Archives of Photographic PLates for Astronomical USE

Processing table (applause_dr2.process)

Description

The process table contains data on pyplate's processing of source extraction and astrometric calibration of plate scans. Unique Identifier process_id

Attribution

If you have made substantial use of the data provided by APPLAUSE DR2, kindly include this acknowledgement

Funding for APPLAUSE has been provided by DFG (German Research Foundation, Grant), Leibniz Institute for Astrophysics Potsdam (AIP), Dr. Remeis Sternwarte Bamberg (University Nuernberg/Erlangen), the Hamburger Sternwarte (University of Hamburg) and Tartu Observatory.

Columns

Name Type UCD Unit Description
process_id int meta.id Process identification number
scan_id int meta.id Scan identification number
plate_id int meta.id Plate identification number
archive_id int meta.id Archive identification number
filename char meta.ref
meta.fits
Name of the processed file
hostname char meta.id Name of the computer that carried out the plate process
timestamp_start timestamp time.start
time.processing
Time[yyyy-mm-dd hh:mm:ss] Timestamp of the start of process
timestamp_end timestamp time.start
time.processing
Time[yyyy-mm-dd hh:mm:ss] Timestamp of the end of process
duration int time.duration s Duration of the process
sky float phot.count
em.opt
Sky background value
sky_sigma float stat.stdev
phot.count
em.opt
Standard deviation of the sky background value
use_psf short meta.code 1 if PSF fitting was used in the process, 0 otherwise
threshold float phot.count
em.opt
Threshold above which sources were detected
num_sources int meta.number Number of sources extracted from the image
solved short meta.code.status 1 if astrometric solution was found for the image, 0 otherwise
num_ucac4 int meta.number Number of matched UCAC4 catalogue objects
num_tycho2 int meta.number Number of matched Tycho-2 catalogue objects
num_apass int meta.number Number of matched APASS DR9 catalogue objects
color_term float stat.fit.param Color term of the plate, characterizing color response of the emulsion and filter used
bright_limit float phot.mag
em.opt
stat.min
mag Brightest source magnitude in the plate natural photometric system in the image (annular bin < 9)
faint_limit float phot.mag
em.opt
stat.max
mag Faintest source magnitude in the plate natural photometric system in the image (annular bin < 9)
mag_range float phot.mag
em.opt
arith.diff
mag Magnitude range between the brightest and faintest source magnitudes in the plate natural photometric system in the image (annular bin < 9)
calibrated short meta.code.status 1 if photometric calibration was completed, 0 otherwise
completed short meta.code.status 1 if process was completed, 0 otherwise
pyplate_version char meta.version
meta.software
Version number of the PyPlate software used for the process