urn:nasa:pds:context:instrument:msx.spirit3 1.0 1.11.0.0 Product_Context urn:nasa:pds:context:instrument:spirit3.msx 2021-02-24 1.0 Changed inst LIDs from u:n:p:c:i:instID.scID to u:n:p:c:i:scID.instID And per "Guide toPDS4 Context Products" v1.7, changed all lidvid_reference to lid_reference urn:nasa:pds:context:instrument_host:spacecraft.msx instrument_to_instrument_host Mill, J.D., R.R. O'Neil, S. Price, G.J. Romick, O.M. Uy, E.M. Gaposchkin, G.C. Light, W.W. Moore, Jr., T.L. Murdock, and A.T. Stair, Jr., Midcourse Space Experiment: Introduction to the spacecraft, instruments, and scientific objectives, Journal of Spacecraft and Rockets, 31, 900-907, 1994. reference.MILLETAL1994 SPATIAL INFRARED IMAGING TELESCOPE Radiometer Spectrometer not applicable not applicable Instrument Overview =================== The Spatial Infrared Imaging Telescope (SPIRIT III) was a 33cm clear-aperture off-axis telecope that contained two focal-plane instruments: a multispectral high spatial resolution (18') radiometer and a six-channel high spectral resolution (R~20cm-1), 2.5 to 28 micron Fourier transform spectrometer. The radiometer had four broad spectral bands (A, C, D, and E) and two narrow bands (B1 and B2). Detector pixels were square with a pixel scale of 18.3 arcsec/pixel. Band: Ctrl. Wavelength: 50% peak int.: Array Size: NER*: FOV**: (microns) (microns) A 8.28 6.8 - 10.8 8 x 192 3.0E-11 1.06 B1 4.29 4.22 - 4.36 2 x 76 1.0E-09 1.4 B2 4.35 4.24 - 4.45 2 x 76 9.0E-10 1.4 C 12.13 11.1 - 13.2 4 x 192 2.0E-10 1.17 D 14.65 13.5 - 15.9 4 x 192 1.0E-10 1.13 E 21.34 18.2 - 25.1 2 x 192 3.0E-10 1.26 * Noise Equivalent Radiance in W/cm^2/sr ** Effective FOV (x 1.0E-08 sr) SPIRIT III flew on the Midcourse Space Experiment (MSX) satellite which was launched in April 1996, and operated until February 1997 when it ran out of cryogen. Further details about the SPIRIT III instrument may be found in the following papers: Mill, J.D, R.R. O'Neil, S. Price, G.J. Romick, O.M. Uy, E.M. Gaposchkin, G.C. Light, W.W. Moore, Jr., T.L. Murdock, and A.T. Stair, Jr., Midcourse Space Experiment: Introduction to the spacecraft, instruments, and scientific objectives. Journal of Spacecraft and Rockets 31, 900-907, 1994. [MILLETAL1994] Price, S.D., M.P. Egan, S.J. Carey, D.R. Mizuno, and T.A. Kuchar, Midcourse Space Experiment Survey of the Galactic Plane, Astron. J. 121, 2819-2842, 2001. [PRICEETAL2001] Anon., SPIRIT III Infrared Sensor Ground Calibration Report, Volumes 1 and 2, Utah State University Space Dynamics Lab, Logan, UT, TP-010200-0001-F01.00-941015, October 1994. [ANONYMOUS1994]