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Name, v2

Name, v1

Class

Unit

Description

UCD

EPNCore mandatory parameters

granule_uid

index

Long

Internal table row index
Unique ID in data service, also in v2. Number only?

meta.id

granule_gid

_

Long

Associates granules of same type (e.g. same map projection, or geometry data products). Can be alphanum.

meta.id

obs_id

_

Long

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

—

resource_type

String

Can be dataset or granule

meta.code.class

_ (TBC)

dataset_id

String

Dataset identification & granule reference

meta.id

dataproduct_type

dataproduct_type

String

Organization of the data product, from enumerated list

meta.code.class

target_name

target_name

String

Standard name of target (from a list depending on target type), case sensitive

meta.id;src

target_class

target_class

String

Type of target, from enumerated list

meta.code.class;src

time_min

time_min

Double

d

Acquisition start time (in JD). UTC at time_origin (default is observer's frame)

time.start

time_max

time_max

Double

d

Acquisition stop time (in JD). UTC at time_origin (default is observer's frame)

time.end

time_sampling_step_min

time_sampling_step_min

Float

s

Min time sampling step

time.interval;stat.min

time_sampling_step_max

time_sampling_step_max

Float

s

Max time sampling step

time.interval;stat.max

time_exp_min

time_exp_min

Float

s

Min integration time

time.duration;stat.min

time_exp_max

time_exp_max

Float

s

Max integration time

time.duration;stat.max

spectral_range_min

spectral_range_min

Float

Hz

Min spectral range (frequency)

em.freq;stat.min

spectral_range_max

spectral_range_max

Float

Hz

Max spectral range (frequency)

em.freq;stat.max

spectral_sampling_step_min

spectral_sampling_step_min

Float

Hz

min spectral sampling step

em.freq.step;stat.min
(not in list)

spectral_sampling_step_max

spectral_sampling_step_max

Float

Hz

Max spectral sampling step

em.freq.step;stat.max
(not in list)

spectral_resolution_min

spectral_resolution_min

Float

Hz

Min spectral resolution

spect.resolution;stat.min

spectral_resolution_max

spectral_resolution_max

Float

Hz

Max spectral resolution

spect.resolution;stat.max

c1min

c1min

Float

(1)

Min of first coordinate

pos;stat.min

c1max

c1max

Float

(1)

Max of first coordinate

pos;stat.max

c2min

c2min

Float

(1)

Min of second coordinate

pos;stat.min

c2max

c2max

Float

(1)

Max of second coordinate

pos;stat.max

c3min

c3min

Float

(1)

Min of third coordinate

pos;stat.min

c3max

c3max

Float

(1)

Max of third coordinate

pos;stat.max

s_region

Vector?

TAP-like footprint, assume spatial_coordinate_description – this one TBC (needs another param for GIS interface?)

c1_resol_min

c1_resol_min

Float

(1)

Min resolution in first coordinate

pos.resolution;stat.min
(not in list)

c1_resol_max

c1_resol_max

Float

(1)

Max resolution in first coordinate

pos.resolution;stat.max
(not in list)

c2_resol_min

c2_resol_min

Float

(1)

Min resolution in second coordinate

pos.resolution;stat.min
(not in list)

c2_resol_max

c2_resol_max

Float

(1)

Max resolution in second coordinate

pos.resolution;stat.max
(not in list)

c3_resol_min

c3_resol_min

Float

(1)

Min resolution in third coordinate

pos.resolution;stat.min
(not in list)

c3_resol_max

c3_resol_max

Float

(1)

Max resolution in third coordinate

pos.resolution;stat.max
(not in list)

spatial_frame_type

spatial_frame_type

String

Flavor of coordinate system, defines the nature of coordinates

meta.code.class;pos.frame

incidence_min

incidence_min

Float

Min incidence angle (solar zenithal angle)

pos.posang;stat.min 

incidence_max

incidence_max

Float

Max incidence angle (solar zenithal angle)

pos.posang;stat.max 

emergence_min

emergence_min

Float

Min emergence angle

pos.posang;stat.min 

emergence_max

emergence_max

Float

Max emergence angle

pos.posang;stat.max

phase_min

phase_min

Float

Min phase angle

pos.phaseang;stat.min

phase_max

phase_max

String

Max incidence angle

pos.phaseang;stat.max

instrument_host_name

instrument_host_name

String

Standard name of the observatory or spacecraft

meta.id;instr.obsty

instrument_name

instrument_name

String

Standard name of instrument

meta.id;instr

measurement_type

measurement_type

String

UCD(s) defining the data

meta.ucd

creation_date

String?

Date of first entry of this granule

modification_date

String?

Date of last modification (used to handle mirroring)

Optional parameters

access_url

access_url

String

URL of the data file, case sensitive. If present, next 2 parameters must be present.

meta.ref.url;meta.file

access_format

access_format

String

File format type (mime type in lowercases)

meta.code.mime

access_estsize

access_estsize

Integer

kB

Estimate file size in kB

phys.size;meta.file
(TBC)

_
replaced by another granule group?

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

String

URL of the data file in native form, case sensitive

meta.ref.url;meta.file

_
replaced by another granule group

native_access_format

String

File format type in native form

meta.id;class
or meta.code.mime (if we use MIME type)

thumbnail_url

_

Integer

URL of a thumbnail image with predefined size (png ~200 pix, for use in a client)

meta.ref.url;meta.file

file_name

file_name

String

Name of the data file only, case sensitive

meta.id;meta.file

species

species

String

Identifies a chemical species, case sensitive

meta.id;phys.atmol

target_region

target_region

String

Type of region of interest

meta.id;class

feature_name

element_name

String

Secondary name
(can be standard name of region of interest)

meta.id;pos

bib_reference

reference

String

Bibcode, doi, or other biblio id, URL…

meta.bib

ra

ra

Float

Right ascension

pos.eq.ra;meta.main

dec

dec

Float

Declination

pos.eq.dec;meta.main

solar_longitude_min

solar_longitude

Float

Min Solar longitude Ls (location on orbit / season)

pos.posangle (TBC)

solar_longitude_max

solar_longitude

Float

Max Solar longitude Ls (location on orbit / season)

pos.posangle (TBC)

local_time_min

local_time_min

Float

h

Local time at observed region

time.phase;stat.min?

local_time_max

local_time_max

Float

h

Local time at observed region

time.phase;stat.max?

target_distance
with _min & _max?

target_distance

Float

km

Observer-target distance

pos.distance

target_time_min

_

Double

d

Observing time in target frame (used to relate simultaneous observations from various locations)

time.start ??

target_time_max

_

Double

d

Observing time in target frame TBC if we want both.

time.end ??

particle_spectral_type

particle_spectral_type

String

particle_spectral_range_min

particle_spectral_range_min

Float

particle_spectral_range_max

particle_spectral_range_max

Float

particle_spectral_sampling_step_min

particle_spectral_sampling_step_min

Float

particle_spectral_sampling_step_max

particle_spectral_sampling_step_max

Float

particle_spectral_resolution_min

particle_spectral_resolution_min

Float

spect.resolution;stat.min

particle_spectral_resolution_max

particle_spectral_resolution_max

Float

spect.resolution;stat.max

Relative to service / Table header
(mandatory or not?)

processing_level

processing_level

Integer

CODMAC calibration level
To be replaced by PDS4 system?

meta.code;obs.calib

publisher

publisher

String

Resource publisher

meta.name

service_title

service_title
(was initially "title")

String

Title of resource

meta.title

spatial_coordinate_description

spatial_coordinate_description

String

?

?

spatial_origin

spatial_origin

String

Defines the frame origin

meta.ref;pos.frame

time_origin

time_origin

String

Defines where the time is measured

?

time_scale

?

String

Always UTC in data services

time.scale