***Observing Log*** SIMPLE = T / Proper FITS format used BITPIX = 16 / 2 byte-pixel per data point NAXIS = 2 / CCD array NAXIS1 = 50 / Fastest varying axis in array NAXIS2 = 1024 / Next axis CCDSEG = '[261:460,1:1024]' / Frame format FILE = 'CC65936.fts' / File name OBJECT = 'HD99946 ' / Image name IMAGETYP= 'object ' / Type of observation OBSERVER= '[Vnk]/Tn/WxL' / Name(s) or ID(s) DATE-OBS= '20/05/99' / Universal Date: DD/MM/YY TIME-OBS= '04:00:48' / start Universal time ENDTIME = '04:15:49' / End time of exposure RA = '11:24:48' / Right Ascension, hh:mm:ss DEC = '30:32:00' / Declination, +/-dd:mm:ss HA = ' ' / Actual position of telescope EQUINOX = 1900 / Equinox EXPTIME = 901 / Exposure time in seconds EXPCOUNT= 2134 / Exposure meter counts AIRMASS = / Airmass at start of exposure CENTLAM = 8650 / Central wavelength for observation GRATING = 0831 / Grating description, lines/mm GTILT = 39.88 / Grating Tilt, degrees XGRATING= / Cross Grating, lines/mm XGTILT = / Cross Grating Tilt, degrees FOCUSTEL= 2714 / telescope focus FOCUSSP = 6.83 / spectrograph focus SLITWID = 306 / slit width in microns SLITLEN = / slit length in microns COMMENT COMMENT 01:40 UT ccd temp -100.0 C,OG560 stellar and flats order sep,R60 for COMMENT Exp. Meter 1000V INSTRUME= 'cass-ccd' / Data acquisition instrument DETECTOR= 'DDOCCD ' / CSF-THX-31156 Thomson 1024x1024 ccd ORIGSEC = '[1:1024,1:1024]' / Original frame format TELESCOP= '1.88M ' / Telescope CREATOR = 'CCD5NT v6.0' / Program that created this FITS file FILTER = 'h ' / Filter ID GAIN = 90 / cgain; =[(Gain_Factor-1)]x30 RELHUMID= 64 / % relative humidity TEMP-DOM= 10.6 / temperature: deg C, Dome floor air TEMP-CSE= 10.3 / temperature: deg C, pri cast TEMP-SEC= 6.6 / temperature: deg C, sec air TEMP-PRI= 7.9 / temperature: deg C, pri air TEMP-CON= 14.4 / temperature: deg C, CE200 box TEMP-HRK= 9.9 / temperature: deg C, heated Rack TEMP-CS1= 12.0 / temperature: deg C, Cass: CCD-Bridge TEMP-CS2= 14.3 / temperature: deg C, Cass, position2 TEMP-EC1= / temperature: deg C, Eche, position1 TEMP-EC2= / temperature: deg C, Eche, position2 TEMP-TUB= / temperature: deg C, telescope tube TEMP-CEL= / temperature: deg C, mirror cell Ï ***Observing Log*** SIMPLE = T / Proper FITS format used BITPIX = 16 / 2 byte-pixel per data point NAXIS = 2 / CCD array NAXIS1 = 50 / Fastest varying axis in array NAXIS2 = 1024 / Next axis CCDSEG = '[261:460,1:1024]' / Frame format FILE = 'CC65937.fts' / File name OBJECT = 'HD99946 ' / Image name IMAGETYP= 'object ' / Type of observation OBSERVER= '[Vnk]/Tn/WxL' / Name(s) or ID(s) DATE-OBS= '20/05/99' / Universal Date: DD/MM/YY TIME-OBS= '04:16:15' / start Universal time ENDTIME = '04:31:16' / End time of exposure RA = '11:24:48' / Right Ascension, hh:mm:ss DEC = '30:32:00' / Declination, +/-dd:mm:ss HA = ' ' / Actual position of telescope EQUINOX = 1900 / Equinox EXPTIME = 901 / Exposure time in seconds EXPCOUNT= 2266 / Exposure meter counts AIRMASS = / Airmass at start of exposure CENTLAM = 8650 / Central wavelength for observation GRATING = 0831 / Grating description, lines/mm GTILT = 39.88 / Grating Tilt, degrees XGRATING= / Cross Grating, lines/mm XGTILT = / Cross Grating Tilt, degrees FOCUSTEL= 2714 / telescope focus FOCUSSP = 6.83 / spectrograph focus SLITWID = 306 / slit width in microns SLITLEN = / slit length in microns COMMENT COMMENT 01:40 UT ccd temp -100.0 C,OG560 stellar and flats order sep,R60 for COMMENT Exp. Meter 1000V INSTRUME= 'cass-ccd' / Data acquisition instrument DETECTOR= 'DDOCCD ' / CSF-THX-31156 Thomson 1024x1024 ccd ORIGSEC = '[1:1024,1:1024]' / Original frame format TELESCOP= '1.88M ' / Telescope CREATOR = 'CCD5NT v6.0' / Program that created this FITS file FILTER = 'h ' / Filter ID GAIN = 90 / cgain; =[(Gain_Factor-1)]x30 RELHUMID= 64 / % relative humidity TEMP-DOM= 10.6 / temperature: deg C, Dome floor air TEMP-CSE= 10.3 / temperature: deg C, pri cast TEMP-SEC= 6.6 / temperature: deg C, sec air TEMP-PRI= 7.9 / temperature: deg C, pri air TEMP-CON= 14.3 / temperature: deg C, CE200 box TEMP-HRK= 9.8 / temperature: deg C, heated Rack TEMP-CS1= 11.9 / temperature: deg C, Cass: CCD-Bridge TEMP-CS2= 14.2 / temperature: deg C, Cass, position2 TEMP-EC1= / temperature: deg C, Eche, position1 TEMP-EC2= / temperature: deg C, Eche, position2 TEMP-TUB= / temperature: deg C, telescope tube TEMP-CEL= / temperature: deg C, mirror cell Ï