***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 = '[371:570,1:1024]' / Frame format FILE = 'CC67574.fts' / File name OBJECT = 'RXJ2201 ' / Image name IMAGETYP= 'object ' / Type of observation OBSERVER= 'Mki/WxL ' / Name(s) or ID(s) DATE-OBS= '18/08/99' / Universal Date: DD/MM/YY TIME-OBS= '07:03:52' / start Universal time ENDTIME = '07:09:01' / End time of exposure RA = '22:01:13' / Right Ascension, hh:mm:ss DEC = '28:18:24' / Declination, +/-dd:mm:ss HA = ' ' / Actual position of telescope EQUINOX = 2000 / Equinox EXPTIME = 300.00 / Exposure time in seconds EXPCOUNT= 449 / Exposure meter counts AIRMASS = / Airmass at start of exposure CENTLAM = 6600 / Central wavelength for observation GRATING = 1800 / Grating description, lines/mm GTILT = 56.42 / Grating Tilt, degrees XGRATING= / Cross Grating, lines/mm XGTILT = / Cross Grating Tilt, degrees FOCUSTEL= 2677 / telescope focus FOCUSSP = 4.75 / spectrograph focus SLITWID = 306 / slit width in microns SLITLEN = / slit length in microns COMMENT COMMENT 01:00 UT CCD Temp -101.5 COMMENT Exp meter HV=1320V 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 = ' ' / Filter ID GAIN = 90 / cgain; =[(Gain_Factor-1)]x30 RELHUMID= 66.4 / % relative humidity TEMP-DOM= 20.8 / temperature: deg C, Dome floor air TEMP-CSE= 15.7 / temperature: deg C, pri cast TEMP-SEC= 13.6 / temperature: deg C, sec air TEMP-PRI= 15.5 / temperature: deg C, pri air TEMP-CON= 21.8 / temperature: deg C, CE200 box TEMP-HRK= 17.4 / temperature: deg C, heated Rack TEMP-CS1= 18.1 / temperature: deg C, Cass: CCD-Bridge TEMP-CS2= 20.0 / 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 = '[371:570,1:1024]' / Frame format FILE = 'CC67575.fts' / File name OBJECT = 'RXJ2201 ' / Image name IMAGETYP= 'object ' / Type of observation OBSERVER= 'Mki/WxL ' / Name(s) or ID(s) DATE-OBS= '18/08/99' / Universal Date: DD/MM/YY TIME-OBS= '07:09:15' / start Universal time ENDTIME = '07:14:23' / End time of exposure RA = '22:01:13' / Right Ascension, hh:mm:ss DEC = '28:18:24' / Declination, +/-dd:mm:ss HA = ' ' / Actual position of telescope EQUINOX = 2000 / Equinox EXPTIME = 300.00 / Exposure time in seconds EXPCOUNT= 473 / Exposure meter counts AIRMASS = / Airmass at start of exposure CENTLAM = 6600 / Central wavelength for observation GRATING = 1800 / Grating description, lines/mm GTILT = 56.42 / Grating Tilt, degrees XGRATING= / Cross Grating, lines/mm XGTILT = / Cross Grating Tilt, degrees FOCUSTEL= 2677 / telescope focus FOCUSSP = 4.75 / spectrograph focus SLITWID = 306 / slit width in microns SLITLEN = / slit length in microns COMMENT COMMENT 01:00 UT CCD Temp -101.5 COMMENT Exp meter HV=1320V 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 = ' ' / Filter ID GAIN = 90 / cgain; =[(Gain_Factor-1)]x30 RELHUMID= 66.4 / % relative humidity TEMP-DOM= 20.8 / temperature: deg C, Dome floor air TEMP-CSE= 15.7 / temperature: deg C, pri cast TEMP-SEC= 13.6 / temperature: deg C, sec air TEMP-PRI= 15.5 / temperature: deg C, pri air TEMP-CON= 21.8 / temperature: deg C, CE200 box TEMP-HRK= 17.3 / temperature: deg C, heated Rack TEMP-CS1= 18.1 / temperature: deg C, Cass: CCD-Bridge TEMP-CS2= 19.9 / 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 = '[371:570,1:1024]' / Frame format FILE = 'CC67576.fts' / File name OBJECT = 'RXJ2201 ' / Image name IMAGETYP= 'object ' / Type of observation OBSERVER= 'Mki/WxL ' / Name(s) or ID(s) DATE-OBS= '18/08/99' / Universal Date: DD/MM/YY TIME-OBS= '07:14:37' / start Universal time ENDTIME = '07:19:46' / End time of exposure RA = '22:01:13' / Right Ascension, hh:mm:ss DEC = '28:18:24' / Declination, +/-dd:mm:ss HA = ' ' / Actual position of telescope EQUINOX = 2000 / Equinox EXPTIME = 300.00 / Exposure time in seconds EXPCOUNT= 470 / Exposure meter counts AIRMASS = / Airmass at start of exposure CENTLAM = 6600 / Central wavelength for observation GRATING = 1800 / Grating description, lines/mm GTILT = 56.42 / Grating Tilt, degrees XGRATING= / Cross Grating, lines/mm XGTILT = / Cross Grating Tilt, degrees FOCUSTEL= 2677 / telescope focus FOCUSSP = 4.75 / spectrograph focus SLITWID = 306 / slit width in microns SLITLEN = / slit length in microns COMMENT COMMENT 01:00 UT CCD Temp -101.5 COMMENT Exp meter HV=1320V 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 = ' ' / Filter ID GAIN = 90 / cgain; =[(Gain_Factor-1)]x30 RELHUMID= 66.4 / % relative humidity TEMP-DOM= 20.8 / temperature: deg C, Dome floor air TEMP-CSE= 15.7 / temperature: deg C, pri cast TEMP-SEC= 13.6 / temperature: deg C, sec air TEMP-PRI= 15.5 / temperature: deg C, pri air TEMP-CON= 21.8 / temperature: deg C, CE200 box TEMP-HRK= 17.4 / temperature: deg C, heated Rack TEMP-CS1= 18.0 / temperature: deg C, Cass: CCD-Bridge TEMP-CS2= 19.9 / 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 = '[371:570,1:1024]' / Frame format FILE = 'CC67577.fts' / File name OBJECT = 'RXJ2201 ' / Image name IMAGETYP= 'object ' / Type of observation OBSERVER= 'Mki/WxL ' / Name(s) or ID(s) DATE-OBS= '18/08/99' / Universal Date: DD/MM/YY TIME-OBS= '07:20:00' / start Universal time ENDTIME = '07:25:08' / End time of exposure RA = '22:01:13' / Right Ascension, hh:mm:ss DEC = '28:18:24' / Declination, +/-dd:mm:ss HA = ' ' / Actual position of telescope EQUINOX = 2000 / Equinox EXPTIME = 300.00 / Exposure time in seconds EXPCOUNT= 462 / Exposure meter counts AIRMASS = / Airmass at start of exposure CENTLAM = 6600 / Central wavelength for observation GRATING = 1800 / Grating description, lines/mm GTILT = 56.42 / Grating Tilt, degrees XGRATING= / Cross Grating, lines/mm XGTILT = / Cross Grating Tilt, degrees FOCUSTEL= 2677 / telescope focus FOCUSSP = 4.75 / spectrograph focus SLITWID = 306 / slit width in microns SLITLEN = / slit length in microns COMMENT COMMENT 01:00 UT CCD Temp -101.5 COMMENT Exp meter HV=1320V 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 = ' ' / Filter ID GAIN = 90 / cgain; =[(Gain_Factor-1)]x30 RELHUMID= 66.4 / % relative humidity TEMP-DOM= 20.8 / temperature: deg C, Dome floor air TEMP-CSE= 15.7 / temperature: deg C, pri cast TEMP-SEC= 13.6 / temperature: deg C, sec air TEMP-PRI= 15.5 / temperature: deg C, pri air TEMP-CON= 21.8 / temperature: deg C, CE200 box TEMP-HRK= 17.4 / temperature: deg C, heated Rack TEMP-CS1= 18.0 / temperature: deg C, Cass: CCD-Bridge TEMP-CS2= 19.9 / 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 = '[371:570,1:1024]' / Frame format FILE = 'CC67578.fts' / File name OBJECT = 'feAr ' / Image name IMAGETYP= 'comp ' / Type of observation OBSERVER= 'Mki/WxL ' / Name(s) or ID(s) DATE-OBS= '18/08/99' / Universal Date: DD/MM/YY TIME-OBS= '07:29:23' / start Universal time ENDTIME = '07:29:34' / End time of exposure RA = ' ' / Right Ascension, hh:mm:ss DEC = ' ' / Declination, +/-dd:mm:ss HA = ' ' / Actual position of telescope EQUINOX = 2000 / Equinox EXPTIME = 4.00 / Exposure time in seconds EXPCOUNT= / Exposure meter counts AIRMASS = / Airmass at start of exposure CENTLAM = 6600 / Central wavelength for observation GRATING = 1800 / Grating description, lines/mm GTILT = 56.42 / Grating Tilt, degrees XGRATING= / Cross Grating, lines/mm XGTILT = / Cross Grating Tilt, degrees FOCUSTEL= 2677 / telescope focus FOCUSSP = 4.75 / spectrograph focus SLITWID = 306 / slit width in microns SLITLEN = / slit length in microns COMMENT COMMENT 01:00 UT CCD Temp -101.5 COMMENT Exp meter HV=1320V 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 = ' ' / Filter ID GAIN = 90 / cgain; =[(Gain_Factor-1)]x30 RELHUMID= 66.4 / % relative humidity TEMP-DOM= 20.8 / temperature: deg C, Dome floor air TEMP-CSE= 15.7 / temperature: deg C, pri cast TEMP-SEC= 13.6 / temperature: deg C, sec air TEMP-PRI= 15.5 / temperature: deg C, pri air TEMP-CON= 21.7 / temperature: deg C, CE200 box TEMP-HRK= 17.1 / temperature: deg C, heated Rack TEMP-CS1= 18.0 / temperature: deg C, Cass: CCD-Bridge TEMP-CS2= 19.8 / 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 = '[371:570,1:1024]' / Frame format FILE = 'CC67579.fts' / File name OBJECT = 'RXJ2201 ' / Image name IMAGETYP= 'object ' / Type of observation OBSERVER= 'Mki/WxL ' / Name(s) or ID(s) DATE-OBS= '18/08/99' / Universal Date: DD/MM/YY TIME-OBS= '07:30:52' / start Universal time ENDTIME = '07:36:01' / End time of exposure RA = '22:01:13' / Right Ascension, hh:mm:ss DEC = '28:18:24' / Declination, +/-dd:mm:ss HA = ' ' / Actual position of telescope EQUINOX = 2000 / Equinox EXPTIME = 300.00 / Exposure time in seconds EXPCOUNT= 446 / Exposure meter counts AIRMASS = / Airmass at start of exposure CENTLAM = 6600 / Central wavelength for observation GRATING = 1800 / Grating description, lines/mm GTILT = 56.42 / Grating Tilt, degrees XGRATING= / Cross Grating, lines/mm XGTILT = / Cross Grating Tilt, degrees FOCUSTEL= 2677 / telescope focus FOCUSSP = 4.75 / spectrograph focus SLITWID = 306 / slit width in microns SLITLEN = / slit length in microns COMMENT COMMENT 01:00 UT CCD Temp -101.5 COMMENT Exp meter HV=1320V 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 = ' ' / Filter ID GAIN = 90 / cgain; =[(Gain_Factor-1)]x30 RELHUMID= 66.4 / % relative humidity TEMP-DOM= 20.8 / temperature: deg C, Dome floor air TEMP-CSE= 15.7 / temperature: deg C, pri cast TEMP-SEC= 13.6 / temperature: deg C, sec air TEMP-PRI= 15.5 / temperature: deg C, pri air TEMP-CON= 21.6 / temperature: deg C, CE200 box TEMP-HRK= 17.2 / temperature: deg C, heated Rack TEMP-CS1= 18.0 / temperature: deg C, Cass: CCD-Bridge TEMP-CS2= 19.8 / 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 = '[371:570,1:1024]' / Frame format FILE = 'CC67580.fts' / File name OBJECT = 'RXJ2201 ' / Image name IMAGETYP= 'object ' / Type of observation OBSERVER= 'Mki/WxL ' / Name(s) or ID(s) DATE-OBS= '18/08/99' / Universal Date: DD/MM/YY TIME-OBS= '07:36:15' / start Universal time ENDTIME = '07:41:23' / End time of exposure RA = '22:01:13' / Right Ascension, hh:mm:ss DEC = '28:18:24' / Declination, +/-dd:mm:ss HA = ' ' / Actual position of telescope EQUINOX = 2000 / Equinox EXPTIME = 300.00 / Exposure time in seconds EXPCOUNT= 442 / Exposure meter counts AIRMASS = / Airmass at start of exposure CENTLAM = 6600 / Central wavelength for observation GRATING = 1800 / Grating description, lines/mm GTILT = 56.42 / Grating Tilt, degrees XGRATING= / Cross Grating, lines/mm XGTILT = / Cross Grating Tilt, degrees FOCUSTEL= 2677 / telescope focus FOCUSSP = 4.75 / spectrograph focus SLITWID = 306 / slit width in microns SLITLEN = / slit length in microns COMMENT COMMENT 01:00 UT CCD Temp -101.5 COMMENT Exp meter HV=1320V 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 = ' ' / Filter ID GAIN = 90 / cgain; =[(Gain_Factor-1)]x30 RELHUMID= 66.4 / % relative humidity TEMP-DOM= 20.8 / temperature: deg C, Dome floor air TEMP-CSE= 15.7 / temperature: deg C, pri cast TEMP-SEC= 13.6 / temperature: deg C, sec air TEMP-PRI= 15.5 / temperature: deg C, pri air TEMP-CON= 21.6 / temperature: deg C, CE200 box TEMP-HRK= 17.1 / temperature: deg C, heated Rack TEMP-CS1= 17.9 / temperature: deg C, Cass: CCD-Bridge TEMP-CS2= 19.8 / 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 = '[371:570,1:1024]' / Frame format FILE = 'CC67581.fts' / File name OBJECT = 'RXJ2201 ' / Image name IMAGETYP= 'object ' / Type of observation OBSERVER= 'Mki/WxL ' / Name(s) or ID(s) DATE-OBS= '18/08/99' / Universal Date: DD/MM/YY TIME-OBS= '07:41:37' / start Universal time ENDTIME = '07:46:46' / End time of exposure RA = '22:01:13' / Right Ascension, hh:mm:ss DEC = '28:18:24' / Declination, +/-dd:mm:ss HA = ' ' / Actual position of telescope EQUINOX = 2000 / Equinox EXPTIME = 300.00 / Exposure time in seconds EXPCOUNT= 425 / Exposure meter counts AIRMASS = / Airmass at start of exposure CENTLAM = 6600 / Central wavelength for observation GRATING = 1800 / Grating description, lines/mm GTILT = 56.42 / Grating Tilt, degrees XGRATING= / Cross Grating, lines/mm XGTILT = / Cross Grating Tilt, degrees FOCUSTEL= 2677 / telescope focus FOCUSSP = 4.75 / spectrograph focus SLITWID = 306 / slit width in microns SLITLEN = / slit length in microns COMMENT COMMENT 01:00 UT CCD Temp -101.5 COMMENT Exp meter HV=1320V 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 = ' ' / Filter ID GAIN = 90 / cgain; =[(Gain_Factor-1)]x30 RELHUMID= 66.4 / % relative humidity TEMP-DOM= 20.8 / temperature: deg C, Dome floor air TEMP-CSE= 15.7 / temperature: deg C, pri cast TEMP-SEC= 13.6 / temperature: deg C, sec air TEMP-PRI= 15.5 / temperature: deg C, pri air TEMP-CON= 21.8 / temperature: deg C, CE200 box TEMP-HRK= 17.1 / temperature: deg C, heated Rack TEMP-CS1= 17.9 / temperature: deg C, Cass: CCD-Bridge TEMP-CS2= 19.7 / 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 = '[371:570,1:1024]' / Frame format FILE = 'CC67582.fts' / File name OBJECT = 'RXJ2201 ' / Image name IMAGETYP= 'object ' / Type of observation OBSERVER= 'Mki/WxL ' / Name(s) or ID(s) DATE-OBS= '18/08/99' / Universal Date: DD/MM/YY TIME-OBS= '07:47:00' / start Universal time ENDTIME = '07:52:08' / End time of exposure RA = '22:01:13' / Right Ascension, hh:mm:ss DEC = '28:18:24' / Declination, +/-dd:mm:ss HA = ' ' / Actual position of telescope EQUINOX = 2000 / Equinox EXPTIME = 300.00 / Exposure time in seconds EXPCOUNT= 436 / Exposure meter counts AIRMASS = / Airmass at start of exposure CENTLAM = 6600 / Central wavelength for observation GRATING = 1800 / Grating description, lines/mm GTILT = 56.42 / Grating Tilt, degrees XGRATING= / Cross Grating, lines/mm XGTILT = / Cross Grating Tilt, degrees FOCUSTEL= 2677 / telescope focus FOCUSSP = 4.75 / spectrograph focus SLITWID = 306 / slit width in microns SLITLEN = / slit length in microns COMMENT COMMENT 01:00 UT CCD Temp -101.5 COMMENT Exp meter HV=1320V 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 = ' ' / Filter ID GAIN = 90 / cgain; =[(Gain_Factor-1)]x30 RELHUMID= 66.4 / % relative humidity TEMP-DOM= 20.8 / temperature: deg C, Dome floor air TEMP-CSE= 15.7 / temperature: deg C, pri cast TEMP-SEC= 13.6 / temperature: deg C, sec air TEMP-PRI= 15.5 / temperature: deg C, pri air TEMP-CON= 21.6 / temperature: deg C, CE200 box TEMP-HRK= 17.1 / temperature: deg C, heated Rack TEMP-CS1= 17.9 / temperature: deg C, Cass: CCD-Bridge TEMP-CS2= 19.7 / 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 = '[371:570,1:1024]' / Frame format FILE = 'CC67583.fts' / File name OBJECT = 'RXJ2201 ' / Image name IMAGETYP= 'object ' / Type of observation OBSERVER= 'Mki/WxL ' / Name(s) or ID(s) DATE-OBS= '18/08/99' / Universal Date: DD/MM/YY TIME-OBS= '07:52:22' / start Universal time ENDTIME = '07:57:31' / End time of exposure RA = '22:01:13' / Right Ascension, hh:mm:ss DEC = '28:18:24' / Declination, +/-dd:mm:ss HA = ' ' / Actual position of telescope EQUINOX = 2000 / Equinox EXPTIME = 300.00 / Exposure time in seconds EXPCOUNT= 410 / Exposure meter counts AIRMASS = / Airmass at start of exposure CENTLAM = 6600 / Central wavelength for observation GRATING = 1800 / Grating description, lines/mm GTILT = 56.42 / Grating Tilt, degrees XGRATING= / Cross Grating, lines/mm XGTILT = / Cross Grating Tilt, degrees FOCUSTEL= 2677 / telescope focus FOCUSSP = 4.75 / spectrograph focus SLITWID = 306 / slit width in microns SLITLEN = / slit length in microns COMMENT COMMENT 01:00 UT CCD Temp -101.5 COMMENT Exp meter HV=1320V 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 = ' ' / Filter ID GAIN = 90 / cgain; =[(Gain_Factor-1)]x30 RELHUMID= 66.4 / % relative humidity TEMP-DOM= 20.8 / temperature: deg C, Dome floor air TEMP-CSE= 15.7 / temperature: deg C, pri cast TEMP-SEC= 13.6 / temperature: deg C, sec air TEMP-PRI= 15.5 / temperature: deg C, pri air TEMP-CON= 21.7 / temperature: deg C, CE200 box TEMP-HRK= 17.1 / temperature: deg C, heated Rack TEMP-CS1= 17.8 / temperature: deg C, Cass: CCD-Bridge TEMP-CS2= 19.6 / 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 = '[371:570,1:1024]' / Frame format FILE = 'CC67584.fts' / File name OBJECT = 'RXJ2201 ' / Image name IMAGETYP= 'object ' / Type of observation OBSERVER= 'Mki/WxL ' / Name(s) or ID(s) DATE-OBS= '18/08/99' / Universal Date: DD/MM/YY TIME-OBS= '07:57:45' / start Universal time ENDTIME = '08:02:54' / End time of exposure RA = '22:01:13' / Right Ascension, hh:mm:ss DEC = '28:18:24' / Declination, +/-dd:mm:ss HA = ' ' / Actual position of telescope EQUINOX = 2000 / Equinox EXPTIME = 300.00 / Exposure time in seconds EXPCOUNT= 400 / Exposure meter counts AIRMASS = / Airmass at start of exposure CENTLAM = 6600 / Central wavelength for observation GRATING = 1800 / Grating description, lines/mm GTILT = 56.42 / Grating Tilt, degrees XGRATING= / Cross Grating, lines/mm XGTILT = / Cross Grating Tilt, degrees FOCUSTEL= 2677 / telescope focus FOCUSSP = 4.75 / spectrograph focus SLITWID = 306 / slit width in microns SLITLEN = / slit length in microns COMMENT COMMENT 01:00 UT CCD Temp -101.5 COMMENT Exp meter HV=1320V 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 = ' ' / Filter ID GAIN = 90 / cgain; =[(Gain_Factor-1)]x30 RELHUMID= 66.4 / % relative humidity TEMP-DOM= 20.8 / temperature: deg C, Dome floor air TEMP-CSE= 15.7 / temperature: deg C, pri cast TEMP-SEC= 13.6 / temperature: deg C, sec air TEMP-PRI= 15.5 / temperature: deg C, pri air TEMP-CON= 21.7 / temperature: deg C, CE200 box TEMP-HRK= 17.0 / temperature: deg C, heated Rack TEMP-CS1= 17.8 / temperature: deg C, Cass: CCD-Bridge TEMP-CS2= 19.5 / 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