applause_dr4.solution_set
The table has 101332 rows, 18 columns.
Description
This table provides summary data on all astrometric solutions found during processing of the plate image. Unique identifier solutionset_id.
Attribution
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.
Columns
Name | Type | UCD | Unit | Description |
---|---|---|---|---|
solutionset_id | int |
Solution set identification number |
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process_id | int | meta.id |
Process identification number |
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scan_id | int | meta.id |
Scan identification number |
|
plate_id | int | meta.id |
Plate identification number |
|
archive_id | int | meta.id |
Archive identification number |
|
num_solutions | short |
Number of unique astrometric solutions found |
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num_duplicate_solutions | short |
Number of duplicate astrometric solutions found |
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pattern_ratio | float | |||
mean_pixel_scale | float | arcsec / px |
Mean pixel scale of all astrometric solutions in the set |
|
min_pixel_scale | float | arcsec / px |
Minimum pixel scale of all astrometric solutions in the set |
|
max_pixel_scale | float | arcsec / px |
Maximum pixel scale of all astrometric solutions in the set |
|
mean_fov1 | float |
Mean field of view (FOV) along image axis 1 among all astrometric solutions in the set |
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mean_fov2 | float |
Mean field of view (FOV) along image axis 2 among all astrometric solutions in the set |
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source_density | float | meta.number |
Number of sources per square degree in the central 2/3 of the image |
|
max_separation | float | deg |
Maximum separation between individual astrometric solutions, measured as angular distance between image centers in the sky |
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header_wcs | char |
FITS header containing World Coordinate Systems (WCS) for all astrometric solutions in the solution set |
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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 |