Precision single mode fibre integral field spectroscopy with the RHEA spectrograph

Adam D. Rains; Michael J. Ireland; Nemanja Jovanovic; Tobias Feger; Joao Bento; Christian Schwab; David W. Coutts; Olivier Guyon; Alexander Arriola; Simon Gross

doi:10.1117/12.2233743

9 August 2016 Precision single mode fibre integral field spectroscopy with the RHEA spectrograph

Adam D. Rains, Michael J. Ireland, Nemanja Jovanovic, Tobias Feger, Joao Bento, Christian Schwab, David W. Coutts, Olivier Guyon, Alexander Arriola, Simon Gross

Author Affiliations +

Proceedings Volume 9908, Ground-based and Airborne Instrumentation for Astronomy VI; 990876 (2016) https://doi.org/10.1117/12.2233743
Event: SPIE Astronomical Telescopes + Instrumentation, 2016, Edinburgh, United Kingdom

Abstract

The 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 8.2m 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.

Citation Download Citation

Adam 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 (9 August 2016); https://doi.org/10.1117/12.2233743

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available