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The Algorithms Behind the HPF and NEID Pipeline

Kaplan, Kyle F. and Bender, Chad F. and Terrien, Ryan C. and Ninan, Joe and Roy, Arpita and Mahadevan, Suvrath (2019) The Algorithms Behind the HPF and NEID Pipeline. In: Astronomical Data Analysis Software and Systems XXVIII. Astronomical Society of the Pacific Conference Series. No.523. Astronomical Society of the Pacific , San Francisco, CA, pp. 567-570. ISBN 978-1-58381-933-3. https://resolver.caltech.edu/CaltechAUTHORS:20191202-091430387

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Abstract

HPF and NEID are new high-resolution stabilized echelle spectrometers at the forefront of using precision radial velocity techniques to search for terrestrial mass exoplanets. High RV precision requires us to carefully consider the algorithms we use in our data reduction and analysis pipeline in order to avoid information loss, data smoothing, or algorithmic noise. We present a brief overview of a few of the algorithms we have chosen to convert unprocessed 2D echellograms into optimally extracted 1D spectra. These algorithms include the use of 2D interpolation that uses polygon clipping to rectify the curvature of the spectra across the detectors and the ability to fully account for aliasing in under-sampled data on the detector using flat lamp spectra as an empirical measurement of the cross-dispersion profiles used to weight our optimal extractions.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
http://aspbooks.org/a/volumes/article_details/?paper_id=39307PublisherArticle
ORCID:
AuthorORCID
Kaplan, Kyle F.0000-0001-6909-3856
Bender, Chad F.0000-0003-4384-7220
Terrien, Ryan C.0000-0002-4788-8858
Ninan, Joe0000-0001-8720-5612
Roy, Arpita0000-0001-8127-5775
Mahadevan, Suvrath0000-0001-9596-7983
Additional Information:© 2019 Astronomical Society of the Pacific. I acknowledge the support from ADASS 2018 in the form of a travel grant, which helped enable me to attend this conference.
Series Name:Astronomical Society of the Pacific Conference Series
Issue or Number:523
Record Number:CaltechAUTHORS:20191202-091430387
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20191202-091430387
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:100130
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:02 Dec 2019 17:19
Last Modified:13 Dec 2019 03:34

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