Image 4774583
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Background - FWHM - WCS - Filters - Zero point
Background - FWHM - WCS - Filters - Zero point
| Id: | 4774583 |
| Filename: | /mnt/data2/cta-s1/2021/20211211/skyflats/WF0/20211211234636-262-RA.fits |
| Dark: | calibrations/cta-s1/masterdarks/dark_cta-s1_WF0_6204_20200218_1x1_4096x4096_2.0.fits |
| Time: | 2021-12-11 23:46:36 UT |
| Night: | 20211211 |
| Site: | cta-s1 |
| CCD: | WF0 / 6204 |
| Type: | flat |
| Image size: | 4144x4127 (4096x4096 usable) |
| Binning: | 1x1 |
| Exposure: | 2.0 s |
| Filter: | V |
| Target: | 2 / flat target |
| RA: | 0.0 |
| Dec: | 0.0 |
| Alt / Az: | 62.1282952848774 239.010192690473 |
Full FITS header
| BITPIX: | 16 | unsigned short data |
| NAXIS: | 2 | number of axes |
| NAXIS1: | 4144 | length of data axis |
| NAXIS2: | 4127 | length of data axis |
| CTIME: | 1639266396 | exposure start (seconds since 1.1.1970) |
| USEC: | 262386 | exposure start micro seconds |
| JD: | 2459560.49050429 | Modified Julian Date |
| DATE-OBS: | '2021-12-11T23:46:36.262' | start of exposure |
| TARGET: | 2 | target id |
| TARSEL: | 2 | selector target id |
| TARTYPE: | 'f' | target type |
| OBSID: | 21962 | observation id |
| IMGID: | 21 | image id |
| PROC: | 0 | image processing status |
| CCD_NAME: | 'WF0' | camera name |
| MOONDIST: | 31.1190324633133 | angular distance to between observation and the |
| MOONRA: | 2.51787038266066 | lunar RA |
| MOONDEC: | -3.92226161741306 | lunar DEC |
| MOONPHA: | 43.8876662560689 | moon phase |
| MOONALT: | 68.8075957730982 | lunar altitude |
| MOONAZ: | 167.034609027008 | lunar azimuth |
| EXPOSURE: | 2.0 | exposure length in seconds |
| EXPTIME: | 2.0 | 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: | 'exe /etc/rts2/flat-WF0.py' | 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: | 'flat' | 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: | 0 | shutter state (0 - opened, 1 - closed) |
| CCD_AIR: | 26.28223 | detector air temperature |
| CCD_TEMP: | -19.95766 | CCD temperature |
| COOLING: | True | camera cooling start/stop |
| CCD_SET: | -20.0 | CCD set temperature |
| TEMPPWR: | 0.691 | [%] utilization of cooling power |
| VOLTAGE: | 11.71089 | [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: | 'flat target' | target object name |
| PI: | '' | project investigator of the target |
| PROGRAM: | '' | target program name |
| FOC_TYPE: | 'GCUSB-nStep' | focuser type |
| FOC_POS: | 605.0 | focuser position |
| FOC_TAR: | 605.833679199219 | focuser target position |
| FOC_DEF: | 608.833667335 | default target value |
| FOC_FILTEROFF: | -3.0 | offset related to actual filter |
| FOC_FOFF: | 0.0 | offset from focusing routine |
| FOC_TOFF: | 0.0 | temporary offset for focusing |
| WEATHER.next_good_weather: | 1639161995.0 | date and time of next good we |
| PARANAL.next_good_weather: | 1639205102.0 | date and time of next good we |
| PARANAL.update_time: | 1639266361.0 | 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: | 10.73 | temperature as set by external script |
| PARANAL.windspeed: | 7.05 | wind speed as set by external script |
| PARANAL.humidity: | 13.0 | humidity as set by external script |
| PARANAL.pressure: | 742.28 | 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: | 30.752992 | original position (epoch) RA |
| ORIDEC: | -8.840573 | 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: | 0.1333333333336 | object offset DEC |
| DRATERA: | 0.0 | [deg/hour] differential tracking rate RA |
| DRATEDEC: | 0.0 | [deg/hour] differential tracking rate DEC |
| TRACKING: | 'on' | 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: | 30.752992 | telescope FOV center position (J2000) - with of |
| OBJDEC: | -8.7072396666664 | telescope FOV center position (J2000) - with of |
| TAR_TELRA: | 30.752992 | target position (OBJ) in telescope coordinates |
| TAR_TELDEC: | -8.7072396666664 | target position (OBJ) in telescope coor |
| TARRA: | 31.0197454233588 | target position with computed corrections (prec |
| TARDEC: | -8.60746486102972 | 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: | 31.0198580498148 | mount position (from sensors, sky coordinates) |
| TELDEC: | -8.60745328378107 | mount position (from sensors, sky coordinates) |
| JD_HELIO: | 2459560.49383806 | heliocentric JD |
| U_TELRA: | 31.0198580498148 | mount position (from sensors, raw coordinates, |
| U_TELDEC: | -8.60745328378105 | mount position (from sensors, raw coordinates, |
| TEL_ALT: | 62.1282952848774 | horizontal telescope coordinates altitude |
| TEL_AZ: | 239.010192690473 | 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: | 1639216116.5658 | Time of last mount park |
| AIRMASS: | 1.13101550478314 | Airmass of target location |
| HA: | 336.088646607236 | Location hour angle |
| LST: | 7.10850465705067 | Local Sidereal Time |
| MOVE_NUM: | 4008 | 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: | 86593 | RA axis count |
| AXRARAW: | 41719 | raw RA axis count |
| AXDEC: | -122165 | 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: | 1639266379.57094 | time when mount informations were collected |
| SUN_ALT: | -5.63865589064316 | solar altitude |
| SUN_AZ: | 61.4368986807136 | solar azimuth |
| CAM_FILT: | 1 | filter used for image |
| AVERAGE: | 25227.9463567682 | average value of image |
| STDEV: | 8427.59486838743 | standard deviation value of image |
| CTYPE1T: | 'RA---TAN' | WCS transformation type |
| CTYPE2T: | 'DEC--TAN' | WCS transformation type |
| CRVAL1T: | 30.752992 | reference value on 1st axis |
| CRVAL2T: | -8.7072396666664 | 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: | 'V' | camera filter as string |
| DATE: | '2021-12-11T23:46:47.942' | creation date |