NIRS

The Near InfraRed Spectrometer

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