SIMPLE = T / file does conform to FITS standard BITPIX = 16 / number of bits per data pixel NAXIS = 2 / number of data axes NAXIS1 = 2144 / length of data axis 1 NAXIS2 = 4241 / length of data axis 2 EXTEND = T / FITS dataset may contain extensions COMMENT FITS (Flexible Image Transport System) format is defined in 'Astronomy COMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H BZERO = 32768 / offset data range to that of unsigned short BSCALE = 1 / default scaling factor DETID = '1 ' / Detector ID SPV = 'read ' / spv_com pattern name OBSERVER= 'Tanaka ' / Name(s) of observer(s) INSTRUME= 'HOWPol ' / Name of intrument EXP-ID = 'HP0000252' / Exposure sequential number FRAMEID = 'HP0000252_1' / Frame identification number DATA-TYP= 'OBJECT ' / OBJECT, BIAS, FLAT, DARK, COMPARISON, etc DATE-OBS= '2008-12-17' / Observation start date in UT (yyyy-mm-dd) UT = '19:56:58' / Typical UTC at exposure (hh:mm:ss) UT-STR = '19:56:58' / UTC at exposure start (hh:mm:ss) UT-END = '19:57:00' / UTC at exposure end (hh:mm:ss) JST = '04:56:58' / Typical JST at exposure (hh:mm:ss) MJD = 54817.831238 / Modified Julian Day at exposure center MJD-STR = 54817.831227 / Modified Julian Day at exposure start MJD-END = 54817.83125 / Modified Julian Day at exposure end OBJECT = 'saturn ' / Target name RA = '11:31:46.50' / RA of the target base position DEC = '+05:12:27.7' / DEC of target base position EQUINOX = 2000. / Equinox of RA and DEC EXPTIME = 1.014 / Exposure time [s] including shutter offset EXPTIME0= 1. / Exposure time [s] set by observer OBSERVAT= 'Higashi-Hiroshima' / Name of observatory LONGITUD= 1.3277670000E+02 / Longitude of observatory LATTITUD= 3.4404200000E+01 / Lattitude of observatory TELESCOP= 'Kanata_1.5-m' / Name of telescope TELD-STR= '1229543817 2008-12-18 04:56:57' / Time of Tel Log at exp. start TELD-END= '1229543817 2008-12-18 04:56:57' / Time of Tel Log at exp. end JSTT-STR= '04:56:55.50' / JST nearly at exposure start (Tel Log) JSTT-END= '04:56:55.50' / JST nearly at exposure end (Tel Log) MJDT-STR= 54818. / MJD nearly at exposure start (Tel Log) MJDT-END= 54818. / MJD nearly at exposure end (Tel Log) LST = '10:35:16.60' / Typical local sidereal time (Tel Log) LSTT-STR= '10:35:16.60' / LST nearly at exposure start (Tel Log) LSTT-END= '10:35:16.60' / LST at exposure end (Tel Log) RA-STR = '11:31:38.50' / RA of tel pos at exposure start (Tel Log) RA-END = '11:31:38.50' / RA of tel pos at exposure start (Tel Log) DEC-STR = '+05:12:27.4' / DEC of tel pos at exposure start (Tel Log) DEC-END = '+05:12:27.4' / DEC of tel pos at exposure end (Tel Log) ORA-STR = -120. / Offset of RA [arcsec] at exp start (Tel Log) ORA-END = -120. / Offset of RA [arcsec] at exp end (Tel Log) ODEC-STR= 0. / Offset of DEC [arcsec] at exp start (Tel Log) ODEC-END= 0. / Offset of DEC [arcsec] at exp end (Tel Log) OCRO-STR= -18. / Offset of Cs Rot [deg] at exp str (Tel Log) OCRO-END= -18. / Offset of Cs Rot [deg] at exp end (Tel Log) ONRO-STR= 40.9 / Offset of Ns1 Rot [deg] at exp str (Tel Log) ONRO-END= 40.9 / Offset of Ns1 Rot [deg] at exp end (Tel Log) AZI-STR = 27.3194 / Azimuth of tel pos [deg] at exp str (Tel Log) AZI-END = 27.3194 / Azimuth of tel pos [deg] at exp end (Tel Log) ALT-STR = 58.0167 / Altitude of tel pos [deg] at exp str (Tel Log) ALT-END = 58.0167 / Altitude of tel pos [deg] at exp end (Tel Log) ZD = 31.9833 / Typical Zenith distance [deg] (Tel Log) CROT-STR= -0.005 / PA of Cs rotator [deg] at exp start (Tel Log) CROT-END= -0.005 / PA of Cs rotator [deg] at exp end (Tel Log) NROT-STR= -39.4946 / PA of Ns1 rotator [deg] at exp start (Tel Log) NROT-END= -39.4946 / PA of Ns1 rotator [deg] at exp end (Tel Log) VAZI-STR= -26.1 / Az speed [arcsec/s] at exp start (Tel Log) VAZI-END= -26.1 / Az speed [arcsec/s] at exp end (Tel Log) VALT-STR= 5.7 / Alt speed [arcsec/s] at exp start (Tel Log) VALT-END= 5.7 / Alt speed [arcsec/s] at exp end (Tel Log) VCRO-STR= 0. / Cs Rot spd [arcsec/s] at exp start (Tel Log) VCRO-END= 0. / Cs Rot spd [arcsec/s] at exp end (Tel Log) VNRO-STR= 15. / Ns1 Rot speed [arcsec/s] at exp start (Tel Log) VNRO-END= 15. / Ns1 Rot spd [arcsec/s] at exp end (Tel Log) AIRMASS = 1.178941 / Typical airmass (Tel Log) AIRM-STR= 1.178941 / Airmass nearly at exposure start (Tel Log) AIRM-END= 1.178941 / Airmass nearly at exposure end (Tel Log) FOC-VAL = 3.916 / Focus value (Tel Log) FOC-POS = '1st_Nasmyth' / Beamed focus position (Tel Log) DOM-TMP = 6.9 / Temperature [degs C] inside of dome DOM-HUM = 77. / Relative humidity [%] inside of dome OUT-TMP = 6.2 / Temperature [degs C] outside of dome OUT-HUM = 81. / Relative humidity [%] outside of dome OUT-WINS= 2.7 / Outside wind speed [m/s] OUT-WIND= 'SSE ' / Outside wind direction OUT-BARO= 953.1 / Outside air pressure [hPa] DOM-TIME= '08/12/18 4:50' / Time when the inside meteogram measred OUT-TIME= '08/12/18 4:50' / Time when the outside meteogram measred WEATHER = 'Fine ' / Typical weather condition SEEING = 4. / Typical seeing size [arcsec FWHM] OBS-MODE= 'Imaging ' / Observation mode FOC-MASK= 'imag ' / Name of focul mask FILTER1 = 'NONE ' / Filter name on turret 1 FILTER2 = 'R ' / Filter name on turret 2 PRISMSTG= 'NONE ' / Prism/grism name on XY stage POLCUNIT= 'OUT ' / Position of Polariazation calibration unit HWPANGLE= 0. / Position angle of half-wave plate POSFMTUR= 0 / Position of mask turret [pulses] POSPUSTG= 0 / Position of polarization cal stage [pulses] POSHWSTG= 0 / Position of half-wave plate rotation stage [pul POSFTUR1= 0 / Position of filter turret 1 [pulses] POSFTUR2= 0 / Position of filter turret 1 [pulses] POSPSTGX= 0 / Position of prism stage in X [pulses] POSPSTGY= 0 / Position of prism stage in Y [pulses] POSCCSTG= 0 / Position of CCD stage [pulses] CCD-TEMP= 173.7 / Temperature of CCD [K] COLDTEMP= 119.44 / Temperature of cold head [K] VACGAUGE= 3.0500E-06 / Vacuum gauge inside of CCD dewar [Torr] CCDHEAT = 30.5 / Output voltage [%] of ccd heater CCDLOGT = '2008/12/18 03:51:12' / Time when the ccd information was written BIN-FCT1= 1 / Binning factor of axis 1 BIN-FCT2= 1 / Binning factor of axis 2 CCD-READ= 'NORMAL ' / CCD readout rate CCD-WIPE= 'NORMAL ' / CCD wiping rate CCD-GAIN= 2.19 / CCD gain [electron/ADU] PIXSCALE= 0.2943 / CCD pixel scale [arcsec/pixel] PORT1X1 = 1 / CCD port1 total area x_start PORT1X2 = 536 / CCD port1 total area x_end PORT2X1 = 537 / CCD port1 total area x_start PORT2X2 = 1072 / CCD port1 total area x_end PORT3X1 = 1073 / CCD port1 total area x_start PORT3X2 = 1608 / CCD port2 total area x_end PORT4X1 = 1609 / CCD port3 total area x_start PORT4X2 = 2144 / CCD port4 total area x_end EFPXMIN1= 9 / CCD port1 effective area x_start EFPXRNG1= 512 / CCD port1 effective area x range EFPXMIN2= 553 / CCD port2 effective area x_start EFPXRNG2= 512 / CCD port2 effective area x range EFPXMIN3= 1081 / CCD port3 effective area x_start EFPXRNG3= 512 / CCD port3 effective area x range EFPXMIN4= 1625 / CCD port4 effective area x_start EFPXRNG4= 512 / CCD port4 effective area x range EFPYMIN1= 1 / CCD port1 effective area y_start EFPYRNG1= 4241 / CCD port1 effective area y range PSRE13X1= 1 / CCD port1/3 prescan region x_start PSRE13X2= 8 / CCD port1/3 prescan region x2_end OSRE13X1= 521 / CCD port1/3 overscan region x_start OSRE13X2= 536 / CCD port1/3 overscan region x_end PSRE24X1= 529 / CCD port2/4 prescan region x_start PSRE24X2= 536 / CCD port2/4 prescan region x_end OSRE24X1= 1 / CCD port2/4 overscan region x_start OSRE24X2= 16 / CCD port2/4 overscan region x_end END