The table has 3613 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 |
You can access this table using the query interface and download the results afterwards.
You can use the following DOI to cite this table in a publication:
This dataset is published under the CC0 1.0 Universal (CC0 1.0).