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| Column Name | Data Type | Description |
|---|---|---|
| obs_id | VARCHAR(8) | Observation ID |
| dataproduct_type | VARCHAR(50) | Logical data product type |
| dataproduct_subtype | VARCHAR(20) | Logical data product subtype |
| calib_level | SMALLINT(4) | Calibration level (0, 1, 2, 3, 4) |
| target_name | VARCHAR(255) | Astronomical object observed if any |
| obs_title | VARCHAR(255) | Title of the data observation |
| obs_collection | VARCHAR(255) | Name of the data collection |
| obs_creator_name | VARCHAR(255) | Name of the creator of the observation |
| obs_publisher_did | VARCHAR(255) | Dataset identifier given by the publisher |
| access_url | VARCHAR(255) | URL used to access (download) dataset |
| access_format | VARCHAR(50) | File content format |
| access_estsize | BIGINT | Estimated size of dataset in kilobytes |
| s_ra | DOUBLE(8) | Central right ascension, ICRS |
| s_dec | DOUBLE(8) | Central declination, ICRS |
| s_fov | DOUBLE(4) | Diameter (bounds) of the covered region |
| s_region | REGION(50) | Sky region covered by the data product (expressed in ICRS frame) |
| s_resolution | DOUBLE(50) | Spatial resolution of data as FWHM |
| s_xel1 | INTEGER | Number of elements along the first spatial axis |
| s_xel2 | INTEGER | Number of elements along the second spatial axis |
| t_xel | INTEGER | Number of elements along the time axis |
| t_min | DOUBLE(8) | Start time in MJD |
| t_max | DOUBLE(8) | Stop time in MJD |
| t_exptime | DOUBLE(8) | Total exposure time |
| t_resolution | DOUBLE(8) | Temporal resolution FWHM |
| em_xel | INTEGER | Number of elements along the spectral axis |
| em_min | DOUBLE(8) | Start in spectral coordinates |
| em_max | DOUBLE(8) | Stop in spectral coordinates |
| em_res_power | DOUBLE(8) | Spectral resolving power |
| o_ucd | VARCHAR(50) | UCD of observable |
| pol_xel | INTEGER | Number of polarization samples |
| pol_states | VARCHAR(11) | List of polarization states or NULL if not applicable |
| facility_name | VARCHAR(50) | The observatory or facility used to collect the data |
| instrument_name | VARCHAR(50) | The name of the instrument used for the acquisition of the observation |
| obs_release_date | TIMESTAMP | Date the embargo lifted for this observation |
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