Precision single mode fibre integral field spectroscopy with the RHEA spectrograph
AuthorRains, Adam D.
Ireland, Michael J.
Coutts, David W.
AffiliationUniv Arizona, Coll Opt Sci
MetadataShow full item record
PublisherSPIE-INT SOC OPTICAL ENGINEERING
CitationAdam D. Rains ; Michael J. Ireland ; Nemanja Jovanovic ; Tobias Feger ; Joao Bento ; Christian Schwab ; David W. Coutts ; Olivier Guyon ; Alexander Arriola and Simon Gross " Precision single mode fibre integral field spectroscopy with the RHEA spectrograph ", Proc. SPIE 9908, Ground-based and Airborne Instrumentation for Astronomy VI, 990876 (August 9, 2016); doi:10.1117/12.2233743; http://dx.doi.org/10.1117/12.2233743
Rights© 2016 SPIE
Collection InformationThis item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at firstname.lastname@example.org.
AbstractThe RHEA Spectrograph is a single-mode echelle spectrograph designed to be a replicable and cost effective method of undertaking precision radial velocity measurements. Two versions of RHEA currently exist, one located at the Australian National University in Canberra, Australia (450 - 600nm wavelength range), and another located at the Subaru Telescope in Hawaii, USA (600 - 800 nm wavelength range). Both instruments have a novel fibre feed consisting of an integral field unit injecting light into a 2D grid of single mode fibres. This grid of fibres is then reformatted into a 1D array at the input of the spectrograph (consisting of the science fibres and a reference fibre capable of receiving a white-light or xenon reference source for simultaneous calibration). The use of single mode fibres frees RHEA from the issue of modal noise and significantly reduces the size of the optics used. In addition to increasing the overall light throughput of the system, the integral field unit allows for cutting edge science goals to be achieved when operating behind the 8.2 m Subaru Telescope and the SCExAO adaptive optics system. These include, but are not limited to: resolved stellar photospheres; resolved protoplanetary disk structures; resolved Mira shocks, dust and winds; and sub-arcsecond companions. We present details and results of early tests of RHEA Subaru and progress towards the stated science goals.
VersionFinal published version
SponsorsAustralian Research Council [DP120103751]; Research School of Astronomy and Astrophysics; Australian National University