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HARS3 for a Roboticized Isaac Newton Telescope
Univ Cambridge, Cavendish Lab, Astrophys Grp, JJ Thomson Ave, Cambridge, England..
Univ Cambridge, Cavendish Lab, Astrophys Grp, JJ Thomson Ave, Cambridge, England.;Univ Geneva, Observ Astronom, 51 Ch Maillettes, Versoix, Switzerland..
Univ Exeter, Phys & Astron, Exeter EX4 4QL, Devon, England..
Univ Exeter, Phys & Astron, Exeter EX4 4QL, Devon, England..
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2016 (English)In: GROUND-BASED AND AIRBORNE INSTRUMENTATION FOR ASTRONOMY VI, 2016, Vol. 9908, UNSP 99086FConference paper (Refereed)
Abstract [en]

We present a description of a new instrument development, HARPS3, planned to be installed on an upgraded and roboticized Isaac Newton Telescope by end-2018. HARPS3 will be a high resolution (R similar or equal to 115,000) echelle spectrograph with a wavelength range from 380-690 nm. It is being built as part of the Terra Hunting Experiment {a future 10 year radial velocity measurement programme to discover Earth-like exoplanets. The instrument design is based on the successful HARPS spectrograph on the 3.6m ESO telescope and HARPS-N on the TNG telescope. The main changes to the design in HARPS3 will be: a customised fibre adapter at the Cassegrain focus providing a stabilised beam feed and on-sky fibre diameter approximate to 1.4 arcsec, the implementation of a new continuous flow cryostat to keep the CCD temperature very stable, detailed characterisation of the HARPS3 CCD to map the effective pixel positions and thus provide an improved accuracy wavelength solution, an optimised integrated polarimeter and the instrument integrated into a robotic operation. The robotic operation will optimise our programme which requires our target stars to be measured on a nightly basis. We present an overview of the entire project, including a description of our anticipated robotic operation.

Place, publisher, year, edition, pages
2016. Vol. 9908, UNSP 99086F
Series
Proceedings of SPIE, ISSN 0277-786X ; 9908
Keyword [en]
High resolution spectroscopy, robotic operations, RV measurements, exoplanets
National Category
Astronomy, Astrophysics and Cosmology
Identifiers
URN: urn:nbn:se:uu:diva-316361DOI: 10.1117/12.2232111ISI: 000391509100184ISBN: 978-1-5106-0196-3 OAI: oai:DiVA.org:uu-316361DiVA: diva2:1078204
Conference
Conference on Ground-Based and Airborne Instrumentation for Astronomy VI, JUN 26-30, 2016, Edinburgh, SCOTLAND
Available from: 2017-03-02 Created: 2017-03-02 Last updated: 2017-03-02Bibliographically approved

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Citation style
  • apa
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