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Proceedings Paper

Design of the J-PAS and J-PLUS filter systems
Author(s): A. Marín-Franch; S. Chueca; M. Moles; N. Benitez; K. Taylor; J. Cepa; A. J. Cenarro; D. Cristobal-Hornillos; A. Ederoclite; N. Gruel; J. Hernández-Fuertes; A. López-Sainz; R. Luis-Simoes; F. Rueda-Teruel; S. Rueda-Teruel; J. Varela; A. Yanes-Díaz; U. Brauneck; A. Danielou; R. Dupke; A. Fernández-Soto; C. Mendes de Oliveira; L. Sodré
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Paper Abstract

J-PAS (Javalambre-PAU Astrophysical Survey) is a Spanish-Brazilian collaboration to conduct an innovative photometric survey of more than 8000 square degrees of northern sky using a system of 57 filters, 54 narrow-band (FWHM=13.8 nm) filters continuously populating the spectrum between 370 to 920 nm with 10.0 nm steps, plus 3 broad-band filters. Together with the main J-PAS survey, the collaboration is carrying out J-PLUS (the Javalambre Photometric Local Universe Survey), an all-sky survey using a set of 12 carefully optimized broad- and narrow-band filters that will be used to perform the calibration tasks for the main survey. The J-PAS survey will be carried out using JPCam, a 14-CCD mosaic camera using the new e2v 9.2k-by-9.2k, 10μm pixel detectors, mounted on the JST/T250, a dedicated 2.55-m wide-field telescope at the Observatorio Astrofísico de Javalambre (OAJ) in Teruel, Spain. J-PLUS, on the other hand, will be carried out using a wide field CCD camera (the T80Cam) equipped with a large format STA 1600 CCD (10.5k-by-10.5k, 9μm pixel) and mounted on the JAST/T80, a dedicated 0.83-m wide-field telescope at the OAJ. In both cases, the filters will operate close to, but up-stream from the dewar window in a fast converging optical beam. This optical configuration imposes challenging requirements for the J-PLUS and J-PAS filters, some of them requiring the development of new filter design solutions. This paper describes the main requirements and design strategies for these two sets of filters.

Paper Details

Date Published: 13 September 2012
PDF: 6 pages
Proc. SPIE 8450, Modern Technologies in Space- and Ground-based Telescopes and Instrumentation II, 84503S (13 September 2012); doi: 10.1117/12.925430
Show Author Affiliations
A. Marín-Franch, Ctr. de Estudios de Física del Cosmos de Aragón (Spain)
S. Chueca, Ctr. de Estudios de Física del Cosmos de Aragón (Spain)
M. Moles, Ctr. de Estudios de Física del Cosmos de Aragón (Spain)
Instituto de Astrofísica de Andalucía, CSIC (Spain)
N. Benitez, Instituto de Astrofísica de Andalucía, CSIC (Spain)
K. Taylor, Univ. de São Paulo (Brazil)
J. Cepa, Instituto de Astrofísica de Canarias (Spain)
A. J. Cenarro, Ctr. de Estudios de Física del Cosmos de Aragón (Spain)
D. Cristobal-Hornillos, Ctr. de Estudios de Física del Cosmos de Aragón (Spain)
A. Ederoclite, Ctr. de Estudios de Física del Cosmos de Aragón (Spain)
N. Gruel, Ctr. de Estudios de Física del Cosmos de Aragón (Spain)
J. Hernández-Fuertes, Ctr. de Estudios de Física del Cosmos de Aragón (Spain)
A. López-Sainz, Ctr. de Estudios de Física del Cosmos de Aragón (Spain)
R. Luis-Simoes, Ctr. de Estudios de Física del Cosmos de Aragón (Spain)
F. Rueda-Teruel, Ctr. de Estudios de Física del Cosmos de Aragón (Spain)
S. Rueda-Teruel, Ctr. de Estudios de Física del Cosmos de Aragón (Spain)
J. Varela, Ctr. de Estudios de Física del Cosmos de Aragón (Spain)
A. Yanes-Díaz, Ctr. de Estudios de Física del Cosmos de Aragón (Spain)
U. Brauneck, SCHOTT AG (Switzerland)
A. Danielou, SCHOTT AG (Switzerland)
R. Dupke, Observatórió Nacional (Brazil)
A. Fernández-Soto, Instituto de Física de Cantabria (Spain)
C. Mendes de Oliveira, Univ. de São Paulo (Brazil)
L. Sodré, Univ. de São Paulo (Brazil)


Published in SPIE Proceedings Vol. 8450:
Modern Technologies in Space- and Ground-based Telescopes and Instrumentation II
Ramón Navarro; Colin R. Cunningham; Eric Prieto, Editor(s)

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