astscript-zeropoint1
Estimate zero point of an image
Usage
astscript-zeropoint [OPTIONS]
image.fits
Overview
Calculate the Zeropoint of the image based on a reference images or catalog.
astscript-zeropoint options:
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Input(s):
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-h, --hdu=STR/INT -
HDU/Extension name or number of input.
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-S, --starcat=STR -
Catalog with positions for aperture photomery.
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--starcathdu=STR/INT -
HDU of table in '--starcat'.
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--starcatra=STR/INT -
Column in '--starcat' that contains RA.
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--starcatdec=STR/INT -
Column in '--starcat' that contains DEC.
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--mksrc=STR -
Makefile (for developers when debugging).
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Output:
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-o, --output -
Output file name.
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-t, --tmpdir -
Directory to keep temporary files.
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-k, --keeptmp -
Keep temporal/auxiliar files.
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-K, --keepzpap -
Keep each aperture's zp in a different HDU.
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General settings
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-a, --aperarcsec=FLT[,FLT] -
Aperture radius (in arc-seconds) for photometry.
-M, --magnituderange=FLT,FLT Range of the magnitude to be considered.
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Reference catalog mode
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-c, --refcat=STR -
Reference catalog file name.
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-C, --refcathdu=STR/INT -
Reference catalog HDU name of number.
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-r, --refcatra=STR -
Reference catalog Right Ascension (R.A.) column.
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-d, --refcatdec=STR -
Reference catalog Declination (Dec) column.
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-m, --refcatmag=STR -
Reference catalog Magnitude column.
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-s, --matchradius=FLT -
Radius (arcsec) to match stars and ref. catalog.
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Reference image mode
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-R, --refimgs=STR[,STR] -
Reference image name(s) with known zeropoint.
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-H, --refimgshdu=STR/INT -
Reference image HDU name(s) or number (s).
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-z, --refimgszp=FLT[,FLT] -
Zero point(s) of the reference image(s).
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Operating mode:
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-h, --help -
Print this help.
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--cite -
BibTeX citation for this program.
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-q, --quiet -
Don't print any extra information in stdout.
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-V, --version -
Print program version.
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-N, --numthreads=INT -
Number of threads; maximum if not given.
Mandatory or optional arguments to long options are also mandatory or optional for any corresponfing short options.
GNU Astronomy Utilities home page: http://www.gnu.org/software/gnuastro/