English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Plus monthly

Global: Zendy Tools annual

Global: Zendy Tools monthly

Global: Zendy Free Plan

The Keck Planet Imager and Characterizer (KPIC) is an upgrade to the Keck IIadaptive optics system enabling high contrast imaging and high-resolutionspectroscopic characterization of giant exoplanets in the mid-infrared (2-5microns). The KPIC instrument will be developed in phases. Phase I entails theinstallation of an infrared pyramid wavefront sensor (PyWFS) based on a fast,low-noise SAPHIRA IR-APD array. The ultra-sensitive infrared PyWFS will enablehigh contrast studies of infant exoplanets around cool, red, and/or obscuredtargets in star forming regions. In addition, the light downstream of the PyWFSwill be coupled into an array of single-mode fibers with the aid of an activefiber injection unit (FIU). In turn, these fibers route light to Keck'shigh-resolution infrared spectrograph NIRSPEC, so that high dispersioncoronagraphy (HDC) can be implemented for the first time. HDC optimally pairshigh contrast imaging and high-resolution spectroscopy allowing detailedcharacterization of exoplanet atmospheres, including molecular composition,spin measurements, and Doppler imaging.  Here we provide an overview of the instrument, its science scope, and reporton recent results from on-sky commissioning of Phase I. The instrument designand techniques developed will be key for more advanced instrument conceptsneeded for the extremely large telescopes of the future.

The Keck Planet Imager and Characterizer: Demonstrating advanced exoplanet characterization techniques for future extremely large telescopes