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ASTER
Written by Inforest o.c.
Last Updated: Tuesday, 21 September 2010
Inforest Research o.c. (http://old.inforest.gr)
ASTER is a cooperative effort between NASA and Japan's Ministry of Economy
Trade and Industry (METI), with the collaboration of scientific and industry organizations
in both countries. The ASTER instrument provides the next generation in
remote sensing imaging capabilities compared with the older Landsat Thematic Mapper, and
Japan's JERS-1 OPS scanner.
ASTER captures high spatial resolution data in 14 bands, from the visible to the
thermal infrared wavelengths; and provides stereo viewing capability for digital
elevation model creation. As the "zoom lens" for Terra, ASTER data are used by
other Terra and space-borne instruments for validation and calibration.
ASTER (Advanced Spaceborne Thermal Emission and Reflection Radiometer)
is an imaging instrument flying on Terra, a satellite launched in
December 1999 as part of NASA's Earth Observing
System (EOS) (http://eospso.gsfc.nasa.gov/). ASTER is a cooperative effort
between NASA, Japan's Ministry of Economy, Trade
and Industry (METI) and Japan's Earth Remote Sensing Data Analysis Center
(ERSDAC) (http://www.ersdac.or.jp/eng/index.E.html). ASTER
is being
used to obtain detailed maps of land surface temperature, reflectance and
elevation.
The ASTER
instrument consists of three separate instrument subsystems. Each
subsystem operates in a different spectral region, has its own telescope(s),
and was built by a different Japanese company.
ASTER's three subsystems
are: the
Visible and Near Infrared (VNIR (http://asterweb.jpl.nasa.gov/vnir.asp)),
the Shortwave Infrared (SWIR (http://asterweb.jpl.nasa.gov/swir.asp)),
and the Thermal Infrared (TIR (http://asterweb.jpl.nasa.gov/tir.asp)).
To find out more about each module click on the item of interest.
Instruments Characteristics
<table border="0" cellspacing="10" cellpadding="0">
<tbody>
<tr>
<th>Characteristic</th> <th>VNIR</th> <th>SWIR</th> <th>TIR</th>
</tr>
<tr>
Spectral Range
Band 1: 0.52 - 0.60 μm
Nadir looking
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ASTER
Written by Inforest o.c.
Last Updated: Tuesday, 21 September 2010
Inforest Research o.c. (http://old.inforest.gr)
Band 4: 1.600 - 1.700 μm
Band 10: 8.125 - 8.475 μm
</tr>
<tr>
Band 2: 0.63 - 0.69 μm
Nadir looking
Band 5: 2.145 - 2.185 μm
Band 11: 8.475 - 8.825 μm
</tr>
<tr>
Band 3: 0.76 - 0.86 μm
Nadir looking
Band 6: 2.185 - 2.225 μm
Band 12: 8.925 - 9.275 μm
</tr>
<tr>
Band 3: 0.76 - 0.86 μm
Backward looking
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ASTER
Written by Inforest o.c.
Last Updated: Tuesday, 21 September 2010
Inforest Research o.c. (http://old.inforest.gr)
Band 7: 2.235 - 2.285 μm
Band 13: 10.25 - 10.95 μm
</tr>
<tr>
Band 8: 2.295 - 2.365 μm
Band 14: 10.95 - 11.65 μm
</tr>
<tr>
Band 9: 2.360 - 2.430 μm
</tr>
<tr>
Ground Resolution
15 m
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ASTER
Written by Inforest o.c.
Last Updated: Tuesday, 21 September 2010
Inforest Research o.c. (http://old.inforest.gr)
30m
90m
</tr>
</tbody>
</table>
Powered by Elxis 2009.2 (Electra). Copyright (C) 2006-2017 Elxis.org. All rights reserved.
ASTER
Written by Inforest o.c.
Last Updated: Tuesday, 21 September 2010
Inforest Research o.c. (http://old.inforest.gr)
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