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  • Seemann, U. (author)

Wavelength calibration from 1-5 mu m for the CRIRES plus high-resolution spectrograph at the VLT

  • Article/chapterEnglish2014

Publisher, publication year, extent ...

  • SPIE,2014
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:uu-257492
  • https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-257492URI
  • https://doi.org/10.1117/12.2056668DOI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

Classification

  • Subject category:ref swepub-contenttype
  • Subject category:kon swepub-publicationtype

Notes

  • CRIRES at the VLT is one of the few adaptive optics enabled instruments that offer a resolving power of 10 5 from 1 - 5 mu m. An instrument upgrade (CRIRES+) is proposed to implement cross-dispersion capabilities, spectro-polarimetry modes, a new detector mosaic, and a new gas absorption cell. CRIRES+ will boost the simultaneous wavelength coverage of the current instrument (similar to lambda/70 in a single-order) by a factor of greater than or similar to 10 in the cross-dispersed configuration, while still retaining a 10 arcsec slit suitable for long-slit spectroscopy. CRIRES+ dramatically enhances the instrument's observing efficiency, and opens new scientific opportunities. These include high-precision radial-velocity studies on the 3m/s level to characterize extra-solar planets and their athmospheres, which demand for specialized, highly accurate wavelength calibration techniques. In this paper, we present a newly developed absorption gas-cell to enable high-precision wavelength calibration for CRIRES+. We also discuss the strategies and developments to cover the full operational spectral range (1-5 mu m), employing hollow-cathode emission lamps, Fabry-Perot etalons, and absorption gas-cells.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Anglada-Escude, G. (author)
  • Baade, D. (author)
  • Bristow, P. (author)
  • Dorn, R. J. (author)
  • Follert, R. (author)
  • Gojak, D. (author)
  • Grunhut, J. (author)
  • Hatzes, A. P. (author)
  • Heiter, UlrikeUppsala universitet,Observationell astrofysik(Swepub:uu)ulhei450 (author)
  • Ives, D. J. (author)
  • Jeep, P. (author)
  • Jung, Y. (author)
  • Kaeufl, H. -U (author)
  • Kerber, F. (author)
  • Klein, B. (author)
  • Lizon, J. -L (author)
  • Lockhart, M. (author)
  • Loewinger, T. (author)
  • Marquart, ThomasUppsala universitet,Observationell astrofysik(Swepub:uu)thmar499 (author)
  • Oliva, E. (author)
  • Paufique, J. (author)
  • Piskunov, NikolaiUppsala universitet,Observationell astrofysik(Swepub:uu)nikopisk (author)
  • Pozna, E. (author)
  • Reiners, A. (author)
  • Smette, A. (author)
  • Smoker, J. (author)
  • Stempels, EricUppsala universitet,Observationell astrofysik(Swepub:uu)ericstem (author)
  • Valenti, E. (author)
  • Uppsala universitetObservationell astrofysik (creator_code:org_t)

Related titles

  • In:GROUND-BASED AND AIRBORNE INSTRUMENTATION FOR ASTRONOMY V: SPIE9780819496157

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