Gemini planet imager observational calibrations III: empirical measurement methods and applications of high-resolution microlens PSFs

Patrick Ingraham; Jean-Baptiste Ruffio; Marshall D. Perrin; Schuyler G. Wolff; Zachary H. Draper; Jerome Maire; Franck Marchis; Vincent Fesquet

doi:10.1117/12.2055283

14 July 2014 Gemini planet imager observational calibrations III: empirical measurement methods and applications of high-resolution microlens PSFs

Patrick Ingraham, Jean-Baptiste Ruffio, Marshall D. Perrin, Schuyler G. Wolff, Zachary H. Draper, Jerome Maire, Franck Marchis, Vincent Fesquet

Author Affiliations +

Proceedings Volume 9147, Ground-based and Airborne Instrumentation for Astronomy V; 91477K (2014) https://doi.org/10.1117/12.2055283
Event: SPIE Astronomical Telescopes + Instrumentation, 2014, Montréal, Quebec, Canada

Abstract

The newly commissioned Gemini Planet Imager (GPI) combines extreme adaptive optics, an advanced coronagraph, precision wavefront control and a lenslet-based integral field spectrograph (IFS) to measure the spectra of young extrasolar giant planets between 0.9-2.5 μm. Each GPI detector image, when in spectral model, consists of ~37,000 microspectra which are under or critically sampled in the spatial direction. This paper demonstrates how to obtain high-resolution microlens PSFs and discusses their use in enhancing the wavelength calibration, flexure compensation and spectral extraction. This method is generally applicable to any lenslet-based integral field spectrograph including proposed future instrument concepts for space missions.

Citation Download Citation

Patrick Ingraham, Jean-Baptiste Ruffio, Marshall D. Perrin, Schuyler G. Wolff, Zachary H. Draper, Jerome Maire, Franck Marchis, and Vincent Fesquet "Gemini planet imager observational calibrations III: empirical measurement methods and applications of high-resolution microlens PSFs", Proc. SPIE 9147, Ground-based and Airborne Instrumentation for Astronomy V, 91477K (14 July 2014); https://doi.org/10.1117/12.2055283

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available