Delorme, Jacques-Robert and Jovanovic, Nemanja and Echeverri, Daniel and Mawet, Dimitri P. and Wallace, J. Kent and Bartos, Randall D. and Cetre, Sylvain and Wizinowich, Peter and Ragland, Sam and Wang, Jason and Ruffio, Jean Baptist and Lilley, Scott and Wetherell, Edward and Doppmann, Greg and Fitzgerald, Michael and Ruane, Garreth and Shofield, Tobias and Calvin, Benjamin and Morris, Evan and Pezzato, Jacklyn and Llop Sayson, Jorge and Magnone, Ken and Johnson, Chris and Shohn, Jiman and Bond, Charlotte Z. and Chun, Mark and Suominen, Nick and Skemer, Andy (2020) The Keck Planet Imager and Characterizer: A dedicated single-mode fiber injection unit for high resolution exoplanet spectroscopy. In: Ground-based and Airborne Instrumentation for Astronomy VIII. Proceedings of SPIE. No.11447. Society of Photo-Optical Instrumentation Engineers (SPIE) , Bellingham, WA, Art. No. 114471P. ISBN 9781510636811. https://resolver.caltech.edu/CaltechAUTHORS:20210104-152311891
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Abstract
The Keck Planet Imager and Characterizer (KPIC) is a purpose-built instrument to demonstrate new tech- nological and instrumental concepts initially developed for the exoplanet direct imaging field. Located downstream of the current Keck II adaptive optic system, KPIC contains a fiber injection unit (FIU) capable of combining the high-contrast imaging capability of the adaptive optic system with the high dispersion spectroscopy capability of the current Keck high resolution infrared spectrograph (NIRSPEC). Deployed at Keck in September 2018, this instrument has already been used to acquire high resolution spectra (R < 35, 000) of multiple targets of interest. In the near term, it will be used to spectrally characterize known directly imaged exoplanets and low-mass brown dwarf companions visible in the northern hemisphere with a spectral resolution high enough to enable spin and planetary radial velocity measurements as well as Doppler imaging of atmospheric weather phenomena. Here we present the design of the FIU, the unique calibration procedures needed to operate a single-mode fiber instrument and the system performance.
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| Additional Information: | © 2020 Society of Photo-Optical Instrumentation Engineers (SPIE). This work was supported by the Heising-Simons Foundation through grant #2019-1312. W. M. Keck Observatory is operated as a scientific partnership among the California Institute of Technology, the University of California, and the National Aeronautics and Space Administration (NASA). The Observatory was made possible by the generous financial support of the W. M. Keck Foundation. The authors wish to recognize and acknowledge the very significant cultural role and reverence that the summit of Mauna Kea has always had within the indigenous Hawaiian community. We are most fortunate to have the opportunity to conduct observations from this mountain. | ||||||||||||||||||||||||||
| Group: | Astronomy Department | ||||||||||||||||||||||||||
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| Subject Keywords: | Instrumentation, W. M. Keck Observatory, Exoplanets, High contrast imaging, High dispersion coronagraphy, High resolution spectroscopy | ||||||||||||||||||||||||||
| Series Name: | Proceedings of SPIE | ||||||||||||||||||||||||||
| Issue or Number: | 11447 | ||||||||||||||||||||||||||
| DOI: | 10.1117/12.2562836 | ||||||||||||||||||||||||||
| Record Number: | CaltechAUTHORS:20210104-152311891 | ||||||||||||||||||||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20210104-152311891 | ||||||||||||||||||||||||||
| Official Citation: | Jacques-Robert Delorme, Nemanja Jovanovic, Daniel Echeverri, Dimitri Mawet, J. Kent Wallace, Randall D. Bartos, Sylvain Cetre, Peter Wizinowich, Sam Ragland, Jason Wang, Jean-Baptiste Ruffio, Scott Lilley, Edward Wethrell, Greg Doppmann, Michael Fitzgerald, Garreth Ruane, Tobias Schofield, Benjamin Calvin, Evan Morris, Jacklyn Pezzato, Jorge Llop Sayson, Ken Magnone, Chris Johnson, Jiman Shohn, Charlotte Z. Bond, Mark Chun, Nick Suominen, and Andy Skemer "The Keck Planet Imager and Characterizer: A dedicated single-mode fiber injection unit for high resolution exoplanet spectroscopy", Proc. SPIE 11447, Ground-based and Airborne Instrumentation for Astronomy VIII, 114471P (13 December 2020); https://doi.org/10.1117/12.2562836 | ||||||||||||||||||||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||||||||||||||||||||
| ID Code: | 107298 | ||||||||||||||||||||||||||
| Collection: | CaltechAUTHORS | ||||||||||||||||||||||||||
| Deposited By: | Tony Diaz | ||||||||||||||||||||||||||
| Deposited On: | 04 Jan 2021 23:57 | ||||||||||||||||||||||||||
| Last Modified: | 16 Sep 2021 17:05 |
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