Image 4831821

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Background - FWHM - WCS - Filters - Zero point
Id:4831821
Filename: /mnt/data2/cta-s1/2022/20220116/darks/WF0/20220117092355-302-RA.fits
Time:2022-01-17 09:23:55 UT
Night:20220116
Site:cta-s1
CCD:WF0 / 6204
Type:dark
Image size: 4144x4127 (4096x4096 usable)
Binning: 1x1
Exposure:1.0 s
Filter:B
Target:1 / Dark frames
RA:0.0
Dec:0.0
Alt / Az:60.3461443661466 120.535449786305
BITPIX: 16 unsigned short data
NAXIS: 2 number of axes
NAXIS1: 4144 length of data axis
NAXIS2: 4127 length of data axis
CTIME: 1642411435 exposure start (seconds since 1.1.1970)
USEC: 302650 exposure start micro seconds
JD: 2459596.89108969 Modified Julian Date
DATE-OBS: '2022-01-17T09:23:55.302' start of exposure
TARGET: 1 target id
TARSEL: 1 selector target id
TARTYPE: 'd' target type
OBSID: 23219 observation id
IMGID: 2 image id
PROC: 0 image processing status
CCD_NAME: 'WF0' camera name
MOONDIST: 58.3229562151757 angular distance to between observation and the
MOONRA: 112.543523290036 lunar RA
MOONDEC: 25.7762498757529 lunar DEC
MOONPHA: 4.29256407185799 moon phase
MOONALT: 1.87597667836504 lunar altitude
MOONAZ: 119.582201203648 lunar azimuth
EXPOSURE: 1.0 exposure length in seconds
EXPTIME: 1.0 exposure length in seconds
INSTRUME: 'CTA-S1 FRAM' name of the data acqusition instrument
TELESCOP: 'CTA-S1' name of the data acqusition telescope
ORIGIN: 'FZU' organisation responsible for data
FOC_NAME: 'FWF' name of focuser
SCRIPREP: 0 script loop count
SCRIPT: 'filter=B D 1 filter=B D 2 filter=B D 3 filter=B D 5 filter=B D 10 filter=B D 20 filter=B D 30 filter=B D 60 filter=B D 120 filter=B D 180' script used to take this images
SCR_COMM: '' comment recorded for this script
COMM_NUM: 0 comment order within current script
CCD_TYPE: 'G4-16000' camera type
CCD_SER: 'G4KF16000-0606' camera serial number
CCD_CHIP: 'KAF-16803' camera chip type
IMAGETYP: 'dark' IRAF based image type
SLITPOSX: -1.0 [pixels] slit position along dithering axis
SLITPOSY: -1.0 [pixels] slit position along dithering axis
BINNING: '1x1' [pixelX x pixelY] chip binning
BINX: 1 [pixels] binning along X axis
BINY: 1 [pixels] binning along X axis
SHUTTER: 1 shutter state (0 - opened, 1 - closed)
CCD_AIR: 21.78656 detector air temperature
CCD_TEMP: -19.85219 CCD temperature
COOLING: True camera cooling start/stop
CCD_SET: -20.0 CCD set temperature
TEMPPWR: 0.664 [%] utilization of cooling power
VOLTAGE: 11.6069 [V] current voltage of the camera power supply
GAIN: 1.6 [e-ADU] gain
product_id: 6204 camera product identification
PREFLASH: 2.0 Duration of CCD pre-exposure preflash
NCLEARS: 4 Number of CCD pre-exposure clears after preflas
RDOUTM: 'Low Noise' camera mode
OBJECT: 'Dark frames' target object name
PI: '' project investigator of the target
PROGRAM: '' target program name
WEATHER.next_good_weather: 1642110789.0 date and time of next good we
PARANAL.next_good_weather: 1639419422.0 date and time of next good we
PARANAL.update_time: 1642411382.0 time of last update of weather stat
PARANAL.good_weather: True weather quality as set by external script
PARANAL.rain: False rain condition as set by external script
PARANAL.temperature: 11.24 temperature as set by external script
PARANAL.windspeed: 8.0 wind speed as set by external script
PARANAL.humidity: 43.0 humidity as set by external script
PARANAL.pressure: 743.18 pressure as set by external script
MNT_NAME: 'T0' name of mount
LATITUDE: -24.63368 observatory latitude
LONGITUD: -70.3769 observatory longitude
ALTITUDE: 2400.0 observatory altitude
AMBTEMP: 10.0 [C] observatory ambient temperature
AMBHUMIDITY: 70.0 [%] observatory relative humidity
WAVELENGTH: 500.0 [nm] incoming radiation wavelength
DUT1: 0.0 [s] UT1 - UTC
ORIRA: 161.446488704387 original position (epoch) RA
ORIDEC: -7.56575781761346 original position (epoch) DEC
OEPOCH: 2000.0 epoch (2000,..)
PMRA: 0.0 proper motion/year RA
PMDEC: 0.0 proper motion/year DEC
OFFSRA: 0.0 object offset RA
OFFSDEC: 0.0 object offset DEC
DRATERA: 0.0 [deg/hour] differential tracking rate RA
DRATEDEC: 0.0 [deg/hour] differential tracking rate DEC
TRACKING: 'sidereal' telescope tracking
SKYSPDRA: -9.1191291391491e-36 [deg/hour] tracking speeds vector (in RA/DEC) R
SKYSPDDEC: -9.1191291391491e-36 [deg/hour] tracking speeds vector (i
OBJRA: 161.446488704387 telescope FOV center position (J2000) - with of
OBJDEC: -7.56575781761346 telescope FOV center position (J2000) - with of
TAR_TELRA: 341.446488704387 target position (OBJ) in telescope coord
TAR_TELDEC: -172.434242182387 target position (OBJ) in telescope coo
TARRA: 161.729623421907 target position with computed corrections (prec
TARDEC: -7.68508824671799 target position with computed corrections (prec
CORR_RA: 0.0 correction from closed loop RA
CORR_DEC: 0.0 correction from closed loop DEC
MO_RTS2RA: 0.0 [deg] RTS2 model offsets RA
MO_RTS2DEC: 0.0 [deg] RTS2 model offsets DEC
TELRA: 161.729666459388 mount position (from sensors, sky coordinates)
TELDEC: -7.68514758041192 mount position (from sensors, sky coordinates)
JD_HELIO: 2459596.89521089 heliocentric JD
U_TELRA: 341.729666459388 mount position (from sensors, raw coordinates,
U_TELDEC: -172.314852419588 mount position (from sensors, raw coordinates,
TEL_ALT: 60.3461443661466 horizontal telescope coordinates altitude
TEL_AZ: 120.535449786305 horizontal telescope coordinates azimuth
mpec_difRA: 0.0 [degrees/hour] calculated MPEC differential tra
mpec_difDEC: 0.0 [degrees/hour] calculated MPEC differential tra
PARKTIME: 1642327770.51614 Time of last mount park
AIRMASS: 1.1504597021426 Airmass of target location
HA: 25.4682088529716 Location hour angle
LST: 187.19787531236 Local Sidereal Time
MOVE_NUM: 11419 number of movements performed by the driver; us
CORR_IMG: 0 ID of last image used for correction
CORR_OBS: 0 ID of last observation used for correction
MNT_ROTA: 0.0 mount rotang
MNT_FLIP: 0 telescope flip
AXRA: -1771120 RA axis count
AXRARAW: -3832439 raw RA axis count
AXDEC: -2445653 DEC axis count
HR_RA: 19141006 [???] RA axis tracking rate
BR_RA: 19141006 [???] RA axis base rate
BR_DEC: 0 [???] DEC axis base rate
MNT_INFO: 1642411390.14927 time when mount informations were collected
SUN_ALT: -9.48699199521255 solar altitude
SUN_AZ: 298.176283758318 solar azimuth
FOC_TYPE: 'GCUSB-nStep' focuser type
FOC_POS: 915.0 focuser position
FOC_TAR: 914.144287109375 focuser target position
FOC_DEF: 934.144288577 default target value
FOC_FILTEROFF: -20.0 offset related to actual filter
FOC_FOFF: 0.0 offset from focusing routine
FOC_TOFF: 0.0 temporary offset for focusing
CAM_FILT: 0 filter used for image
AVERAGE: 550.738999015804 average value of image
STDEV: 16.8227636088112 standard deviation value of image
CTYPE1T: 'RA---TAN' WCS transformation type
CTYPE2T: 'DEC--TAN' WCS transformation type
CRVAL1T: 161.446488704387 reference value on 1st axis
CRVAL2T: -7.56575781761346 reference value on 2nd axis
CRPIX1T: 2074.0 reference pixel of the 1st axis
CRPIX2T: 2062.0 reference pixel of the 2nd axis
CDELT1T: 0.0039 delta along 1st axis
CDELT2T: -0.0039 delta along 2nd axis
CROTA2T: 0.0 rotational angle
DATASEC: '[31:4126,12:4107]' good data section
FILTER: 'B' camera filter as string
DATE: '2022-01-17T09:24:06.190' creation date