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Name, v2 | Must be filled? | Name, v1 | SQL type | Unit / Format | Description | UCD Please comment! | UCD in Obscore 1.1 (30/3/2016 version) | Comments | ||||||
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EPNCore mandatory parameters |
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| Current value | — ? : closest sense _ : N/A | ||||||||
granule_uid | Y | index | Text |
| Internal table row index | meta.id meta.id;meta.dataset | meta.id | |||||||
granule_gid | Y | Text |
| Common to granules of same type (e.g. same map projection, or geometry data products). Can be alphanum. | meta.id | meta.id | ||||||||
obs_id | Y | Text |
| Associates granules derived from the same data (e.g. various representations / processing levels). Can be alphanum., may be the ID of original observation. | meta.id meta.id;obs | meta.id | ||||||||
resource_type | Text |
| Can be dataset or granule | (meta.code.class) | _ | |||||||||
dataset_id | Text |
| Dataset identification & granule reference | (meta.id) | _ | |||||||||
dataproduct_type | Y | dataproduct_type | Text |
| Organization of the data product, from enumerated list | meta.code.class | meta.id | |||||||
target_name | Y | target_name | Text |
| Standard IAU name of target (from a list related to target class), case sensitive | meta.id;src | meta.id;src | |||||||
target_class | Y | target_class | Text |
| Type of target, from enumerated list | meta.code.class;src src.class | src.class | |||||||
time_min | time_min | Double | d (date as JD) | Acquisition start time (in JD). UTC measured at time_origin location (default is observer's frame) | time.start time.start;obs | time.start;obs.exposure | ||||||||
time_max | time_max | Double | d (date as JD) | Acquisition stop time (in JD). UTC measured at time_origin location (default is observer's frame) | time.end time.end;obs | time.end;obs.exposure | ||||||||
time_sampling_step_min | time_sampling_step_min | Double | s | Min time sampling step | time.interval;stat.min | time.resolution — ? | ||||||||
time_sampling_step_max | time_sampling_step_max | Double | s | Max time sampling step | time.interval;stat.max | |||||||||
time_exp_min | time_exp_min | Double | s | Min integration time | time.duration;obs.exposure;stat.min | time.duration;obs.exposure | ||||||||
time_exp_max | time_exp_max | Double | s | Max integration time | time.duration;obs.exposure;stat.max | |||||||||
spectral_range_min | spectral_range_min | Double | Hz | Min spectral range (frequency) | em.freq;stat.min | em.wl;stat.min (always as wl) | Always as freq | |||||||
spectral_range_max | spectral_range_max | Double | Hz | Max spectral range (frequency) | em.freq;stat.max | em.wl;stat.max | ||||||||
spectral_sampling_step_min | spectral_sampling_step_min | Double | Hz | Min spectral sampling step | em.freq.step;stat.min | meta.number | ||||||||
spectral_sampling_step_max | spectral_sampling_step_max | Double | Hz | Max spectral sampling step | em.freq.step;stat.max | meta.number | ||||||||
spectral_resolution_min | spectral_resolution_min | Double | Hz | Min spectral resolution | spect.resolution;stat.min | spect.resolution | ||||||||
spectral_resolution_max | spectral_resolution_max | Double | Hz | Max spectral resolution | spect.resolution;stat.max | |||||||||
c1min | c1min | Double | (1) | Min of first coordinate | pos;stat.min pos.angDistance;stat.min pos.eq.ra for celestial pos.bodyrc.lon for body pos.cartesian.x for cartesian pos.healpix for healpix (with 2 coordinates ?) | pos.eq.ra | ||||||||
c1max | c1max | Double | (1) | Max of first coordinate | pos;stat.max | |||||||||
c2min | c2min | Double | (1) | Min of second coordinate | pos;stat.min pos.angDistance;stat.min pos.eq.dec for celestial pos.bodyrc.lat for body pos.cartesian.y for cartesian | pos.eq.dec | ||||||||
c2max | c2max | Double | (1) | Max of second coordinate | pos;stat.max | |||||||||
c3min | c3min | Double | (1) | Min of third coordinate | pos;stat.min pos.angDistance;stat.min pos.distance for celestial pos.bodyrc.alt for body ? (from surface only, implicitly from reference level) pos.cartesian.z for cartesian | |||||||||
c3max | c3max | Double | (1) | Max of third coordinate | pos;stat.max | |||||||||
s_region |
| Text | (STC-S String) | ObsCore-like footprint, assume spatial_coordinate_description | instr.fov phys.outline;obs.field | phys.outline;obs.field | UCD: ?? - doubtful… This one TBC (needs another param for GIS interface?) | |||||||
c1_resol_min | c1_resol_min | Double | (1) | Min resolution in first coordinate | pos.resolution;stat.min pos.angResolution;stat.min | pos.angResolution;stat.min | (UCD is deprecated) | |||||||
c1_resol_max | c1_resol_max | Double | (1) | Max resolution in first coordinate | pos.resolution;stat.max | pos.angResolution;stat.max | (UCD is deprecated) | |||||||
c2_resol_min | c2_resol_min | Double | (1) | Min resolution in second coordinate | pos.resolution;stat.min | (UCD is deprecated) | ||||||||
c2_resol_max | c2_resol_max | Double | (1) | Max resolution in second coordinate | pos.resolution;stat.max | (UCD is deprecated) | ||||||||
c3_resol_min | c3_resol_min | Double | (1) | Min resolution in third coordinate | pos.resolution;stat.min | (UCD is deprecated) | ||||||||
c3_resol_max | c3_resol_max | Double | (1) | Max resolution in third coordinate | pos.resolution;stat.max | (UCD is deprecated) | ||||||||
spatial_frame_type | spatial_frame_type | Text | (1) | Flavor of coordinate system, defines the nature of coordinates. From enumerated list | meta.code.class;pos.frame | _ | ||||||||
incidence_min | incidence_min | Double | deg | Min incidence angle (solar zenithal angle) | pos.posAng;stat.min pos.incidenceAng;stat.min | _ | ||||||||
incidence_max | incidence_max | Double | deg | Max incidence angle (solar zenithal angle) | pos.posAng;stat.max pos.incidenceAng;stat.max | _ | ||||||||
emergence_min | emergence_min | Double | deg | Min emergence angle | pos.posAng;stat.min pos.emergenceAng;stat.min | _ | ||||||||
emergence_max | emergence_max | Double | deg | Max emergence angle | pos.posAng;stat.max pos.emergenceAng;stat.max | _ | ||||||||
phase_min | phase_min | Double | deg | Min phase angle | pos.phaseAng;stat.min | |||||||||
phase_max | phase_max | Double | deg | Max phase angle | pos.phaseAng;stat.max | |||||||||
instrument_host_name | instrument_host_name | Text |
| Standard name of the observatory or spacecraft | meta.id;instr.obsty | meta.id;instr.tel | ||||||||
instrument_name | instrument_name | Text |
| Standard name of instrument | meta.id;instr | meta.id;instr | ||||||||
measurement_type | measurement_type | Text |
| UCD(s) defining the data | meta.ucd | meta.ucd | ||||||||
processing_level | processing_level | Integer |
| CODMAC calibration level in v1 | meta.code;obs.calib meta.calibLevel | meta.code;obs.calib | To be replaced by PDS4 values in v2? | |||||||
creation_date | Y | Date | (ISO-8601 String) | Date of first entry of this granule | time.creation | time;meta.dataset | ||||||||
modification_date | Y | Date | (ISO-8601 String) | Date of last modification (used to handle mirroring) | time.update time.process | |||||||||
release_date | Y | Date | (ISO-8601 String) | Start of public access period | time.release | time.release | ||||||||
service_title | Y | service_title | Text |
| Title of resource (will be used to handle multiservice results) | meta.title | ||||||||
Optional parameters |
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access_url | access_url | Text |
| URL of the data file, case sensitive. If present, next 2 parameters must be present. | meta.ref.url;meta.file | meta.ref.url | Use this to link data! | |||||||
access_format | access_format | Text | (mime type in lowercase) | File format type | meta.code.mime | meta.code.mime | ||||||||
access_estsize | access_estsize | Integer | kbyte | Estimate file size in kbyte (with this spelling) | phys.size;meta.file | phys.size;meta.file | ||||||||
| data_access_url | Text | If access_format indicates a detached label, this parameter is mandatory and points to the corresponding data file - both will be handled by the client before samping it to tools or downloading | meta.ref.url;meta.file | Must be filled? being questioned! | ||||||||||
| access_md5 | Text | MD5 Hash for the file when available (real file) | meta.checksum;meta.file | |||||||||||
| preview_url | Integer |
| URL of a preview image (std format with adequate resolution for user's purpose) | (meta.ref.url;meta.file) | replaced by another granule group | ||||||||
| native_access_url | Text |
| URL of the data file in native form, case sensitive | (meta.ref.url;meta.file) | replaced by another granule group | ||||||||
| native_access_format | Text |
| File format type in native form | (meta.id;class) | replaced by another granule group | ||||||||
thumbnail_url | Text |
| URL of a thumbnail image with predefined size (png ~200 pix, for use in a client only) | meta.ref.url;meta.file meta.ref.url;meta.preview | ||||||||||
file_name | file_name | Text |
| Name of the data file only, case sensitive | meta.id;meta.file | meta.title;obs — ? | ObsCore obs_title is for a short free text string describing the granule. Do we want this? | |||||||
species | species | Text |
| Identifies a chemical species, case sensitive | meta.id;phys.atmol | |||||||||
| alt_target_name | Text | Provides alternative target name if more common (e.g. comets) | meta.id;src | |||||||||||
target_region | target_region | Text |
| Type of region of interest | meta.id;class obs.field | |||||||||
feature_name | element_name | Text |
| Secondary name | meta.id;pos obs.field |
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bib_reference | reference | Text |
| Bibcode, doi, or other biblio id, URL… | meta.bib meta.bib.bibcode (if bibcode) | meta.bib.bibcode (always as bibcode) | ||||||||
ra | ra | Double | deg or h:m:s? | Right ascension (not hour angle…) | pos.eq.ra;meta.main | |||||||||
dec | dec | Double | deg | Declination | pos.eq.dec;meta.main | |||||||||
solar_longitude_min | solar_longitude | Double | deg | Min Solar longitude Ls (location on orbit / season) | pos.posangle pos.posAng;pos.heliocentric;stat.min | |||||||||
solar_longitude_max | solar_longitude | Double | deg | Max Solar longitude Ls (location on orbit / season) | pos.posangle pos.posAng;pos.heliocentric;stat.max | |||||||||
local_time_min | local_time_min | Double | h | Local time at observed region | time.phase;stat.min time.period.rotation;time.phase;stat.min | |||||||||
local_time_max | local_time_max | Double | h | Local time at observed region | time.phase;stat.max time.period.rotation;time.phase;stat.max | |||||||||
target_distance_min | target_distance | Double | km | Observer-target distance | pos.distance;stat.min | was target_distance without min/max in v1 | ||||||||
| target_distance_max | Double | km | Observer-target distance | pos.distance;stat.max | ||||||||||
target_time_min | Double | d | Observing time in target frame (simplest way to look for coordinated observations) | time.start | ?? | |||||||||
target_time_max | Double | d | time.end | ?? | ||||||||||
particle_spectral_type | particle_spectral_type | Text |
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| Use phys.particle? | |||||||||
particle_spectral_range_min | particle_spectral_range_min | Double |
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| Use phys.particle? | |||||||||
particle_spectral_range_max | particle_spectral_range_max | Double |
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| Use phys.particle? | |||||||||
particle_spectral_sampling_step_min | particle_spectral_sampling_step_min | Double |
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| Use phys.particle? | |||||||||
particle_spectral_sampling_step_max | particle_spectral_sampling_step_max | Double |
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| Use phys.particle? | |||||||||
particle_spectral_resolution_min | particle_spectral_resolution_min | Double |
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| spect.resolution;stat.min Use phys.particle? | |||||||||
particle_spectral_resolution_max | particle_spectral_resolution_max | Double |
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| spect.resolution;stat.max Use phys.particle? | |||||||||
More optional (TBC) | were "Relative to service" (Table header) |
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publisher | publisher | Text |
| Resource publisher | meta.name meta.curation | meta.ref.url;meta.curation — ? | ||||||||
spatial_coordinate_description | spatial_coordinate_description | Text |
| ID of specific coordinate system and version | meta.code.class;pos.frame | still TBDDiscussion in progress here: VESPA / Coordinate systems | ||||||||
spatial_origin | spatial_origin | Text |
| Defines the frame origin | meta.ref;pos.frame | |||||||||
time_origin | time_origin | Text |
| Defines where the time is measured (e. g., ground vs spacecraft) [target_time is of course always on target]. | meta.ref;time.scale | TBC | ||||||||
time_scale |
| Text |
| Always UTC in data services (may be relaxed in computational services such as ephemeris) - from enumerated list | time.scale |
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(1): depending on context (as given by spatial_frame_type). Please comment here: EPN-TAP v2: Current discussion topic
Beware that datatypes apply to the epn_core view, not to the q.rd file where they can be different
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