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