSU PCI board DSP code version DETSIZE = '[1:4096,1:4096]' / Detector size DETECTOR= 'GSAOI ' / Detector NCCDS = 4 / Number of CCD chips NAMPS = 16 / Number of Amplifiers in this image NEXTEND = 4 / Number of standard extensions READMODE= 'FOWLER ' / Detector Readout mode RDTIME = 5.27849082 / integration time (seconds) COADDS = 1 / Number of coadds LNRS = 2 / Number of Non-destructive reads EXPTIME = 30. / Exposure time requested (seconds) UTSTART = '23:44:31.3' / UT at observation start UTEND = '23:45:06.7' / UT at observation end ELAPSED = 36. / Time from reset to final NDR of 1st pixel (seco READDLAY= 24.7 / Read interval (seconds) CRFOLLOW= 'INDEF ' / Cass Rotator follow mode GEMSSADC= 'OFF ' / GeMS Science ADC GEMSDICH= 0.85 / GeMS dichroic beamspliter (microns) GEMSASTR= 'regular ' / GeMS Astrometric correction GEMSNADC= 'OFF ' / GeMS NGS WFS ADC LGWFS1CT= 129. / Total counts in LGWFS1 at end of exposure LGWFS2CT= 133. / Total counts in LGWFS2 at end of exposure LGWFS3CT= 163. / Total counts in LGWFS3 at end of exposure LGWFS4CT= 119. / Total counts in LGWFS4 at end of exposure LGWFS5CT= 114. / Total counts in LGWFS5 at end of exposure SFSFOCUS= 0. / SFS focus at the end of the exposure SFSCTNS = 0. / SFS counts at the end of exposure LGSLOOP = 'OPEN ' / Status of the LGS loop TTLOOP = 'OPEN ' / Status of the tip-tilt loop FOCLOOP = 'OPEN ' / Status of the Slow Focus loop FLEXLOOP= 'OPEN ' / Status of the flexure loop LGSSTRHL= 94. / Strehl estimate from the LGS in H-band RZEROVAL= 245. / r0 value at 500nm in cm CNSQARE1= 0. / Cn2 value for altitude from 0 to 0.8km CNSQARE2= 0. / Cn2 value for altitude from 0.8 to 4.0km CNSQARE3= 0. / Cn2 value for altitude from 4.0 to 7.1km CNSQARE4= 0. / Cn2 value for altitude from 7.1 to 9.6km CNSQARE5= 0. / Cn2 value for altitude from 9.6 to 11km CNSQARE6= 0. / Cn2 value for altitude higher than 11km AIRMASS = 1.037 / Mean airmass for the exposure AMSTART = 1.037 / Airmass at start of exposure AMEND = 1.036 / Airmass at end of exposure RELEASE = '2013-02-01' / End of proprietary period YYYY-MM-DD --- HDU 1 --- XTENSION= 'IMAGE ' / IMAGE extension BITPIX = -32 / number of bits per data pixel NAXIS = 2 / number of data axes NAXIS1 = 2048 / length of data axis 1 NAXIS2 = 2048 / length of data axis 2 PCOUNT = 0 / required keyword; must = 0 GCOUNT = 1 / required keyword; must = 1 EXTNAME = 'SCI ' / ad1406: added by AstroData EXTVER = 1 / ad1410: added by AstroData INHERIT = F / inherit the primary header CCDNAME = 'G1 ' / Array name CCDSIZE = '[1:2048,1:2048]' / Array dimensions CCDSUM = '1 1 ' / Array binning CCDSEC = '[1:2048,1:2048]' / Array section AMPNAME1= 'A ' / Amplifier 1 name AMPSEC1 = '[1:512,1:2048]' / Amplifier 1 section DETSEC = '[2049:4096,1:2048]' / Detector section (wrt mosaic) DATASEC = '[1:2048,1:2048]' / Current datasection of the frame AMPNAME2= 'B ' / Amplifier 2 name AMPSEC2 = '[1024:513,1:2048]' / Amplifier 2 section AMPNAME3= 'C ' / Amplifier 3 name AMPSEC3 = '[1025:1536,1:2048]' / Amplifier 3 section AMPNAME4= 'D ' / Amplifier 4 name AMPSEC4 = '[2048:1537,1:2048]' / Amplifier 4 section CTYPE1 = 'RA---TAN' / R.A. in tangent plane projection CTYPE2 = 'DEC--TAN' / DEC. in tangent plane projection CRPIX1 = -123.300192540885 / Ref pix of axis 1 CRPIX2 = 2976.91683617252 / Ref pix of axis 2 CRVAL1 = 75.0511917302029 / RA at Ref pix in decimal degrees CRVAL2 = -27.6759621432171 / DEC. at Ref pix in decimal degrees CD1_1 = 5.40498617895568E-06 / partial of first axis coord w.r.t. x CD1_2 = 4.95160422259898E-08 / partial of first axis coord w.r.t. y CD2_1 = 4.29572808374558E-08 / partial of second axis coord w.r.t. x CD2_2 = 5.47809305505192E-06 / partial of second axis coord w.r.t. y RADECSYS= 'FK5 ' / R.A./DEC. coordinate system reference XSCALE = 0.0194472819480821 / Pixel scale in X (in arcsec) YSCALE = 0.019710767743792 / Pixel scale in Y (in arcsec) ARRAYID = 'H2RG-032-074' / Array serial number FRMNAME = 'GSAOI_Frame1' / Name assigned to a data frame FRAMEID = '0 ' / GSAOI Frame identifier DATATYP = 'Intensity' / Type of data frame GAIN = 2.43400001525879 / Gain (e-/ADU) RDNOISE = 26.5300006866455 / Read noise (e-) --- HDU 2 --- XTENSION= 'IMAGE ' / IMAGE extension BITPIX = -32 / number of bits per data pixel NAXIS = 2 / number of data axes NAXIS1 = 2048 / length of data axis 1 NAXIS2 = 2048 / length of data axis 2 PCOUNT = 0 / required keyword; must = 0 GCOUNT = 1 / required keyword; must = 1 EXTNAME = 'SCI ' / ad1406: added by AstroData EXTVER = 2 / ad1410: added by AstroData INHERIT = F / inherit the primary header CCDNAME = 'G2 ' / Array name CCDSIZE = '[1:2048,1:2048]' / Array dimensions CCDSUM = '1 1 ' / Array binning CCDSEC = '[1:2048,1:2048]' / Array section AMPNAME1= 'A ' / Amplifier 1 name AMPSEC1 = '[1:512,1:2048]' / Amplifier 1 section DETSEC = '[1:2048,1:2048]' / Detector section (wrt mosaic) DATASEC = '[1:2048,1:2048]' / Current datasection of the frame AMPNAME2= 'B ' / Amplifier 2 name AMPSEC2 = '[1024:513,1:2048]' / Amplifier 2 section AMPNAME3= 'C ' / Amplifier 3 name AMPSEC3 = '[1025:1536,1:2048]' / Amplifier 3 section AMPNAME4= 'C ' / Amplifier 4 name AMPSEC4 = '[2048:1537,1:2048]' / Amplifier 4 section CTYPE1 = 'RA---TAN' / R.A. in tangent plane projection CTYPE2 = 'DEC--TAN' / DEC. in tangent plane projection CRPIX1 = 2116.11365873558 / Ref pix of axis 1 CRPIX2 = 2970.10811625838 / Ref pix of axis 2 CRVAL1 = 75.0511917302029 / RA at Ref pix in decimal degrees CRVAL2 = -27.6759621432171 / DEC. at Ref pix in decimal degrees CD1_1 = 5.56475859282278E-06 / partial of first axis coord w.r.t. x CD1_2 = 5.14642778129104E-08 / partial of first axis coord w.r.t. y CD2_1 = 4.27418593413967E-08 / partial of second axis coord w.r.t. x CD2_2 = 5.4772021699873E-06 / partial of second axis coord w.r.t. y RADECSYS= 'FK5 ' / R.A./DEC. coordinate system reference XSCALE = 0.0200221055609682 / Pixel scale in X (in arcsec) YSCALE = 0.0197076270685495 / Pixel scale in Y (in arcsec) ARRAYID = 'H2RG-032-064' / Array serial number FRMNAME = 'GSAOI_Frame2' / Name assigned to a data frame FRAMEID = '1 ' / GSAOI Frame identifier DATATYP = 'Intensity' / Type of data frame GAIN = 2.00999999046326 / Gain (e-/ADU) RDNOISE = 19.1000003814697 / Read noise (e-) --- HDU 3 --- XTENSION= 'IMAGE ' / IMAGE extension BITPIX = -32 / number of bits per data pixel NAXIS = 2 / number of data axes NAXIS1 = 2048 / length of data axis 1 NAXIS2 = 2048 / length of data axis 2 PCOUNT = 0 / required keyword; must = 0 GCOUNT = 1 / required keyword; must = 1 EXTNAME = 'SCI ' / ad1406: added by AstroData EXTVER = 3 / ad1410: added by AstroData INHERIT = F / inherit the primary header CCDNAME = 'G3 ' / Array name CCDSIZE = '[1:2048,1:2048]' / Array dimensions CCDSUM = '1 1 ' / Array binning CCDSEC = '[1:2048,1:2048]' / Array section AMPNAME1= 'A ' / Amplifier 1 name AMPSEC1 = '[2048:1537,2048:1]' / Amplifier 1 section DETSEC = '[1:2048,2049:4096]' / Detector section (wrt mosaic) DATASEC = '[1:2048,1:2048]' / Current datasection of the frame AMPNAME2= 'B ' / Amplifier 2 name AMPSEC2 = '[1025:1536,2048:1]' / Amplifier 2 section AMPNAME3= 'C ' / Amplifier 3 name AMPSEC3 = '[1024:513,2048:1]' / Amplifier 3 section AMPNAME4= 'C ' / Amplifier 4 name AMPSEC4 = '[1:512,2048:1]' / Amplifier 4 section CTYPE1 = 'RA---TAN' / R.A. in tangent plane projection CTYPE2 = 'DEC--TAN' / DEC. in tangent plane projection CRPIX1 = 2083.31155611152 / Ref pix of axis 1 CRPIX2 = 780.085526576742 / Ref pix of axis 2 CRVAL1 = 75.0511917302029 / RA at Ref pix in decimal degrees CRVAL2 = -27.6759621432171 / DEC. at Ref pix in decimal degrees CD1_1 = 5.55870041959631E-06 / partial of first axis coord w.r.t. x CD1_2 = -1.14497048715718E-07 / partial of first axis coord w.r.t. y CD2_1 = 5.98693689931267E-08 / partial of second axis coord w.r.t. x CD2_2 = 5.47602896929561E-06 / partial of second axis coord w.r.t. y RADECSYS= 'FK5 ' / R.A./DEC. coordinate system reference XSCALE = 0.02000087775423 / Pixel scale in X (in arcsec) YSCALE = 0.019706846402433 / Pixel scale in Y (in arcsec) ARRAYID = 'H2RG-032-071' / Array serial number FRMNAME = 'GSAOI_Frame3' / Name assigned to a data frame FRAMEID = '2 ' / GSAOI Frame identifier DATATYP = 'Intensity' / Type of data frame GAIN = 2.41100001335144 / Gain (e-/ADU) RDNOISE = 27.2399997711182 / Read noise (e-) --- HDU 4 --- XTENSION= 'IMAGE ' / IMAGE extension BITPIX = -32 / number of bits per data pixel NAXIS = 2 / number of data axes NAXIS1 = 2048 / length of data axis 1 NAXIS2 = 2048 / length of data axis 2 PCOUNT = 0 / required keyword; must = 0 GCOUNT = 1 / required keyword; must = 1 EXTNAME = 'SCI ' / ad1406: added by AstroData EXTVER = 4 / ad1410: added by AstroData INHERIT = F / inherit the primary header CCDNAME = 'G4 ' / Array name CCDSIZE = '[1:2048,1:2048]' / Array dimensions CCDSUM = '1 1 ' / Array binning CCDSEC = '[1:2048,1:2048]' / Array section AMPNAME1= 'A ' / Amplifier 1 name AMPSEC1 = '[2048:1537,2048:1]' / Amplifier 1 section DETSEC = '[2049:4096,2049:4096]' / Detector section (wrt mosaic) DATASEC = '[1:2048,1:2048]' / Current datasection of the frame AMPNAME2= 'B ' / Amplifier 2 name AMPSEC2 = '[1025:1536,2048:1]' / Amplifier 2 section AMPNAME3= 'C ' / Amplifier 3 name AMPSEC3 = '[1024:513,2048:1]' / Amplifier 3 section AMPNAME4= 'C ' / Amplifier 4 name AMPSEC4 = '[1:512,2048:1]' / Amplifier 4 section CTYPE1 = 'RA---TAN' / R.A. in tangent plane projection CTYPE2 = 'DEC--TAN' / DEC. in tangent plane projection CRPIX1 = -147.813734284604 / Ref pix of axis 1 CRPIX2 = 788.631179543469 / Ref pix of axis 2 CRVAL1 = 75.0511917302029 / RA at Ref pix in decimal degrees CRVAL2 = -27.6759621432171 / DEC. at Ref pix in decimal degrees CD1_1 = 5.40428812621269E-06 / partial of first axis coord w.r.t. x CD1_2 = -1.06912698258458E-07 / partial of first axis coord w.r.t. y CD2_1 = 3.63894559622788E-08 / partial of second axis coord w.r.t. x CD2_2 = 5.47195490586438E-06 / partial of second axis coord w.r.t. y RADECSYS= 'FK5 ' / R.A./DEC. coordinate system reference XSCALE = 0.0194445971867326 / Pixel scale in X (in arcsec) YSCALE = 0.0196916391480457 / Pixel scale in Y (in arcsec) ARRAYID = 'H2RG-032-061' / Array serial number FRMNAME = 'GSAOI_Frame4' / Name assigned to a data frame FRAMEID = '3 ' / GSAOI Frame identifier DATATYP = 'Intensity' / Type of data frame GAIN = 2.64400005340576 / Gain (e-/ADU) RDNOISE = 32.2599983215332 / Read noise (e-)