Archives of Photographic PLates for Astronomical USE

Photometric calibration curves (applause_dr4.phot_calib_curve)

The table has 6523891 rows, 12 columns.


Derived photometric calibration curves that were used for transforming extracted source magnitudes to the plate natural photometric system. Unique identifier calibcurve_id.


If you have made substantial use of the data provided by APPLAUSE DR4, 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 Nürnberg/Erlangen), the Hamburger Sternwarte (University of Hamburg) and Tartu Observatory. Plate material also has been made available from Thüringer Landessternwarte Tautenburg, and from the archives of the Vatican Observatory.


Name Type UCD Unit Description
calibcurve_id int

Unique identifier in the table

calib_id int

Calibration identification number

process_id int

Process identification number

scan_id int

Scan identification number

plate_id int

Plate identification number

archive_id int

Archive identification number

solution_num short meta.number

Solution number in the solution set

iteration short meta.record

Iteration number

plate_mag float

Plate magnitude provided by the Source Extractor software

natmag float phot.mag

Corresponding magnitude in the plate natural photometric system

timestamp_insert char time.creation Time[yyyy-mm-dd hh:mm:ss]

Timestamp of insert

timestamp_update char time.creation Time[yyyy-mm-dd hh:mm:ss]

Timestamp of update