csa.epn_coreivo://padc.obspm.sandbox/csa/q/epn_coreParis Astronomical Data CentreHelen Usher2025-07-30T11:43:17ZHelen Usherhelen.usher@open.ac.uksolar-system-astronomyplanetary-sciencesmall-solar-system-bodiescometsaperiodic-cometsnear-earth-objects The British Astronomical Association has been collecting observations since 1890. Here we provide access to Comet Observations, both visual and CCD. Informations for alternate target name come from caero resolver, and ephemeris from miriad, both services are from the coutesy og IMCCE-Observatoire de Paris-PSLvarioushttp://voparis-tap-sandbox.obspm.fr/tableinfo/csa.epn_coreCatalogGeneralAmateurResearchIsServedByPADC TAP Server on voparis-tap-sandbox.obspm.fr TAP servicehttp://voparis-tap-sandbox.obspm.fr/tapOpticalcsa The British Astronomical Association has been collecting observations since 1890. Here we provide access to Comet Observations, both visual and CCD. Informations for alternate target name come from caero resolver, and ephemeris from miriad, both services are from the coutesy og IMCCE-Observatoire de Paris-PSLcsa.epn_core The British Astronomical Association has been collecting observations since 1890. Here we provide access to Comet Observations, both visual and CCD. Informations for alternate target name come from caero resolver, and ephemeris from miriad, both services are from the coutesy og IMCCE-Observatoire de Paris-PSLivo://ivoa.net/std/epntap#table-2.0granule_uidInternal table row index, which must be unique within the table. Can be alphanumeric.meta.idcharindexedprimarygranule_gidCommon to granules of same type (e.g. same map projection, or geometry data products). Can be alphanumeric.meta.idcharobs_idAssociates granules derived from the same data (e.g. various representations/processing levels). Can be alphanumeric, may be the ID of original observation.meta.id;obschardataproduct_typeThe high-level organization of the data product, from a controlled vocabulary (e.g., 'im' for image, sp for spectrum). Multiple terms may be used, separated by # characters.meta.code.classcharnullabletarget_nameStandard IAU name of target (from a list related to target class), case sensitivemeta.id;srccharnullabletarget_classType of target, from a controlled vocabulary.src.classcharnullabletime_minAcquisition start time (in JD), as UTC at time_refpositiondtime.start;obsdoublenullabletime_maxAcquisition stop time (in JD), as UTC at time_refpositiondtime.end;obsdoublenullabletime_sampling_step_minSampling time for measurements of dynamical phenomena, lower limit.stime.resolution;stat.mindoublenullabletime_sampling_step_maxSampling time for measurements of dynamical phenomena, upper limitstime.resolution;stat.maxdoublenullabletime_exp_minIntegration time of the measurement, lower limit.stime.duration;obs.exposure;stat.mindoublenullabletime_exp_maxIntegration time of the measurement, upper limitstime.duration;obs.exposure;stat.maxdoublenullablespectral_range_minSpectral range (frequency), lower limit.Hzem.freq;stat.mindoublenullablespectral_range_maxSpectral range (frequency), upper limitHzem.freq;stat.maxdoublenullablespectral_sampling_step_minSpectral sampling step, lower limit.Hzem.freq;spect.binSize;stat.mindoublenullablespectral_sampling_step_maxSpectral sampling step, upper limitHzem.freq;spect.binSize;stat.maxdoublenullablespectral_resolution_minSpectral resolution, lower limit.spect.resolution;stat.mindoublenullablespectral_resolution_maxSpectral resolution, upper limitspect.resolution;stat.maxdoublenullablec1minRight Ascension (ICRS), lower limit.degpos.eq.ra;stat.mindoublenullablec1maxRight Ascension (ICRS), upper limitdegpos.eq.ra;stat.maxdoublenullablec2minDeclination (ICRS), lower limit.degpos.eq.dec;stat.mindoublenullablec2maxDeclination (ICRS), upper limitdegpos.eq.dec;stat.maxdoublenullablec3minDistance from coordinate origin, lower limit.AUpos.distance;stat.mindoublenullablec3maxDistance from coordinate origin, upper limitAUpos.distance;stat.maxdoublenullables_regionObsCore-like footprint, valid for celestial, spherical, or body-fixed framespos.outline;obs.fieldcharnullablec1_resol_minResolution in the first coordinate, lower limit.degpos.angResolution;stat.mindoublenullablec1_resol_maxResolution in the first coordinate, upper limitdegpos.angResolution;stat.maxdoublenullablec2_resol_minResolution in the second coordinate, lower limit.degpos.angResolution;stat.mindoublenullablec2_resol_maxResolution in the second coordinate, upper limitdegpos.angResolution;stat.maxdoublenullablec3_resol_minResolution in the third coordinate, lower limit.AUpos.resolution;stat.mindoublenullablec3_resol_maxResolution in the third coordinate, upper limitAUpos.resolution;stat.maxdoublenullablespatial_frame_typeFlavor of coordinate system, defines the nature of coordinates. From a controlled vocabulary, where 'none' means undefined.meta.code.class;pos.framecharnullableincidence_minIncidence angle (solar zenithal angle) during data acquisition, lower limit.degpos.incidenceAng;stat.mindoublenullableincidence_maxIncidence angle (solar zenithal angle) during data acquisition, upper limitdegpos.incidenceAng;stat.maxdoublenullableemergence_minEmergence angle during data acquisition, lower limit.degpos.emergenceAng;stat.mindoublenullableemergence_maxEmergence angle during data acquisition, upper limitdegpos.emergenceAng;stat.maxdoublenullablephase_minPhase angle during data acquisition, lower limit.degpos.phaseAng;stat.mindoublenullablephase_maxPhase angle during data acquisition, upper limitdegpos.phaseAng;stat.maxdoublenullableinstrument_host_nameStandard name of the observatory or spacecraftmeta.id;instr.obstycharnullableinstrument_nameStandard name of instrumentmeta.id;instrcharnullablemeasurement_typeUCD(s) defining the data, with multiple entries separated by hash (#) characters.meta.ucdcharnullableprocessing_levelDataset-related encoding, or simplified CODMAC calibration levelmeta.calibLevelintcreation_dateDate of first entry of this granuletime.creationcharnullablemodification_dateDate of last modification (used to handle mirroring)time.processingcharnullablerelease_dateStart of public access periodtime.releasecharnullableservice_titleTitle of resource (an acronym really, will be used to handle multiservice results)meta.titlecharnullableaccess_urlURL of the data file, case sensitive. If present, then access_format and access_estsize are mandatory.meta.ref.url;meta.filecharnullableaccess_formatFile format type (RFC 6838 Media Type a.k.a. MIME type)meta.code.mimecharnullableaccess_estsizeEstimated file size in kbyte.kbytephys.size;meta.fileintnullabletime_scaleDefaults to UTC in data services; takes values from http://www.ivoa.net/rdf/time_scale otherwisetime.scalecharnullablebib_referenceBibcode or DOI preferred if available, or other bibliographic identifier or URLmeta.bibcharnullablemagnitudeAbsolute magnitude. For small bodies, from HG magnitude systemmagphys.magAbsdoublenullablealt_target_nameProvides alternative target name if more common (e.g. comets); multiple identifiers can be separated by hashesmeta.id;srccharnullablethumbnail_urlURL of a thumbnail image with predefined size (png ~200 pix, for use in a client only)meta.ref.url;meta.previewcharnullableobserver_nameObserver namemeta.id.PI;obs.observercharnullabledynamical_classClass of small body, from a controlled vocabulary (see the EPN-TAP specification)meta.code.class;srccharnullableearth_distance_minMin Earth-target distanceAUpos.distance;stat.mindoublenullableearth_distance_maxMax Earth-target distanceAUpos.distance;stat.maxdoublenullableexternal_linkWeb page providing more details on this granulemeta.ref.urlcharnullabledatalink_urlLink to a datalink document for this datasetmeta.ref.urlcharnullableradial_velocity_minMin radial velocitykm.s**-1phys.veloc;stat.mindoublenullableradial_velocity_maxMax radial velocitykm.s**-1phys.veloc;stat.maxdoublenullableperiapsis_timetime at periastrondtime.epoch;src.orbital.periastrondoublenullablesolar_elongation_minMin solar elongation of the targetdegpos.angDistance;stat.mindoublenullablesolar_elongation_maxMax solar elongation of the targetdegpos.angDistance;stat.maxdoublenullableorbital_periodRevolution periodyrtime.period.revolutiondoublenullable