Analysis of LBT LINC-NIRVANA simulated images of galaxies

Paolo Ciliegi; Andrea La Camera; Carmelo Arcidiacono; Mario Bertero; Patrizia Boccacci; Emiliano Diolaiti; Italo Foppiani; Matteo Lombini; Laura Schreiber

doi:10.1117/12.856951

21 July 2010 Analysis of LBT LINC-NIRVANA simulated images of galaxies

Paolo Ciliegi, Andrea La Camera, Carmelo Arcidiacono, Mario Bertero, Patrizia Boccacci, Emiliano Diolaiti, Italo Foppiani, Matteo Lombini, Laura Schreiber

Author Affiliations +

Proceedings Volume 7734, Optical and Infrared Interferometry II; 77342G (2010) https://doi.org/10.1117/12.856951
Event: SPIE Astronomical Telescopes + Instrumentation, 2010, San Diego, California, United States

Abstract

LINC-NIRVANA (LN) is a Fizeau interferometer that will provide coherent images in the near-IR combining the beams from the two Large Binocular Telescope (LBT) arms, by adopting a Multi-Conjugate Adaptive Optics system (MCAO) that allows for atmospheric turbulence compensation. We applied the software AIRY-LN for the simulation and the reconstruction of LN images in order to investigate the dependence of the image quality from the magnitude of the star used for the PSF extraction. A good knowledge of this dependence is a crucial point for the LN observations, especially for the extragalactic target where the presence of a bright psf-star within the LN field of view of 10×10 arcsec is not granted. Our results, although still preliminary, show that while from the morphological point of view the use of psf-star up to a magnitude of 18 is still acceptable, from the photometric point of view the use of psf-star fainter than Ks ~ 16 mag could cause considerable problems.

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Paolo Ciliegi, Andrea La Camera, Carmelo Arcidiacono, Mario Bertero, Patrizia Boccacci, Emiliano Diolaiti, Italo Foppiani, Matteo Lombini, and Laura Schreiber "Analysis of LBT LINC-NIRVANA simulated images of galaxies", Proc. SPIE 7734, Optical and Infrared Interferometry II, 77342G (21 July 2010); https://doi.org/10.1117/12.856951

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