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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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| File | Description | Size | Format | |
|---|---|---|---|---|
| SPIE1070290.pdf | Pdf editoriale | 251.59 kB | Adobe PDF | View/Open |
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