Coronagraph instrument for WFIRST-AFTA

M. Charley Noecker, Feng Zhao, Rick Demers, John Trauger, Olivier Guyon, N. Jeremy Kasdin

Research output: Contribution to journalArticle

30 Citations (Scopus)

Abstract

The Wide-Field Infrared Survey Telescope (WFIRST) is a NASA observatory concept, now in phase A study, which is designed to perform wide-field imaging and slitless spectroscopic surveys for dark energy research and other astrophysical studies. It will also perform microlensing surveys to look for distant exoplanets in our galaxy, and direct imaging studies of some of the very nearest exoplanets. The current astrophysics focused telescope assets (AFTA) design of the mission makes use of an existing 2.4-m telescope, which yields enhanced sensitivity and imaging performance in all these science programs. AFTA also enables the addition of a coronagraph instrument (CGI) for direct imaging and spectroscopy of nearby giant exoplanets (including some that were discovered by radial velocity and other methods), and also for observing debris disks around the candidate host stars. This paper outlines the context for the other papers in this special volume on the WFIRST-AFTA CGI, covering the science, design, engineering, and technology development of the observatory and its CGI.

Original languageEnglish (US)
Article number011001
JournalJournal of Astronomical Telescopes, Instruments, and Systems
Volume2
Issue number1
DOIs
StatePublished - Jan 1 2016

Fingerprint

Astrophysics
coronagraphs
astrophysics
Telescopes
telescopes
Infrared radiation
extrasolar planets
Imaging techniques
observatory
Observatories
technological development
observatories
product development
Galaxies
spectroscopy
dark energy
debris
Debris
engineering
radial velocity

Keywords

  • astronomy
  • coronagraph
  • exoplanet
  • space telescope
  • WFIRST-AFTA

ASJC Scopus subject areas

  • Space and Planetary Science
  • Mechanical Engineering
  • Electronic, Optical and Magnetic Materials
  • Astronomy and Astrophysics
  • Instrumentation
  • Control and Systems Engineering

Cite this

Coronagraph instrument for WFIRST-AFTA. / Noecker, M. Charley; Zhao, Feng; Demers, Rick; Trauger, John; Guyon, Olivier; Kasdin, N. Jeremy.

In: Journal of Astronomical Telescopes, Instruments, and Systems, Vol. 2, No. 1, 011001, 01.01.2016.

Research output: Contribution to journalArticle

Noecker, M. Charley ; Zhao, Feng ; Demers, Rick ; Trauger, John ; Guyon, Olivier ; Kasdin, N. Jeremy. / Coronagraph instrument for WFIRST-AFTA. In: Journal of Astronomical Telescopes, Instruments, and Systems. 2016 ; Vol. 2, No. 1.
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