Previews of photographic plates (applause_dr4.preview)
The table has 96065 rows, 13 columns.
Description
The preview table registers information on files you can download from the APPLAUSE site. (previews, etc. , giving sizes, etc. A scan is a high-resolution image of a photographic plate or film. There can be multiple scans of a single plate. Unique Identifier preview_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.
Columns
| Name | Type | UCD | Unit | Description |
|---|---|---|---|---|
| preview_id | int |
meta.id meta.main |
Preview identification number |
|
| plate_id | int | meta.id |
Plate identification number |
|
| archive_id | int | meta.id |
Archive identification number |
|
| preview_type | short | meta.code |
Preview type: 1 - photograph of the plate (before cleaning), 2 - scan of the plate (before cleaning), 3 - downscaled version of the full-resolution plate scan |
|
| filename | char |
meta.ref meta.image |
Name of the processed file |
|
| file_format | char |
meta.code.class meta.file |
File format |
|
| image_width | short | phys.size |
Width in pixels of the digitized log-page image |
|
| image_height | short |
meta.number phys.size |
Height in pixels of the digitized log-page image |
|
| image_datetime | char |
meta.number phys.size |
Time of creation of the digital image |
|
| file_datetime | char |
time.creation meta.file |
Time[yyyy-mm-dd hh:mm:ss] |
Timestamp of the last change of file |
| file_size | int |
meta.number meta.file |
byte |
File size |
| 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).