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The interface region imaging spectrograph for the IRIS small explorer mission

  • Jean Pierre Wülser
  • , Alan M. Title
  • , James R. Lemen
  • , Bart De Pontieu
  • , Charles C. Kankelborg
  • , Theodore D. Tarbell
  • , Thomas E. Berger
  • , Leon Golu
  • , Gary D. Kushner
  • , Catherine Y. Chou
  • , Isaac Weingrod
  • , Buck Holmes
  • , Jason Mudge
  • , William A. Podgorski
  • Lockheed Martin
  • Montana State University
  • Center for Astrophysics | Harvard & Smithsonian

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

11 Scopus citations

Abstract

The Interface Region Imaging Spectrograph (IRIS) is a NASA SMall EXplorer mission scheduled for launch in January 2013. The primary goal of IRIS is to understand how the solar atmosphere is energized. The IRIS investigation combines advanced numerical modeling with a high resolution UV imaging spectrograph. IRIS will obtain UV spectra and images with high resolution in space (0.4 arcsec) and time (1s) focused on the chromosphere and transition region of the Sun, a complex interface region between the photosphere and corona. The IRIS instrument uses a Cassegrain telescope to feed a dual spectrograph and slit-jaw imager that operate in the 133-141 nm and 278-283 nm ranges. This paper describes the instrument with emphasis on the imaging spectrograph, and presents an initial performance assessment from ground test results.

Original languageEnglish
Title of host publicationSpace Telescopes and Instrumentation 2012
Subtitle of host publicationUltraviolet to Gamma Ray
DOIs
StatePublished - 2012
Externally publishedYes
EventSpace Telescopes and Instrumentation 2012: Ultraviolet to Gamma Ray - Amsterdam, Netherlands
Duration: Jul 1 2012Jul 6 2012

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume8443
ISSN (Print)0277-786X

Conference

ConferenceSpace Telescopes and Instrumentation 2012: Ultraviolet to Gamma Ray
Country/TerritoryNetherlands
CityAmsterdam
Period07/1/1207/6/12

Keywords

  • Chromosphere
  • Corona
  • Spectroscopy
  • Sun
  • UV

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