Title

Progress report on FORCAST grism spectroscopy as a future general observer instrument mode on SOFIA

Document Type

Conference Proceeding

Publication Date

11-12-2010

Abstract

We have implemented and tested a suite of grisms that will enable a moderate-resolution mid-infrared spectroscopic mode in FORCAST, the facility mid-infrared camera on SOFIA. We have tested the hardware for the spectral modes extensively in the laboratory with grisms installed in the FORCAST filter wheels. The grisms perform as designed, consistently producing spectra at resolving powers in the 200-1200 range at wavelengths from 5 to 38 microns. In anticipation of offering this capability as a SOFIA general observer mode, we are developing software for reduction and analysis of FORCAST spectra, a spectrophotometric calibration plan, and detailed plans for in-flight tests prior to commissioning the modes. We present a brief summary of the FORCAST grism spectroscopic system and a status report. © 2010 Copyright SPIE - The International Society for Optical Engineering.

Publication Name

Proceedings of SPIE - The International Society for Optical Engineering

Volume Number

7735

Issue Number

PART 1

DOI

10.1117/12.857127

Article

77356N

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