Image 4831844
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Background - FWHM - WCS - Filters - Zero point
Background - FWHM - WCS - Filters - Zero point
| Id: | 4831844 |
| Filename: | /mnt/data2/cta-s1/2022/20220116/darks/WF0/20220117093417-846-RA.fits |
| Time: | 2022-01-17 09:34:17 UT |
| Night: | 20220116 |
| Site: | cta-s1 |
| CCD: | WF0 / 6204 |
| Type: | dark |
| Image size: | 4144x4127 (4096x4096 usable) |
| Binning: | 1x1 |
| Exposure: | 2.0 s |
| Filter: | B |
| Target: | 1 / Dark frames |
| RA: | 0.0 |
| Dec: | 0.0 |
| Alt / Az: | 58.1510310228728 117.345172042175 |
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: | 1642412057 | exposure start (seconds since 1.1.1970) |
| USEC: | 846991 | exposure start micro seconds |
| JD: | 2459596.89873295 | Modified Julian Date |
| DATE-OBS: | '2022-01-17T09:34:17.846' | start of exposure |
| TARGET: | 1 | target id |
| TARSEL: | 1 | selector target id |
| TARTYPE: | 'd' | target type |
| OBSID: | 23219 | observation id |
| IMGID: | 13 | image id |
| PROC: | 0 | image processing status |
| CCD_NAME: | 'WF0' | camera name |
| MOONDIST: | 58.2427106554476 | angular distance to between observation and the |
| MOONRA: | 112.639629414491 | lunar RA |
| MOONDEC: | 25.7678116129723 | lunar DEC |
| MOONPHA: | 4.25593799243007 | moon phase |
| MOONALT: | -0.108822723086834 | lunar altitude |
| MOONAZ: | 118.514433226277 | 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: | 1 | 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: | 20.79558 | detector air temperature |
| CCD_TEMP: | -19.96425 | CCD temperature |
| COOLING: | True | camera cooling start/stop |
| CCD_SET: | -20.0 | CCD set temperature |
| TEMPPWR: | 0.668 | [%] utilization of cooling power |
| VOLTAGE: | 11.61409 | [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: | 1642412042.0 | 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: | 11.94 | temperature as set by external script |
| PARANAL.windspeed: | 5.63 | wind speed as set by external script |
| PARANAL.humidity: | 47.0 | humidity as set by external script |
| PARANAL.pressure: | 743.23 | 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: | '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: | 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: | 161.729786536941 | mount position (from sensors, sky coordinates) |
| TELDEC: | -7.68514758041192 | mount position (from sensors, sky coordinates) |
| JD_HELIO: | 2459596.90241628 | heliocentric JD |
| U_TELRA: | 341.729786536942 | mount position (from sensors, raw coordinates, |
| U_TELDEC: | -172.314852419588 | mount position (from sensors, raw coordinates, |
| TEL_ALT: | 58.1510310228728 | horizontal telescope coordinates altitude |
| TEL_AZ: | 117.345172042175 | 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: | 1.17694109238164 | Airmass of target location |
| HA: | 28.2271966698052 | Location hour angle |
| LST: | 189.956983206747 | 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: | 180.0 | mount rotang |
| MNT_FLIP: | 1 | telescope flip |
| AXRA: | -1731881 | 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: | 1642412050.52707 | time when mount informations were collected |
| SUN_ALT: | -7.39957064924727 | solar altitude |
| SUN_AZ: | 296.933153055356 | 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: | 554.196921312517 | average value of image |
| STDEV: | 18.0197683249811 | 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: | 180.0 | rotational angle |
| DATASEC: | '[31:4126,12:4107]' | good data section |
| FILTER: | 'B' | camera filter as string |
| DATE: | '2022-01-17T09:34:29.688' | creation date |