NIRS
The
N
ear
I
nfra
R
ed
S
pectrometer
[
Japanese
/ English ]
The
NIRS
is one of the instruments installed in the
IRTS
.
NIRS Results
The IRTS observation of the UIR (Unidentified Infrared) band
(in Japanese)
NIRS Instrumentation
Specifications
detector
InSb
(Indium-Antimonide)
photodiode 1-dim array
spectrometer
grating
observed wavelengths
1.4 - 4 micron (24 channel)
spectral resolution
0.13 micron for diffuse, 0.11 micron for point sources (FWHM)
field of view
8' x 8'
NIRS photographs
Observation Targets
Zodiacal light / Interplanetary dust
Galactic diffuse light / UIR band at 3.3 micron
Late-type stars
Extragalactic background light
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Last modified: Oct 29, 1999
Masahiro Tanaka
<masa @ ir.isas.jaxa.jp>