Attaining m s⁻¹ level intrinsic Doppler precision with RHEA, a low-cost single-mode spectrograph
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Feger, Tobias; Ireland, Michael; Schwab, Christian; Bento, Joao; Bacigalupo, Carlos; Coutts, David W.
Description
We present RHEA, a compact and inexpensive single-mode spectrograph which is built to exploit the capabilities of modest-sized telescopes in an economic way. The instrument is fed by up to seven optical waveguides with the aim of achieving an efficient and modal-noise-free unit, suitable for attaining extreme Doppler precision. The cross-dispersed layout features a wavelength coverage from 430-650 nm, with spectral resolution of R∼75,000. When coupled to small telescopes using fast tip/tilt...[Show more]
Collections | ANU Research Publications |
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Date published: | 2016 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/154844 |
Source: | Experimental Astronomy |
DOI: | 10.1007/s10686-016-9510-5 |
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Feger2016_Article_AttainingMS1LevelIntrinsicDopp.pdf | 3.21 MB | Adobe PDF | Request a copy |
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