Development and construction of MAROON-X
Andreas Seifahrt, Jacob L. Bean, Julian St\"urmer, Luke Gers, Deon S., Grobler, Tony Reed, and Damien J. Jones
TL;DR
MAROON-X is a newly developed high-precision, fiber-fed spectrograph designed for the Magellan Telescopes to detect and characterize rocky exoplanets around M dwarfs with sub-meter per second accuracy.
Contribution
This paper details the design, construction, and calibration approach of MAROON-X, a novel spectrograph optimized for high stability and precision in radial velocity measurements.
Findings
Designed for sub-1 m/s measurement noise floor
Utilizes a commercial echelle spectrograph with custom modifications
Includes a rubidium-referenced etalon comb calibrator
Abstract
We report on the development and construction of a new fiber-fed, red-optical, high-precision radial-velocity spectrograph for one of the twin 6.5m Magellan Telescopes in Chile. MAROON-X will be optimized to find and characterize rocky planets around nearby M dwarfs with an intrinsic per measurement noise floor below 1 m/s. The instrument is based on a commercial echelle spectrograph customized for high stability and throughput. A microlens array based pupil slicer and double scrambler, as well as a rubidium-referenced etalon comb calibrator will turn this spectrograph into a high-precision radial-velocity machine. MAROON-X will undergo extensive lab tests in the second half of 2016.
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