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Sökning: WFRF:(Walton E) > Övrigt vetenskapligt/konstnärligt

  • Resultat 1-9 av 9
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1.
  • de Jong, R. S., et al. (författare)
  • 4MOST : Project overview and information for the First Call for Proposals
  • 2019
  • Ingår i: The Messenger. - : European Southern Observatory. - 0722-6691. ; 175, s. 3-11
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
    • We introduce the 4-metre Multi-Object Spectroscopic Telescope (4MOST), a new high-multiplex, wide-field spectroscopic survey facility under development for the four-metre-class Visible and Infrared Survey Telescope for Astronomy (VISTA) at Paranal. Its key specifications are: a large field of view (FoV) of 4.2 square degrees and a high multiplex capability, with 1624 fibres feeding two low-resolution spectrographs (R = λ/Δλ ~ 6500), and 812 fibres transferring light to the high-resolution spectrograph (R ~ 20 000). After a description of the instrument and its expected performance, a short overview is given of its operational scheme and planned 4MOST Consortium science; these aspects are covered in more detail in other articles in this edition of The Messenger. Finally, the processes, schedules, and policies concerning the selection of ESO Community Surveys are presented, commencing with a singular opportunity to submit Letters of Intent for Public Surveys during the first five years of 4MOST operations.
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2.
  • Valenti, S., et al. (författare)
  • PESSTO spectroscopic classification of La Silla-Quest Transients
  • 2012
  • Rapport (övrigt vetenskapligt/konstnärligt)abstract
    • PESSTO is the "Public ESO Spectroscopic Survey of Transient Objects" (http://www.pessto.org) using the ESO New Technology Telescope (NTT) at La Silla and the EFOSC2 (optical) and SOFI (near-IR) spectrographs. It is one of two currently running public spectroscopic surveys at ESO. The survey details are as follows: - PESSTO has 90 nights per year on the NTT: 9 lunations (August to April), 10 nights per lunation (we are not observing May-July).
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  • Walcher, C.~J., et al. (författare)
  • 4MOST Scientific Operations
  • 2019
  • Ingår i: Messenger. - 0722-6691. ; 175, s. 12-16
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
    • The 4MOST instrument is a multi-object spectrograph that will address Galactic and extragalactic science cases simultaneously by observing targets from a large number of different surveys within each science exposure. This parallel mode of operation and the survey nature of 4MOST require some distinct 4MOST- specific operational features within the overall operations model of ESO. The main feature is that the 4MOST Consortium will deliver, not only the instrument, but also contractual services to the user community, which is why 4MOST is also described as a facility. This white paper concentrates on information particularly useful to answering the forthcoming Call for Letters of Intent.
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8.
  • Prusti, T., et al. (författare)
  • A Roadmap for Delivering the Promise of Gaia
  • 2009
  • Ingår i: IProceedings of the International Astronomical Union. IAU Symposium 254. ; , s. 483-486
  • Konferensbidrag (övrigt vetenskapligt/konstnärligt)
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  • Resultat 1-9 av 9

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