{
  "type": "Collection",
  "id": "05ef8d62-da41-11ee-9f22-0242c0a87004_radar_aux_collection",
  "stac_version": "1.1.0",
  "description": "[Repository](../collection.json) > [Earthquake Iran 2017](collection.json) > [Radar geometry](radar_collection.json) > Auxiliary data\n\n# The auxiliary data collection from run Auxiliary data\n\nThe **auxiliary data** contain product relative to LOS vectors, digital elevation models, lookup tables and temporal coherence.\n",
  "links": [
    {
      "rel": "root",
      "href": "./radar_aux_collection.json",
      "type": "application/json",
      "title": "Auxiliary data"
    },
    {
      "rel": "cite-as",
      "href": "https://flatsim.cnes.fr/doi/docs/NSBAS_Etna.pdf"
    },
    {
      "rel": "cite-as",
      "href": "https://proceedings.esa.int/files/116.pdf"
    },
    {
      "rel": "cite-as",
      "href": "https://www.mdpi.com/2072-4292/13/18/3734"
    },
    {
      "rel": "license",
      "href": "https://creativecommons.org/licenses/by-nc/4.0/"
    },
    {
      "rel": "item",
      "href": "./radar_aux_dem_item.json",
      "type": "application/json",
      "title": "Digital Elevation Model"
    },
    {
      "rel": "item",
      "href": "./radar_aux_cosenu_item.json",
      "type": "application/json",
      "title": "Map of LOS vector (ENU coefficient)"
    },
    {
      "rel": "item",
      "href": "./geo_aux_lut_item.json",
      "type": "application/json",
      "title": "Lookup tables to pass from radar to ground geometry and vice versa"
    },
    {
      "rel": "item",
      "href": "./radar_aux_lut_item.json",
      "type": "application/json",
      "title": "Lookup tables to pass from radar to ground geometry and vice versa"
    },
    {
      "rel": "parent",
      "href": "./collection.json",
      "type": "application/json",
      "title": "Radar geometry"
    }
  ],
  "stac_extensions": [
    "https://raw.githubusercontent.com/stac-extensions/processing/refs/heads/main/json-schema/schema.json",
    "https://raw.githubusercontent.com/stac-extensions/sar/refs/heads/main/json-schema/schema.json",
    "https://raw.githubusercontent.com/stac-extensions/sat/refs/heads/main/json-schema/schema.json"
  ],
  "uuid": "05ef8d62-da41-11ee-9f22-0242c0a87004",
  "breadcrumb": "[Repository](../collection.json) > [Earthquake Iran 2017](collection.json) > [Radar geometry](radar_collection.json) > Auxiliary data",
  "ingestion_time": "2026-06-01T12:43:06.176930",
  "title": "Auxiliary data",
  "extent": {
    "spatial": {
      "bbox": [
        [
          46.123796224866,
          34.243594729697,
          47.329110495925,
          35.471295614067
        ]
      ]
    },
    "temporal": {
      "interval": [
        [
          "2024-03-21T09:15:21Z",
          "2024-03-21T09:15:21Z"
        ]
      ]
    }
  },
  "license": "CC-BY-NC-4.0",
  "keywords": [
    "auxiliary data",
    "radar geometry",
    "GDM-SAR-In",
    "NSBAS processing chain",
    "InSAR"
  ],
  "providers": [
    {
      "name": "ESA",
      "description": "The European Space Agency (ESA) is a 22-member intergovernmental body devoted to space exploration. With its headquarters in Paris and a staff of around 2,547 people globally as of 2023, the ESA was founded in 1975.",
      "roles": [
        "producer"
      ],
      "url": "https://www.esa.int/"
    },
    {
      "name": "OSUG",
      "description": "L'Observatoire des sciences de l'Univers de Grenoble (OSUG) est un observatoire des sciences de l'Univers (OSU) associé à l'Institut national des sciences de l'Univers (INSU) du CNRS et une école interne de l'université Grenoble-Alpes. Les OSU ont pour mission l’observation, la recherche, la formation et la diffusion des connaissances. L’OSUG œuvre dans tous les domaines des Sciences de l’Univers, de la planète Terre et de l’environnement.",
      "roles": [
        "processor",
        "licensor"
      ],
      "url": "https://www.osug.fr/"
    },
    {
      "name": "OPGC",
      "description": "L'Observatoire de physique du globe de Clermont-Ferrand (OPGC) est un observatoire des sciences de l'univers (OSU) dépendant du Centre national de la recherche scientifique (CNRS) et de l’université Clermont-Auvergne (UCA). Fondé en 1876 par Émile Alluard sous le nom d'Observatoire du Puy de Dôme, il s'est nommé l'Institut et observatoire de physique du globe (IOPG) de 1921 à 1985.",
      "roles": [
        "host"
      ],
      "url": "https://opgc.uca.fr/"
    }
  ],
  "summaries": {
    "instruments": [
      "c-sar"
    ],
    "constellation": [
      "sentinel-1"
    ],
    "mission": [
      null
    ],
    "sat:platform_international_designator": [
      "2014-016A"
    ],
    "sat:orbit_state": [
      "geostationary"
    ],
    "sar:frequency_band": [
      "C"
    ],
    "processing:level": [
      "L2"
    ],
    "keywords": [
      "radar geometry",
      "Digital Elevation Model",
      "digital elevation model",
      "InSAR",
      "resolution_4looks",
      "auxiliary data",
      "GDM-SAR-In",
      "geostationary",
      "NSBAS processing chain",
      "Map of LOS vector",
      "ENU",
      "EPOS convention",
      "lookup table"
    ],
    "updated": {
      "minimum": "2024-03-21T09:15:21Z",
      "maximum": "2024-03-21T09:15:21Z"
    },
    "created": {
      "minimum": "2024-03-04T16:46:41Z",
      "maximum": "2024-03-04T18:44:22Z"
    },
    "sar:center_frequency": {
      "minimum": 5.405,
      "maximum": 5.405
    }
  },
  "assets": {
    "list_iw23_merge_estimated_ifg.txt": {
      "href": "./assets/list_iw23_merge_estimated_ifg.txt",
      "type": "text/plain",
      "title": "list_iw23_merge_estimated_ifg.txt",
      "description": "# Extra text files\n\nThis collection contains a set of supplementary data for the auxiliary data in radar geometry.\n",
      "roles": [
        "metadata"
      ]
    },
    "success_coreg_iw2.txt": {
      "href": "./assets/success_coreg_iw2.txt",
      "type": "text/plain",
      "title": "success_coreg_iw2.txt",
      "description": "# Extra text files\n\nThis collection contains a set of supplementary data for the auxiliary data in radar geometry.\n",
      "roles": [
        "metadata"
      ]
    },
    "success_coreg_iw3.txt": {
      "href": "./assets/success_coreg_iw3.txt",
      "type": "text/plain",
      "title": "success_coreg_iw3.txt",
      "description": "# Extra text files\n\nThis collection contains a set of supplementary data for the auxiliary data in radar geometry.\n",
      "roles": [
        "metadata"
      ]
    },
    "download": {
      "href": "https://formater.osug.fr/download/gdm-sar-permanent/05ef8d62-da41-11ee-9f22-0242c0a87004",
      "type": "text/html",
      "title": "Download tool",
      "description": "Link to the download page for the original source product, before STAC conversion.",
      "roles": [
        "metadata"
      ]
    },
    "documentation": {
      "href": "https://formater.pages.in2p3.fr/flatsim/product.html",
      "type": "text/html",
      "title": "Product description (general for NSBAS, including GDM-SAR-In and FLATSIM)",
      "description": "Documentation page describing the product names and acronyms, information about the generation of the products, and metadata definitions.",
      "roles": [
        "metadata"
      ]
    },
    "local_folder": {
      "href": "http://isdeform.opgc.fr/static/GDMSARIn/05ef8d62-da41-11ee-9f22-0242c0a87004",
      "type": "text/html",
      "title": "Local folder for this STAC file",
      "roles": [
        "metadata"
      ]
    }
  }
}