Документ взят из кэша поисковой машины. Адрес оригинального документа : http://www.astro.louisville.edu/shared_skies/archive/select/comets/ison/20120929/ison.txt Дата изменения: Tue Oct 2 11:21:08 2012 Дата индексирования: Sun Feb 3 14:35:58 2013 Кодировка: Поисковые слова: arp 220

From XEphem running the Soft03Cmt database of 20121002, for the date and time of
the observation:

RA: 08:16:04.25
Dec: 27:48:13

2012-09-30 UT
09:45 UTC


Measured:

RA: 08:16:04.4
Dec: 27:48:12.9



Header listing for HDU #1:
SIMPLE = T / This is a FITS file
BITPIX = -32 /
NAXIS = 2 /
NAXIS1 = 4341 / NUMBER OF ELEMENTS ALONG THIS AXIS
NAXIS2 = 4355 / NUMBER OF ELEMENTS ALONG THIS AXIS
EXTEND = T / This file may contain FITS extensions
EQUINOX = 2000.00000000 / Mean equinox
RADECSYS= 'ICRS ' / Astrometric system
CTYPE1 = 'RA---TAN' / WCS projection type for this axis
CUNIT1 = 'deg ' / Axis unit
CRVAL1 = 1.240236398594E+02 / World coordinate on this axis
CRPIX1 = 2.171000000000E+03 / Reference pixel on this axis
CD1_1 = -1.490238500992E-04 / Linear projection matrix
CD1_2 = 0.000000000000E+00 / Linear projection matrix
CTYPE2 = 'DEC--TAN' / WCS projection type for this axis
CUNIT2 = 'deg ' / Axis unit
CRVAL2 = 2.775143762442E+01 / World coordinate on this axis
CRPIX2 = 2.178000000000E+03 / Reference pixel on this axis
CD2_1 = 0.000000000000E+00 / Linear projection matrix
CD2_2 = 1.490238500992E-04 / Linear projection matrix
EXPTIME = 1.300000000000E+03 / Maximum equivalent exposure time (s)
GAIN = 0.000000000000E+00 / Maximum equivalent gain (e-/ADU)
SATURATE= 4.736993370384E+04 / Saturation Level (ADU)
COMMENT
SOFTNAME= 'SWarp ' / The software that processed those data
SOFTVERS= '2.19.1 ' / Version of the software
SOFTDATE= '2010-09-03' / Release date of the software
SOFTAUTH= 'Emmanuel BERTIN ' / Maintainer of the software
SOFTINST= 'IAP http://www.iap.fr' / Institute
COMMENT
AUTHOR = / Who ran the software
ORIGIN = 'aurora ' / Where it was done
DATE = '2012-10-02T06:43:05' / When it was started (GMT)
COMBINET= 'MEDIAN ' / COMBINE_TYPE config parameter for SWarp
COMMENT
COMMENT Propagated FITS keywords
COMMENT
COMMENT Axis-dependent config parameters
RESAMPT1= 'LANCZOS3' / RESAMPLING_TYPE config parameter
CENTERT1= 'ALL ' / CENTER_TYPE config parameter
PSCALET1= 'MEDIAN ' / PIXELSCALE_TYPE config parameter
RESAMPT2= 'LANCZOS3' / RESAMPLING_TYPE config parameter
CENTERT2= 'ALL ' / CENTER_TYPE config parameter
PSCALET2= 'MEDIAN ' / PIXELSCALE_TYPE config parameter
END



Header listing for HDU #1:
SIMPLE = T / file does conform to FITS standard
BITPIX = -32 / 32 bit floating point data pixel
NAXIS = 2 / number of data axes
NAXIS1 = 4096 / length of data axis 1
NAXIS2 = 4096 / 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 = 0 / offset data range
BSCALE = 1 / scaling factor
EXPTIME = 100. / exposure time (seconds)
DATE-OBS= '2012-09-30T09:41:11.678' / date of observation (UT)
IMAGETYP= 'Light Frame' / image type
TARGET = 'Comet ISON' / target
INSTRUME= 'grizb ' / instrument
CCD-TEMP= -10.06 / temperature (C)
FILTER = ' (5) bb (500-1100)' / filter
TELESCOP= 'CDK20N ' / telescope
DATE = '2012-10-02T06:11:27' / file creation date (YYYY-MM-DDThh:mm:ss UT)
HISTORY Dark subtracted
HISTORY Image file ison_00168.fits
HISTORY Dark file dark_100s.fits
HISTORY Flat corrected
HISTORY Image file ison_00168_d.fits
HISTORY Flat file flat_bb.fits
END