{"@type": "dcat:Dataset", "accessLevel": "public", "accrualPeriodicity": "irregular", "bureauCode": ["026:00"], "contactPoint": {"@type": "vcard:Contact", "fn": "Thomas Morgan", "hasEmail": "mailto:thomas.h.morgan@nasa.gov"}, "description": "The Micro-Imaging Dust Analysis System (MIDAS) is an instrument on the\nROSETTA Orbiter that will provide 3D images and statistical parameters\nof pristine cometary particles, collected in the vicinity of comet\n67P/Churyumov-Gerasimenko. This data set includes reference\nmeasurement\ndata acquired with the flight spare unit (FS) on ground, which was\nused\nfor improving the accuracy of the images gathered by the actual flight\nunit and to develop adequate measuement procedures for flight. The\ntest\ndata was collected during several years and spawns several data sets,\nin order to keep the individual data set size on a reasonable level.\nThe current dataset contains data from 2008.", "identifier": "urn:nasa:pds:context_pds3:data_set:data_set.ro-cal-midas-3-grnd-ref-2008-v1.0", "issued": "2021-05-21", "keyword": ["calibration", "international-rosetta-mission"], "landingPage": "https://pds.nasa.gov/ds-view/pds/viewDataset.jsp?dsid=RO-CAL-MIDAS-3-GRND-REF-2008-V1.0", "license": "http://www.usa.gov/publicdomain/label/1.0/", "modified": "2025-07-17", "programCode": ["026:005"], "publisher": {"@type": "org:Organization", "name": "National Aeronautics and Space Administration"}, "references": ["https://pds.nasa.gov"], "theme": ["Earth Science"], "title": "ROSETTA-ORBITER CAL MIDAS 3 GRND REFERENCE 2008 V1.0"}