VIS: the visible imager for Euclid

Mark Cropper; R. Cole; A. James; Y. Mellier; J. Martignac; A.-M. Di Giorgio; S. Paltani; L. Genolet; J.-J. Fourmond; C. Cara; J. Amiaux; P. Guttridge; D. Walton; P. Thomas; K. Rees; P. Pool; J. Endicott; A. Holland; J. Gow; N. Murray; L. Duvet; J.-L. Augueres; R Laureijs; P. Gondoin; T. Kitching; R. Massey; H. Hoekstra

doi:10.1117/12.927241

21 September 2012 VIS: the visible imager for Euclid

Mark Cropper, R. Cole, A. James, Y. Mellier, J. Martignac, A.-M. Di Giorgio, S. Paltani, L. Genolet, J.-J. Fourmond, C. Cara, J. Amiaux, P. Guttridge, D. Walton, P. Thomas, K. Rees, P. Pool, J. Endicott, A. Holland, J. Gow, N. Murray, L. Duvet, J.-L. Augueres, R Laureijs, P. Gondoin, T. Kitching, R. Massey, H. Hoekstra

Author Affiliations +

Proceedings Volume 8442, Space Telescopes and Instrumentation 2012: Optical, Infrared, and Millimeter Wave; 84420V (2012) https://doi.org/10.1117/12.927241
Event: SPIE Astronomical Telescopes + Instrumentation, 2012, Amsterdam, Netherlands

Abstract

Euclid-VIS is a large format visible imager for the ESA Euclid space mission in their Cosmic Vision program, scheduled for launch in 2019. Together with the near infrared imaging within the NISP instrument it forms the basis of the weak lensing measurements of Euclid. VIS will image in a single r+i+z band from 550-900 nm over a field of view of ~0.5 deg². By combining 4 exposures with a total of 2240 sec, VIS will reach to V=24.5 (10σ) for sources with extent ~0.3 arcsec. The image sampling is 0.1 arcsec. VIS will provide deep imaging with a tightly controlled and stable point spread function (PSF) over a wide survey area of 15000 deg² to measure the cosmic shear from nearly 1.5 billion galaxies to high levels of accuracy, from which the cosmological parameters will be measured. In addition, VIS will also provide a legacy imaging dataset with an unprecedented combination of spatial resolution, depth and area covering most of the extra-Galactic sky. Here we will present the results of the study carried out by the Euclid Consortium during the Euclid Definition phase.

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Mark Cropper, R. Cole, A. James, Y. Mellier, J. Martignac, A.-M. Di Giorgio, S. Paltani, L. Genolet, J.-J. Fourmond, C. Cara, J. Amiaux, P. Guttridge, D. Walton, P. Thomas, K. Rees, P. Pool, J. Endicott, A. Holland, J. Gow, N. Murray, L. Duvet, J.-L. Augueres, R Laureijs, P. Gondoin, T. Kitching, R. Massey, and H. Hoekstra "VIS: the visible imager for Euclid", Proc. SPIE 8442, Space Telescopes and Instrumentation 2012: Optical, Infrared, and Millimeter Wave, 84420V (21 September 2012); https://doi.org/10.1117/12.927241

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