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  1. OA@INAF
  2. PRODOTTI RICERCA INAF
  3. 3 CONTRIBUTI IN ATTI DI CONVEGNO (Proceedings)
  4. 3.01 Contributi in Atti di convegno
Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.12386/29258
Title: The MICADO first light imager for ELT: its astrometric performance
Authors: Pott, J. -U.
Rodeghiero, G.
Riechert, H.
MASSARI, DAVIDE 
Fabricius, M.
ARCIDIACONO, CARMELO 
Davies, R. I.
Issue Date: 2018
Volume: Ground-based and Airborne Instrumentation for Astronomy VII
Editors: Evans, Christopher J.; Simard, Luc; Takami, Hideki
Series: PROCEEDINGS OF SPIE 
Number: 10702
First Page: 1070290
Abstract: We report on our ongoing efforts to ensure that the MICADO NIR imager reaches differential absolute (often abbreviated: relative) astrometric performance limited by the SNR of typical observations. The exceptional 39m diameter collecting area in combination with a powerful multi-conjugate adaptive optics system (called MAORY) brings the nominal centroiding error, which scales as FWHM/SNR, down to a few 10 μas. Here we show that an exceptional effort is needed to provide a system which delivers adequate and calibrateable astrometric performance over the full field of view (up to 53 arcsec diameter).
Conference Name: Ground-based and Airborne Instrumentation for Astronomy VII
Conference Place: Austin, Texas, United States
Conference Date: 10-15 June, 2018
URI: http://hdl.handle.net/20.500.12386/29258
URL: https://www.spiedigitallibrary.org/conference-proceedings-of-spie/10702/2312069/The-MICADO-first-light-imager-for-ELT--its-astrometric/10.1117/12.2312069.full
ISSN: 0277-786X
ISBN: 9781510619586
DOI: 10.1117/12.2312069
Bibcode ADS: 2018SPIE10702E..90P
Fulltext: open
Appears in Collections:3.01 Contributi in Atti di convegno

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