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  The MICADO first light imager for ELT: its astrometric performance

Pott, J.-.-U., Rodeghiero, G., Riechert, H., Massari, D., Fabricius, M., Arcidiacono, C., et al. (2018). The MICADO first light imager for ELT: its astrometric performance.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0005-CBAC-5 Version Permalink: https://hdl.handle.net/21.11116/0000-0005-CBAD-4
Genre: Proceedings

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https://ui.adsabs.harvard.edu/abs/2018SPIE10702E..90P (Any fulltext)
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 Creators:
Pott, J. -U.1, Author
Rodeghiero, G.1, Author
Riechert, H.1, Author
Massari, D.1, Author
Fabricius, M.1, Author
Arcidiacono, C.1, Author
Davies, R. I.1, Author
Affiliations:
1Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners, ou_2421692              

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Free keywords: Astrophysics - Instrumentation and Methods for Astrophysics
 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).

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 Dates: 2018
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: ISBN: 9781510619579
 Degree: -

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Title: Ground-based and Airborne Instrumentation for Astronomy VII
Place of Event: -
Start-/End Date: 2018

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