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IRTS - Instrument
Summary
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The following table summarizes the IRTS
onboard instrumentation.
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| Instrument Name |
Wavelength (microns) |
Spectral Resolution |
Array Configuration |
Spatial Field/Resolution |
| NIRS (spectrometer) |
1.4-4.0 |
res elt. 0.12 um |
linear 2 x 12 elt. arrays |
8' x 8' FOV |
| MIRS (spectrometer) |
5.5-11.7 |
res elt. 0.23-0.36 um |
linear 32 elt. array |
8' x 8' FOV |
| FILM (spectrometer) |
155, 158 |
Resolution R= 130, 409 |
Individual Detectors |
8' x 13' |
| FIRP (photometer) |
50, 400, 700 |
Resolution R = 3 |
Individual Bolometers |
30' Diameter |
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Note 1. The specifications of the IRTS FILM
Instrument (Shibai et al. 1994) specifies output
of detectors at these wavelengths: 155.3 um,
157.73 um, 160.26um and 63.13 um. In the ISAS
delivered archive, only the 155um channel and
157um channel are presented where the latter is
labeled CII in data file names.
Note 2. The specifications of the IRTS FIRP
Instrument (Lange, et al. 1994) specifies output
of detectors at these wavelengths: 150, 250, 400,
and 700 um. In the ISAS delivered archive, the
150 um detector output is always absent, and the
250 and 400 um detector output is sometimes
absent.
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A synopsis of the FILM 155 micron data can be
found here;
and on the FILM CII data can be found here.
Additional notes on FILM by Steve Lord,
an IRSA Scientist, are available here to
help users.
We suggest the following publications per IRTS
instrument description:
- NIRS: "Near-infrared spectrometer on
the Infrared Telescope in Space", by Noda,
Manabu et al, 1994 [1994ApJ...428..363N]
- MIRS: "The Mid-Infrared Spectrometer
on the Infrared Telescope in Space (IRTS)
mission", by Roellig, Thomas L. et al,
1994 [1994ApJ...428..370R]
- FILM: "Far-Infrared Line Mapper
(FILM) on the Infrared Telescope in Space", by
Shibai, Hiroshi et al, 1994 [1994ApJ...428..377S]
- FIRP:"The Far-Infrared Photometer on
the Infrared Telescope in Space", by Lange,
A.E. et al, 1994 [1994ApJ...428..384L]
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