VIIRS/NPP Daily Gridded Day Night Band 500m Linear Lat. Lon. Grid Night NRT
The first of two Visible Infrared Imager Radiometer Suite (VIIRS) Day Night Band (DNB) based Near Real Time (NRT) datasets is a daily, top-of-atmosphere, at-sensor nighttime radiance product called VIIRS/NPP Daily Gridded Day Night Band 500m Linear Lat Lon Grid Night. Known by its short-name, VNP46A1_NRT, this product contains 26 Science Data Sets (SDS) that include sensor radiance, zenith and azimuth angles (at-sensor, solar, and lunar), cloud-mask flags, time, shortwave IR radiance, brightness temperatures, VIIRS quality flags, moon phase angle, and moon illumination fraction. It also provides Quality Flag (QF) information specific to the cloud-mask, VIIRS moderate-resolution bands M10, M11, M12, M13, M15, M16, and DNB.
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Data Information (HTML)
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Data Information (Unknown Format)
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Complete Metadata
| @type | dcat:Dataset |
|---|---|
| accessLevel | public |
| bureauCode |
[ "026:00" ] |
| contactPoint |
{ "fn": "Earthdata Forum", "@type": "vcard:Contact", "hasEmail": "mailto:earthdata-support@nasa.gov" } |
| description | The first of two Visible Infrared Imager Radiometer Suite (VIIRS) Day Night Band (DNB) based Near Real Time (NRT) datasets is a daily, top-of-atmosphere, at-sensor nighttime radiance product called VIIRS/NPP Daily Gridded Day Night Band 500m Linear Lat Lon Grid Night. Known by its short-name, VNP46A1_NRT, this product contains 26 Science Data Sets (SDS) that include sensor radiance, zenith and azimuth angles (at-sensor, solar, and lunar), cloud-mask flags, time, shortwave IR radiance, brightness temperatures, VIIRS quality flags, moon phase angle, and moon illumination fraction. It also provides Quality Flag (QF) information specific to the cloud-mask, VIIRS moderate-resolution bands M10, M11, M12, M13, M15, M16, and DNB. |
| distribution |
[ { "@type": "dcat:Distribution", "title": "Data Information (HTML)", "format": "HTML", "mediaType": "application/octet-stream", "downloadURL": "https://doi.org/10.5067/VIIRS/VNP46A1_NRT.001" }, { "@type": "dcat:Distribution", "title": "Data Information (Unknown Format)", "format": "BIN", "mediaType": "application/octet-stream", "downloadURL": "https://nrt3.modaps.eosdis.nasa.gov/allData/5200/VNP46A1_NRT/" } ] |
| identifier | 10.5067/VIIRS/VNP46A1_NRT.002 |
| keyword |
[ "earth-science-visible-wavelengths-spectral-engineering-visible-radiance" ] |
| landingPage | https://doi.org/10.5067/VIIRS/VNP46A1_NRT.001 |
| modified | 2026-02-10 |
| programCode |
[ "026:000" ] |
| publisher |
{ "name": "NASA/GSFC/EOS/ESDIS/LANCE MODIS", "@type": "org:Organization" } |
| spatial |
"["CARTESIAN",[{"NorthBoundingCoordinate":90,"WestBoundingCoordinate":-180,"EastBoundingCoordinate":180,"SouthBoundingCoordinate":-90}]]"
|
| temporal | 2023-10-10/2023-10-10 |
| theme |
[ "Earth Science" ] |
| title | VIIRS/NPP Daily Gridded Day Night Band 500m Linear Lat. Lon. Grid Night NRT |
