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The Subaru Seminar is usually held in Room 104 of the Hilo Base Facility, adjacent to the main lobby. Everyone is welcome to attend. If you are interested in giving a seminar, please contact Subaru seminar organizers (Tae-Soo Pyo, Sherry Yeh, Nagayoshi Ohashi) by email : (please change"_at" to @).

September 17, Wednesday, at 11:00 am

" 4.2-m diameter, 2-degrees FoV, 1000 fibres: WEAVE at the WHT "

Cecilia Farina

(Isaac Newton Group of Telescopes)

The William Herschel Telescope (WHT), located at the Roque de Los Muchachos Observatory (La Palma), is a 4.2-m telescope equipped with a variety of instruments for optical and near infra-red observations. Since WHT first light, in the end of the '80, the global astronomical landscape has evolved. On one hand plans are underway for the construction of the next generation of giant telescopes. On the other hand, astronomical studies have been developing in the 'survey mode', which opens a complete new chapter in the way of studying the universe. Therefore, it is time to re-evaluate the part and new work spaces of the existing observational facilities in this scenario. Middle size telescopes, can play important role as they can deliver efficient capability for wide-field astronomy from which survey projects greatly benefits. Indeed, large-scale surveys with wide-field highly-multiplexed spectrographs are necessary to complement and exploit ground-based imaging surveys such as LSST, Pan-Starrs, SDSS, UKIRT and VISTA, radio surveys such as APERTIF, ASKAP, LOFAR, MeerKAT and SKA, and space-based surveys such as Gaia, EUCLID, eROSITA, and WFIRST. The WHT is getting ready to contribute to this by the end of 2017 with WEAVE: a wide-field (2-degrees), multi-object spectrograph fed with 1000 fibres. WEAVE will deliver spectra at R~5,000 in the range of 370 nm to 1000 nm and higher resolution spectra of R~20,000 over smaller wavelength ranges. It will be also equipped with a series of mini-IFUs and a monolithic large-IFU. In this talk I will speak about WEAVE at theWHT and the promising future ahead.

Seminars are also held at JAC, CFHT, and IfA.

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