ACAM example science FITS header
r1730920[1][1074,2501][ushort]: Q14_023
No bad pixels, min=0., max=0. (old)
Line storage mode, physdim [1074,2501], length of user area 6723 s.u.
Created Mon 08:23:36 03-Jul-2017, Last modified Wed 17:37:46 21-Dec-2011
Pixel file "r1730920.fit" [ok]
RUN = 1730920 / Run number
IRAFNAME= 'r1730920 ' / IRAF should use this name
RUNSET = '1:1:1730920 ' / i:n:r => Run i of n runs starting at #r
SYSVER = 'S15-281 ' / Version of observing system
OBSERVAT= 'LAPALMA ' / Name of observatory (IRAF style)
OBSERVER= 'Benn ' / Name of principal investigator
PROPOSAL= 'GT ' / Code for grant of observing time
OBSTYPE = 'TARGET ' / Type of observation, e.g. TARGET
IMAGETYP= 'object ' / Type of observation, e.g. object
INSTRUME= 'ACAM ' / Name of instrument configuration
ACAMMODE= 'SPECTROSCOPY ' / ACAM mode : imaging or spectroscopy
ACAMWH1 = 'CLEAR ' / Name of filter deployed in wheel 1
ACAMWH2 = 'V400 ' / Name of filter deployed in wheel 2
ACAMFSLI= 'CLEAR ' / Name of filter deployed in slit mechanism
ACAMSLIT= 'SLIT ' / Element deployed in slit mechanism
ACAMMASK= '1.0 ' / Mask deployed in slit mechanism
ACAMDISP= 'V400 ' / Name of disperser deployed in wheel 2
ACAMSLI = '1.0 ' / CLR,PIN,Slit width(if MASK deployed) or 4 chars
ACAMFILT= 'CLEAR+V400 ' / Filters in wh1/wh2
ACAMTFOC= 'Enabled ' / Telescope autofocus enabled
ACAMFOFF= -0.160000 / Telescope offset applied
CAGAFILT= '1 ' / Cass. A&G box autoguider filter
CAGAFOCU= 3200 / Cass. autoguider focus (microns)
CAGARADI= 22999 / Cass. autoguider radial pos. (microns)
CAGATHET= 56001 / Cass. autoguider theta pos. (mdeg)
CAGCFILC= 'CF-CLEAR1 ' / Cass. A&G box comparison colour filter
CAGCFILN= 'CF-CLEAR2 ' / Cass. A&G box comparison ND filter
CAGLAMPS= 'Off ' / Cass. A&G box comparison lamps
CAGMFILC= 'Out ' / Cass. A&G box main colour filter
CAGMFILN= 'Out ' / Cass. A&G box main ND filter
CAGTVFOC= 9202 / Cass. A&G box TV focus (microns)
CAGTVSCA= 'SLIT ' / Cass. A&G box TV scale
CAGMIRRO= 'LARGEFEED ' / Cass. A&G box mirror configuration
LATITUDE= 28.760505 / Telescope latitude (degrees), +28:45:37.8
LONGITUD= -17.881605 / Telescope longitude (degrees), -17:52:53.8
HEIGHT = 2344 / [m] Height above sea level.
SLATEL = 'LPO4.2 ' / Telescope name known to SLALIB
TELESCOP= 'WHT ' / 4.2m William Herschel Telescope
TELSTAT = 'GUIDING ' / Telescope status at end of observation
RA = ' 1:50:17.714' / RA being tracked ( 27.573807 degrees
DEC = '+00:29:02.59' / DEC being tracked ( 0.484052 degrees
EQUINOX = 2000.00 / Equinox of coordinates
RADECSYS= 'FK5 ' / mean place new (after the 1976 IAU) system
UTOBS = ' 21:22:13.0' / UT at approx start of observation (from TCS)
XAPNOM = 0.0000000000 / nominal aperture in x (0.00 arcsec)
YAPNOM = 0.0000000000 / nominal aperture in y (0.00 arcsec)
XAPOFF = -0.0022233712 / total aperture offset in x (-8.00 arcsec)
YAPOFF = -0.0020010610 / total aperture offset in y (-7.20 arcsec)
RAOFF = 0.0000000000 / RA positional offset (arcsec, tangent plane)
DECOFF = 0.0000000000 / Dec positional offset (arcsec, tangent plane)
MJD-OBS = 55911.8904288 / Modified Julian Date at start of observation
JD = 2455912.3904288 / Julian Date at start of observation
STSTART = ' 1:51:22.3' / Local sidereal time at start of observation
ST = ' 1:51:22.3' / Local sidereal time at start of observation
AZSTART = 180.228789 / Azimuth at start of observation (degrees)
AZEND = 195.818518 / Azimuth at end of observation (degrees)
ZDSTART = 28.216206 / Zenith distance at start of observation (degs)
ZDEND = 29.142372 / Zenith distance at start of observation (degs)
FSTATION= 'CASSEGRAIN' / Focal station of observation
PLATESCA= 1.238735 / [d/m] Platescale ( 4.46arcsec/mm)
TELFOCUS= 0.098153 / Telescope focus (metres)
ACTELFOC= 0.098460 / Telescope focus encoder (metres)
ROTTRACK= T / Rotator tracking sky?
ROTSKYPA= 352.024808 / Sky position angle (degrees)
MNTPASTA= 38.010477 / Mount position angle at start (degrees)
MNTPAEND= 24.391932 / Mount position angle at end (degrees)
PARANSTA= 0.497801 / Parallactic angle at start of observation
PARANEND= 14.077916 / Parallactic angle at end of observation
VIGNETTE= F / Beam vignetted by dome/shutter/mirror cover?
DAZSTART= 179.396230 / Dome azimuth at start of observation
DAZEND = 194.864928 / Dome azimuth at end of observation
AIRMASS = 1.137918 / Effective mean airmass
AMSTART = 1.134526 / Airmass at start of observation
AMEND = 1.144577 / Airmass at end of observation
TEMPTUBE= 8.872503 / Truss Temperature (degrees Celsius)
FOCUSTMP= 0.424133 / Focus temperature correction (mm)
FOCUSALT= 0.042528 / Focus elevation correction (mm)
FOCUSFLT= -0.160000 / Focus correction for filter (mm)
AUTOX = 289.58 / a/g reference position x-coord (pixel)
AUTOY = 255.49 / a/g reference position y-coord (pixel)
AUTOMODE= 'AUTOGUIDE ' / State of guide loop at start of observation
CAT-NAME= 'Q14_023 ' / Target input-catalogue name
CAT-RA = ' 1:50:17.710' / Target Right Ascension
CAT-DEC = '+00:29:02.40' / Target Declination
CAT-EQUI= 'J2000.00' / Equinox of target coordinates
CAT-EPOC= 2000.00 / Target epoch of proper motions
PM-RA = 0.000000 / Target proper-motion RA (sec time/year)
PM-DEC = 0.000000 / Target proper-motion (sec arc/year)
PARALLAX= 0.000000 / Target Parallax (arcsec)
RADVEL = 0.000000 / Target radial velocity (km/s)
RATRACK = 0.000000 / Differential-tracking rate RA (arcsec/sec)
DECTRACK= 0.000000 / Differential-tracking rate Dec (arcsec/sec)
DETECTOR= 'AUXCAM ' / Formal name of camera
CCDSPEED= 'SLOW ' / Readout speed
CCDXBIN = 2 / Binning factor in x axis
CCDYBIN = 1 / Binning factor in y axis
CCDSUM = '2 1 ' / Binning factors (IRAF style)
CCDTEMP = 166.85500000 / [K] Cryostat temperature
CCDTEMP1= 0.00000000 / [K] Monitor pt 1 temperature
CCDTEMP2= 0.00000000 / [K] Monitor pt 2 temperature
NWINDOWS= 1 / Number of readout windows
WINSEC1 = '[1:2148,800:3300], enabled ' / Readout window 1 (d-space)
WINSEC2 = '[0:0,0:0], disabled ' / Readout window 2 (d-space)
WINSEC3 = '[0:0,0:0], disabled ' / Readout window 3 (d-space)
WINSEC4 = '[0:0,0:0], disabled ' / Readout window 4 (d-space)
READMODE= 'simple ' / Readout mode
STORMODE= 'normal ' / Store mode
NUMREADS= 1 / Number of reads
COAVERAG= 1 / Number of cycles coaveraged
UT = '21:22:13.281 ' / UT at start of integration
UT-MID = '21:37:13.286 ' / UT at the middle of the exposure
REQTIME = 1800.00000000 / [s] Requested length of observation
DISPAXIS= 2 / Dispersion_axis
PCOUNT = 0 / Number of pixels following data
GCOUNT = 1 / Number of groups
BZERO = 32768.00000000 / Pixel-data have 32K offset.
BSCALE = 1.00000000 / Pixel-data are not scaled.
INHERIT = T / Extension inherits primary HDU.
EXTNAME = 'extension1 ' / Extension name
EXTVER = 1 / Extension version number
IMAGEID = 1 / Image identification
DASCHAN = 1 / Number of readout channel
WINNO = 1 / Number of readout window
CHIPNAME= 'AUXCAM ' / Name of detector chip.
CCDNAME = 'AUXCAM ' / Name of detector chip.
CCDCHIP = 'AUXCAM ' / Name of detector chip.
CCDTYPE = 'EEV4482 ' / Type of detector chip.
CCDXPIXE= 0.00000000 / [m] Size of pixels in x.
CCDYPIXE= 0.00000000 / [m] Size of pixels in y.
AMPNAME = 'LH ' / Name of output amplifier.
GAIN = 1.16000000 / Nominal Photo-electrons per ADU.
READNOIS= 3.00000000 / Nominal Readout noise in electrons.
SATURATE= 65535.00000000 / Highest value that is unsaturated
MAXBIAS = 65535.00000000 / Maximum expected bias level
RTDATSEC= '[2:2148,800:3300] ' / Location in d-space for RTD.
DATE-OBS= '2011-12-16 ' / Date at start of integration
UTSTART = '21:22:13.281 ' / UT at start of integration
EXPOSED = 1800.01000000 / [s] Exposure time
EXPTIME = 1800.01000000 / [s] Exposure time
ELAPSED = 1800.15246283 / [s] Integration time
DARKTIME= 1800.15246283 / [s] Integration time
CRVAL1 = 2.00000000 / Reference value on 1st axis in primary WCS
CRVAL2 = 800.00000000 / Reference value on 2nd axis in primary WCS
CRPIX1 = 1.00000000 / Reference pixel on 1st axis in primary WCS
CRPIX2 = 1.00000000 / Reference pixel on 2nd axis in primary WCS
CUNIT1 = 'pixel ' / Units of 1st axis in primary WCS
CUNIT2 = 'pixel ' / Units of 2nd axis in primary WCS
CD1_1 = 2.00000000 / Transformation matrix for primary WCS
CD1_2 = 0.00000000 / Transformation matrix for primary WCS
CD2_1 = 0.00000000 / Transformation matrix for primary WCS
CD2_2 = 1.00000000 / Transformation matrix for primary WCS
PROJP1 = 1.00000000 / Projection coefficient for primary WCS
PROJP3 = 0.00000000 / Projection coefficient for primary WCS
PV1_1 = 1.00000000 / Projection coefficient for primary WCS
PV1_2 = 0.00000000 / Projection coefficient for primary WCS
PV2_1 = 1.00000000 / Projection coefficient for primary WCS
PV2_2 = 1.00000000 / Projection coefficient for primary WCS
