Archives of Photographic PLates for Astronomical USE

level zero table (applause_dr3s.level0)

The table has 3620 rows, 29 columns.

Description

level 0 is the result of converting the scan (tiff format, 8bit ) into a photographic positive image

Attribution

If you have made substantial use of the data provided by APPLAUSE DR3, 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 Nuernberg/Erlangen), the Hamburger Sternwarte (University of Hamburg) and Tartu Observatory. Plate material also has been made available from Thüringer Landessternwarte Tautenburg.

The solar plates from the Einsteinturm in Potsdam are a contribution of the AIP's Solar Physics Section with support by the European Commission's Horizon 2020 Program under grant agreements 824064 (ESCAPE – European Science Cluster of Astronomy & Particle physics ESFRI research infrastructures) and 824135 (SOLARNET – Integrating High Resolution Solar Physics)

Columns

Name Type UCD Unit Description
plate_id int meta.id Plate identification number
archive_id int meta.id Archive identification number
scan_id int meta.id Scan identification number
bitpix short meta.unit Number of bits per data pixel
naxis1 short meta.number Length of data axis 1 (number of pixels in a row)
naxis2 short meta.number Length of data axis 2 (number of pixels in a row)
pixel_size1 float phys.size um Pixel size along axis 1
pixel_size2 float phys.size um Pixel size along axis 2
flag short meta.code [1] image + [2] time + [4] azimuth exists
xscale float meta.unit mm/pixel image scale (X)
yscale float meta.unit mm/pixel image scale (Y)
ctype1 char meta.id
meta.fits
X direction
cunit1 char meta.unit
meta.fits
X direction
crpix1 int meta.unit
meta.fits
pixel reference point x
cdelt1 float meta.unit
meta.fits
mm increment x
ctype2 char
cunit2 char meta.unit
meta.fits
mm increment y
crpix2 int meta.unit
meta.fits
pixel reference point y
cdelt2 float meta.unit
meta.fits
mm increment y
data_vals int
data_min int
data_max int
data_median float meta.number
stat.median
median value
data_mean float meta.number
stat.mean
mean value
data_rms float meta.number
stat.error
rms deviation
data_skew float meta.number
stat.value
skewness from the mean value
data_kurtosis float meta.number
stat.value
kurtosis
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 last update