ASTER L1T Radiance (ASTER/AST_L1T_003)
Version V003
The Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER)
is a multispectral imager that was launched on board NASA’s Terra spacecraft
in December, 1999. ASTER can collect data in 14 spectral bands from the
visible to the thermal infrared. Each scene covers an area of 60 x 60 km.
These scenes, produced by the USGS, contain calibrated at-sensor radiance,
ortho-rectified and terrain corrected.
Not all 14 bands were collected in each scene. An asset property named
ORIGINAL_BANDS_PRESENT contains the list of bands that are present in each
scene.
To convert from Digital Numbers (DN) to radiance at the sensor, the unit
conversion coefficients are available in the metadata. See
ASTER L1T Product Users’ Guide
and ASTER L1T Product Specification
for more information.
| Name | Description | Gee:wavelength |
|---|---|---|
| B01 | VNIR_Band1 (visible green/yellow) | 0.520-0.600µm |
| B02 | VNIR_Band2 (visible red) | 0.630-0.690µm |
| B3N | VNIR_Band3N (near infrared, nadir pointing) | 0.780-0.860µm |
| B04 | SWIR_Band4 (short-wave infrared) | 1.600-1.700µm |
| B05 | SWIR_Band5 (short-wave infrared) | 2.145-2.185µm |
| B06 | SWIR_Band6 (short-wave infrared) | 2.185-2.225µm |
| B07 | SWIR_Band7 (short-wave infrared) | 2.235-2.285µm |
| B08 | SWIR_Band8 (short-wave infrared) | 2.295-2.365µm |
| B09 | SWIR_Band9 (short-wave infrared) | 2.360-2.430µm |
| B10 | TIR_Band10 (thermal infrared) | 8.125-8.475µm |
| B11 | TIR_Band11 (thermal infrared) | 8.475-8.825µm |
| B12 | TIR_Band12 (thermal infrared) | 8.925-9.275µm |
| B13 | TIR_Band13 (thermal infrared) | 10.250-10.950µm |
| B14 | TIR_Band14 (thermal infrared) | 10.950-11.650µm |
Providers | |
|---|---|
| NASA LP DAAC at the USGS EROS Center (producer, licensor) | |
| Google Earth Engine (host) | |
| STAC Version | 0.6.2 |
| Keywords | aster, eos, imagery, nir, radiance, swir, terra, thermal, tir, toa, usgs, vnir |
| License | proprietary |
| Temporal Extent | 3/3/2000, 4:00:00 PM - now |
| DOI | https://doi.org/10.5067/ASTER/AST_L1T.003 |
| Citation | Please visit [LP DAAC 'Citing Our Data' page](https://lpdaac.usgs.gov/citing_our_data) for information on citing LP DAAC datasets. |
| Type | image_collection |
| Platform | Terra |
| Instrument | ASTER |
| cube:dimensions | {"x":{"type":"spatial","axis":"x","extent":[-180,180]},"y":{"type":"spatial","axis":"y","extent":[-90,90]},"temporal":{"type":"temporal","extent":["2000-03-04T00:00:00Z",null]},"bands":{"type":"bands","values":["B01","B02","B3N","B04","B05","B06","B07","B08","B09","B10","B11","B12","B13","B14"]}} |