75 datasets

APPLAUSE2022 · Astronomical catalogue

<p> Sources with calibrated magnitudes by pyplate. For calibration a crossmatch of UCAC4 and APASS was used. Catalog identifiers are given, together with match quality indicators, when a match in those cataclogs has been indentified. The magnitude calibration uses the values of the phot_* tables. Unique Identifier <code>source_id</code></p> <p><strong>Errata</strong></p> <p>18.09.2026</p> <p>For s

APPLAUSE2022 · Astronomical catalogue

<p>This table contains data on photometric calibration that was carried out on whole scans and in annular bins. Unique Identifier <code>calib_id</code> </p>

APPLAUSE2022 · Astronomical catalogue

<p>Information about logbooks from various archives or observation sites. There is not everytime a direct relation betweeen a plate and a logbook. A lot of the plates carry their additional metadata on it"s envelope. Unique Identifier <code>logbook_id</code></p>

APPLAUSE2022 · Astronomical catalogue

<p>Exposure time and observation time for plates. Observing time is given (if possible and available) in various formats. Unique Identifier <code>exposure_id</code></p>

APPLAUSE2022 · Astronomical catalogue

<p>The process table contains data on pyplate's processing of source extraction and astrometric calibration of plate scans. Unique Identifier <code>process_id</code> </p>

APPLAUSE2022 · Astronomical catalogue

<p>The plate_logpage table stores links between plates and logbook pages / plate envelopes. Each row in this table corresponds to a plate-page pair. A plate can have multiple related pages and a logbook page can have multiple related plates. </p>

APPLAUSE2022 · Astronomical catalogue

<p>This is the main table of extracted sources. A row in the source table corresponds to an extracted source from a plate scan. The table contains extracted (instrumental) values provided by the SExtractor software. Calibrated data, like sky coordinates, are stored in the source_calib table. Unique Identifier <code>source_id</code></p>

APPLAUSE2022 · Astronomical catalogue

<p>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 <code>logpage_id</code></p>

APPLAUSE2022 · Astronomical catalogue

<p> The table contains astrometric solutions of plate scans. See also table astrom_sub. Unique Identifier <code>solution_id</code></p>

APPLAUSE2022 · Astronomical catalogue

<p>An archive in APPLAUSE is a collection of plates, logbooks, other metadata on plate covers and notes, and extracted data that originate from a specific instrument. The archive table contains one row for each plate archive. </p><p>An archive is defined by Institution, Observatory location, Instrument. Unique Identifier <code>archive_id</code></p>

APPLAUSE2022 · Astronomical catalogue

<p>The scan table registers all ingested scans of the photographic plates, 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 <code>scan_id</code></p>

APPLAUSE2022 · Astronomical catalogue

<p>The table contains data on photographic plates or films as physical objects. An entry in this table does not guarantee that a scan of the plate is available. It lists all photographic plates and films, which were digitzed and ingested into the APPLAUSE archive. See also the scan table. Unique Identifier <code>plate_id</code></p> <p><b>Note:</b> The code in the column <code>method_code</code> fo

APPLAUSE2022 · Astronomical catalogue

<p>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 <code>preview_id</code></p>

APPLAUSE2022 · Astronomical catalogue

<p>This table contains data on sub-exposures. If an exposure of a photographic plate was interrupted, then it consists of two or more sub-exposures. Sub-exposures are related to exposures by <code>exposure_id</code>. </p>

APPLAUSE2022 · Astronomical catalogue

<p>The APPLAUSE Data Release 4 contains metadata about photographic plates and data extracted from digitized plates.</p><p>The source catalogue contains 4.486 billion extracted sources. The majority of extracted sources have their positions (right ascension and declination) calibrated with the help of Gaia EDR3 catalogue. Since EDR3 is the current astrometric catalog with the higest precision and

APPLAUSE2020 · Astronomical catalogue

Access to all files (fits level 0 to level 2, previews for level 1 and level 2)

APPLAUSE2020 · Astronomical catalogue

level 2 contains the limb-darkening corrected full-disk with enhanced contrast

APPLAUSE2020 · Astronomical catalogue

level 1 processing results in a resampled 16bit image, calibrated and with standard solar orientation

APPLAUSE2020 · Astronomical catalogue

The APPLAUSE DR3s contains metadata about the Solar photographic plates of the Einsteinturm and data extracted from the digitzed plates. The metadata characterizing observation and instrument are collected in table solarplate, the scan process in table scan. Tables level0, level1 and level2 contain the data resulting from the different processing applied. <ul> <li><p>level 0</p><p>is the result of

APPLAUSE2020 · Astronomical catalogue

<p>An archive in APPLAUSE is a collection of plates, logbooks, and extracted data that originate from a specific instrument. The archive table contains one row for each plate archive.</p><p>An archive is defined by Institution, Observatory location, Instrument. Unique Identifier <code>archive_id</code></p>

APPLAUSE2020 · Astronomical catalogue

The table contains data on photographic plates of the Einsteinturm as physical objects. For the release, we enhanced the table with observation data pertaining to the plate, since there is a 1:1 relation; one plate corresponds to an observation with a short exposure time. See also the scan table. Unique Identifier <code>plate_id</code>

APPLAUSE2020 · Astronomical catalogue

The scan table provides scans all information available of sanning process of the photographic plates, giving sizes, etc. A scan is a high-resolution image of a photographic plate or film. In the case of the Solar plates, we provide the already preprocessed images, details see level 1 description. Unique Identifier <code>scan_id</code>.

APPLAUSE2020 · Astronomical catalogue

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

APPLAUSE2018 · Astronomical catalogue

<p>This table contains photometric error estimates for individual magnitude ranges in annular bins. Unique Identifier <code>sub_id</code> </p>

APPLAUSE2018 · Astronomical catalogue

<p>The table contains data on photographic plates or films as physical objects. An entry in this table does not guarantee that a scan of the plate is available. It lists all photographic plates and films, which were digitzed and ingested into the APPLAUSE archive. See also the scan table. Unique Identifier <code>plate_id</code></p>