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Träfflista för sökning "WFRF:(Schmidt Siegfried J.) "

Sökning: WFRF:(Schmidt Siegfried J.)

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1.
  • Brucalassi, Anna, et al. (författare)
  • Full System Test and early Preliminary Acceptance Europe results for CRIRES
  • 2018
  • Ingår i: Ground-Based And Airborne Instrumentation For Astronomy VII. - : SPIE. - 9781510619586
  • Konferensbidrag (refereegranskat)abstract
    • CRIRES+ is the new high-resolution NIR echelle spectrograph intended to be operated at the platform B of VLT Unit telescope UT3. It will cover from Y to M bands (0.95-5.3um) with a spectral resolution of R = 50000 or R = 100000. The main scientific goals are the search of super-Earths in the habitable zone of low-mass stars, the characterisation of transiting planets atmosphere and the study of the origin and evolution of stellar magnetic fields. Based on the heritage of the old adaptive optics (AO) assisted VLT instrument CRIRES, the new spectrograph will present improved optical layout, a new detector system and a new calibration unit providing optimal performances in terms of simultaneous wavelength coverage and radial velocity accuracy (a few m/s). The total observing efficiency will be enhanced by a factor of 10 with respect to CRIRES. An innovative spectro-polarimetry mode will be also offered and a new metrology system will ensure very high system stability and repeatability. Fiinally, the CRIRES+ project will also provide the community with a new data reduction software (DRS) package. CRIRES+ is currently at the initial phase of its Preliminary Acceptance in Europe (PAE) and it will be commissioned early in 2019 at VLT. This work outlines the main results obtained during the initial phase of the full system test at ESO HQ Garching.
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2.
  • Kjellman, Arne, et al. (författare)
  • Open Peer Commentaries
  • 2008
  • Ingår i: Constructivist Foundations. - : ALEXANDER RIEGLER. - 1782-348X. ; 3:2, s. 65-108
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
    • Open peer commentary on the target article "Who Conceives of Society?" by Ernst von Glasersfeld. First paragraph: Ernst von Glasersfeld sets out to explain how familiar patterns (signs) arise in private experience - and how they are extracted or " recognized" as such. These patterns are recursive, which imposes significance (familiarity) on them, and are, in the course of time, collected into a " bulk of experience." I think a convinced constructivist can - if hesitantly - accept his rendering, even though it is one that lacks the stringency one expects from a supposedly natural scientist ( 46). However, the crucial point is that this paper does not address the convinced constructivist but rather the opposite camps, and I doubt he succeeds in convincing them.
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