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Proceedings Paper

SNAP near infrared detectors
Author(s): Gregory Tarle; Carl W. Akerlof; Greg Aldering; R. Amanullah; Pierre Astier; E. Barrelet; Christopher Bebek; Lars Bergstrom; John Bercovitz; Gary M. Bernstein; Manfred Bester; Alain Bonissent; C. R. Bower; Mark L. Brown; William C. Carithers; Eugene D. Commins; C. Day; Susana E. Deustua; Richard S. DiGennaro; Anne Ealet; Richard S. Ellis; Mikael Eriksson; Andrew Fruchter; Jean-Francois Genat; Gerson Goldhaber; Ariel Goobar; Donald E. Groom; Stewart E. Harris; Peter R. Harvey; Henry D. Heetderks; Steven E. Holland; Dragan Huterer; Armin Karcher; Alex G. Kim; William F. Kolbe; B. Krieger; R. Lafever; J. Lamoureux; Michael L. Lampton; Michael E. Levi; Daniel S. Levin; Eric V. Linder; Stewart C. Loken; Roger Malina; R. Massey; Ramon Miquel; Timothy McKay; Shawn P. McKee; E. Moertsell; N. Mostek; Stuart Mufson; J. A. Musser; Peter E. Nugent; Hakeem M. Oluseyi; Reynald Pain; Nicholas P. Palaio; David H. Pankow; Saul Perlmutter; R. Pratt; Eric Prieto; Alexandre Refregier; Jason Rhodes; Kem Edward Robinson; N. Roe; Michael S. Schubnell; Michael Sholl; G. Smadja; George F. Smoot; Anthony Spadafora; Andrew D. Tomasch; D. Vincent; H. von der Lippe; J.-P. Walder; Guobin Wang
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Paper Abstract

The SuperNova/Acceleration Probe (SNAP) will measure precisely the cosmological expansion history over both the acceleration and deceleration epochs and thereby constrain the nature of the dark energy that dominates our universe today. The SNAP focal plane contains equal areas of optical CCDs and NIR sensors and an integral field spectrograph. Having over 150 million pixels and a field-of-view of 0.34 square degrees, the SNAP NIR system will be the largest yet constructed. With sensitivity in the range 0.9-1.7 μm, it will detect Type Ia supernovae between z = 1 and 1.7 and will provide follow-up precision photometry for all supernovae. HgCdTe technology, with a cut-off tuned to 1.7 μm, will permit passive cooling at 140 K while maintaining noise below zodiacal levels. By dithering to remove the effects of intrapixel variations and by careful attention to other instrumental effects, we expect to control relative photometric accuracy below a few hundredths of a magnitude. Because SNAP continuously revisits the same fields we will be able to achieve outstanding statistical precision on the photometry of reference stars in these fields, allowing precise monitoring of our detectors. The capabilities of the NIR system for broadening the science reach of SNAP are discussed.

Paper Details

Date Published: 5 March 2003
PDF: 8 pages
Proc. SPIE 4850, IR Space Telescopes and Instruments, (5 March 2003); doi: 10.1117/12.461774
Show Author Affiliations
Gregory Tarle, Univ. of Michigan (United States)
Carl W. Akerlof, Univ. of Michigan (United States)
Greg Aldering, Lawrence Berkeley National Lab. (United States)
R. Amanullah, Univ. of Stockholm (Sweden)
Pierre Astier, CNRS/IN2P3/LPNHE (France)
E. Barrelet, CNRS/IN2P3/LPNHE (France)
Christopher Bebek, Lawrence Berkeley National Lab. (United States)
Lars Bergstrom, Univ. of Stockholm (Sweden)
John Bercovitz, Lawrence Berkeley National Lab. (United States)
Gary M. Bernstein, Univ. of Pennsylvania (United States)
Manfred Bester, Univ. of California/Berkeley (United States)
Alain Bonissent, CNRS/IN2P3/CCPM (France)
C. R. Bower, Indiana Univ. (United States)
Mark L. Brown, Univ. of Michigan (United States)
William C. Carithers, Lawrence Berkeley National Lab. (United States)
Eugene D. Commins, Univ. of California/Berkeley (United States)
C. Day, Lawrence Berkeley National Lab. (United States)
Susana E. Deustua, American Astronomical Society (United States)
Richard S. DiGennaro, Lawrence Berkeley National Lab. (United States)
Anne Ealet, CNRS/IN2P3/CCPM (France)
Richard S. Ellis, California Institute of Technology (United States)
Mikael Eriksson, Univ. of Stockholm (Sweden)
Andrew Fruchter, Space Telescope Science Institute (United States)
Jean-Francois Genat, CNRS/IN2P3/LPNHE (France)
Gerson Goldhaber, Univ. of California/Berkeley (United States)
Ariel Goobar, Univ. of Stockholm (Sweden)
Donald E. Groom, Lawrence Berkeley National Lab. (United States)
Stewart E. Harris, Univ. of California/Berkeley (United States)
Peter R. Harvey, Univ. of California/Berkeley (United States)
Henry D. Heetderks, Univ. of California/Berkeley (United States)
Steven E. Holland, Lawrence Berkeley National Lab. (United States)
Dragan Huterer, Case Western Reserve Univ. (United States)
Armin Karcher, Lawrence Berkeley National Lab. (United States)
Alex G. Kim, Lawrence Berkeley National Lab. (United States)
William F. Kolbe, Lawrence Berkeley National Lab. (United States)
B. Krieger, Lawrence Berkeley National Lab. (United States)
R. Lafever, Lawrence Berkeley National Lab. (United States)
J. Lamoureux, Lawrence Berkeley National Lab. (United States)
Michael L. Lampton, Univ. of California/Berkeley (United States)
Michael E. Levi, Lawrence Berkeley National Lab. (United States)
Daniel S. Levin, Univ. of Michigan (United States)
Eric V. Linder, Lawrence Berkeley National Lab. (United States)
Stewart C. Loken, Lawrence Berkeley National Lab. (United States)
Roger Malina, Lab. d'Astrophysique de Marseille (France)
R. Massey, Cambridge Univ. (United Kingdom)
Ramon Miquel, Lawrence Berkeley National Lab. (United States)
Timothy McKay, Univ. of Michigan (United States)
Shawn P. McKee, Univ. of Michigan (United States)
E. Moertsell, Univ. of Stockholm (Sweden)
N. Mostek, Indiana Univ. (United States)
Stuart Mufson, Indiana Univ. (United States)
J. A. Musser, Indiana Univ. (United States)
Peter E. Nugent, Lawrence Berkeley National Lab. (United States)
Hakeem M. Oluseyi, Lawrence Berkeley National Lab. (United States)
Reynald Pain, CNRS/IN2P3/LPNHE (France)
Nicholas P. Palaio, Lawrence Berkeley National Lab. (United States)
David H. Pankow, Univ. of California/Berkeley (United States)
Saul Perlmutter, Lawrence Berkeley National Lab. (United States)
R. Pratt, Univ. of California/Berkeley (United States)
Eric Prieto, Lab. d'Astrophysique de Marseille (France)
Alexandre Refregier, Cambridge Univ. (United Kingdom)
Jason Rhodes, NASA Goddard Space Flight Ctr. (United States)
Kem Edward Robinson, Lawrence Berkeley National Lab. (United States)
N. Roe, Lawrence Berkeley National Lab. (United States)
Michael S. Schubnell, Univ. of Michigan (United States)
Michael Sholl, Univ. of California/Berkeley (United States)
G. Smadja, CNRS/IN2P3/IPNL (France)
George F. Smoot, Univ. of California/Berkeley (United States)
Anthony Spadafora, Lawrence Berkeley National Lab. (United States)
Andrew D. Tomasch, Univ. of Michigan (United States)
D. Vincent, CNRS/IN2P3/LPNHE (France)
H. von der Lippe, Lawrence Berkeley National Lab. (United States)
J.-P. Walder, Lawrence Berkeley National Lab. (United States)
Guobin Wang, Lawrence Berkeley National Lab. (United States)


Published in SPIE Proceedings Vol. 4850:
IR Space Telescopes and Instruments
John C. Mather, Editor(s)

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