Archives of Photographic PLates for Astronomical USE

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