Astrometric solutions of plate scans (applause_dr4.solution)
The table has 117854 rows, 45 columns.
Description
The table contains astrometric solutions of plate scans. See also table astrom_sub. Unique Identifier solution_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 |
---|---|---|---|---|
solution_id | int |
meta.id meta.version |
Solution identifier |
|
process_id | int | meta.id |
Process identification number |
|
solutionset_id | int |
Identifier of the solution set where the solution belongs |
||
scan_id | int | meta.id |
Scan identification number |
|
plate_id | int | meta.id |
Plate identification number |
|
archive_id | int | meta.id |
Archive identification number |
|
solution_num | short | meta.number |
Number of the solution within the solution set |
|
ra_icrs | double |
Right ascension of the image center, corresponding to the current astrometric solution |
||
dec_icrs | double |
Declination of the image center, corresponding to the current astrometric solution |
||
fov1 | float |
pos.angDistance instr.fov |
deg |
Field of view of the image along axis 1 |
fov2 | float |
pos.angDistance instr.fov |
deg |
Field of view of the image along axis 2 |
pixel_scale | float | pos.wcs.scale | arcsec / px |
Mean pixel scale for the image |
source_density | float | meta.number |
Number of sources per square degree in the central 2/3 of the image |
|
cd1_1 | double | pos.wcs.cdmatrix |
Transformation matrix element |
|
cd1_2 | double | pos.wcs.cdmatrix |
Transformation matrix element |
|
cd2_1 | double | pos.wcs.cdmatrix |
Transformation matrix element |
|
cd2_2 | double | pos.wcs.cdmatrix |
Transformation matrix element |
|
rotation_angle | float | pos.posAng | deg |
Image rotation angle |
plate_mirrored | short | meta.code |
1 if image is mirrored, 0 otherwise |
|
ncp_on_plate | short | meta.code |
1 if North Celestial Pole is in the image, 0 otherwise |
|
scp_on_plate | short | meta.code |
1 if South Celestial Pole is in the image, 0 otherwise |
|
stc_box | char | meta.note |
Space-Time Coordinate (STC) representation of the image footprint in the sky. Numbers denote plate center coordinates (RA, Dec) and box width\/height in degrees. |
|
header_wcs | char |
FITS header containing the World Coordinate System (WCS), adopted for the current solution (SCAMP or Astrometry.net) |
||
stc_polygon | char | meta.note |
Space-Time Coordinate (STC) representation of the image footprint in the sky. Numbers denote RA\/Dec pairs (in degrees) of four plate corners. |
|
header_anet | char |
FITS header containing the World Coordinate System (WCS), provided by the Astrometry.net software as an initial astrometric solution |
||
header_scamp | char |
FITS header containing the World Coordinate System (WCS), provided by the SCAMP software as the refined astrometric solution |
||
timestamp_insert | char | time.creation | Time[yyyy-mm-dd hh:mm:ss] |
Timestamp of insert |
scamp_dscale | float | |||
timestamp_update | char | time.creation | Time[yyyy-mm-dd hh:mm:ss] |
Timestamp of last update |
scamp_dangle | float | |||
scamp_dx | float | |||
scamp_dy | float | |||
scamp_sigma_1 | float | |||
scamp_sigma_2 | float | |||
scamp_sigma_mean | float | |||
scamp_chi2 | float | |||
scamp_ndeg | int | |||
scamp_distort | int | |||
scamp_iteration | int | |||
x_centroid | float | |||
y_centroid | float | |||
rel_x_centroid | float | |||
rel_y_centroid | float | |||
num_xmatch | int | |||
num_gaia_edr3 | int |