Archives of Photographic PLates for Astronomical USE

Logpage table (applause_dr2.logpage)

The table has 58115 rows, 14 columns.


The logpage table contains data on individual digitized logbook pages and also images of plate covers/envelopes. The plate-logpage associations are stored in the plate_logpage table. Unique Identifier logpage_id


If you have made substantial use of the data provided by APPLAUSE DR2, 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.


Name Type UCD Unit Description
logpage_id int

Log-page identification number

logbook_id int

Logbook identification number

archive_id int

Archive identification number

logpage_aid char

AID of the logpage

logpage_type short meta.code

Log-page type : 1 - plate directory (usually one row per plate), 2 - observation logbook (free text and notes), 3 - plate cover or envelope with handwritten or printed metadata, 4 - loose pages with notes or metadata

page_num short meta.number

Page number in the logbook

logpage_order short meta.cryptic

Log-page order associated with the specific plate

filename char meta.ref

Name of the processed file

file_format char meta.code.class

File format

image_width short phys.size

Width in pixels of the digitized log-page image

image_height short meta.number

Height in pixels of the digitized log-page image

image_datetime char meta.number

Time of creation of the digital image

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