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Proceedings Paper

Overview of the SuperNova/Acceleration Probe (SNAP)
Author(s): Greg Aldering; Carl W. Akerlof; R. Amanullah; Pierre Astier; E. Barrelet; Christopher Bebek; Lars Bergstrom; John Bercovitz; Gary M. Bernstein; Manfred Bester; Alain Bonissent; Charles Bower; 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; James C. Lamoreux; Michael L. Lampton; Michael E. Levi; Daniel S. Levin; Eric V. Linder; Stewart C. Loken; Roger Malina; R. Massey; Timothy McKay; Shawn P. McKee; Ramon Miquel; 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; J. Rhodes; Kem Edward Robinson; N. Roe; Michael Sholl; Michael S. Schubnell; G. Smadja; George F. Smoot; Anthony Spadafora; Gregory Tarle; Andrew D. Tomasch; H. von der Lippe; D. Vincent; J.-P. Walder; Guobin Wang
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Paper Abstract

The SuperNova / Acceleration Probe (SNAP) is a space-based experiment to measure the expansion history of the Universe and study both its dark energy and the dark matter. The experiment is motivated by the startling discovery that the expansion of the Universe is accelerating. A 0.7~square-degree imager comprised of 36 large format fully-depleted n-type CCD's sharing a focal plane with 36 HgCdTe detectors forms the heart of SNAP, allowing discovery and lightcurve measurements simultaneously for many supernovae. The imager and a high-efficiency low-resolution integral field spectrograph are coupled to a 2-m three mirror anastigmat wide-field telescope, which will be placed in a high-earth orbit. The SNAP mission can obtain high-signal-to-noise calibrated light-curves and spectra for over 2000 Type Ia supernovae at redshifts between z = 0.1 and 1.7. The resulting data set can not only determine the amount of dark energy with high precision, but test the nature of the dark energy by examining its equation of state. In particular, dark energy due to a cosmological constant can be differentiated from alternatives such as "quintessence", by measuring the dark energy's equation of state to an accuracy of ± 0.05, and by studying its time dependence.

Paper Details

Date Published: 16 December 2002
PDF: 12 pages
Proc. SPIE 4835, Future Research Direction and Visions for Astronomy, (16 December 2002); doi: 10.1117/12.456562
Show Author Affiliations
Greg Aldering, Lawrence Berkeley National Lab. (United States)
Carl W. Akerlof, Univ. of Michigan (United States)
R. Amanullah, Univ. of Stockholm (Sweden)
Pierre Astier, IN2P3/CNRS (France)
E. Barrelet, IN2P3/CNRS (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, IN2P3/CNRS (France)
Charles Bower, Indiana Univ. (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, IN2P3/CNRS (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, IN2P3/CNRS (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)
James C. Lamoreux, 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, IN2P3/CNRS (France)
R. Massey, Cambridge Univ. (United Kingdom)
Timothy McKay, Univ. of Michigan (United States)
Shawn P. McKee, Univ. of Michigan (United States)
Ramon Miquel, Lawrence Berkeley National Lab. (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, IN2P3/CNRS (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, INSU/CNRS (France)
Alexandre Refregier, Univ. of Cambridge (United Kingdom)
J. 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 Sholl, Univ. of California/Berkeley (United States)
Michael S. Schubnell, Univ. of Michigan (United States)
G. Smadja, IN2P3/CNRS (France)
George F. Smoot, Univ. of California/Berkeley (United States)
Anthony Spadafora, Lawrence Berkeley National Lab. (United States)
Gregory Tarle, Univ. of Michigan (United States)
Andrew D. Tomasch, Univ. of Michigan (United States)
H. von der Lippe, Lawrence Berkeley National Lab. (United States)
D. Vincent, IN2P3/CNRS (France)
J.-P. Walder, Lawrence Berkeley National Lab. (United States)
Guobin Wang, Lawrence Berkeley National Lab. (United States)


Published in SPIE Proceedings Vol. 4835:
Future Research Direction and Visions for Astronomy
Alan M. Dressler, Editor(s)

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