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Snap telescope

  • M. Sholl*
  • , M. Lampton
  • , G. Aldering
  • , W. Althouse
  • , R. Amanullah
  • , J. Annis
  • , P. Astier
  • , C. Baltay
  • , E. Barrelet
  • , S. Basa
  • , C. Bebek
  • , L. Bergström
  • , G. Bernstein
  • , M. Bester
  • , B. Bigelow
  • , R. Blandford
  • , R. Bohlin
  • , A. Bonissent
  • , C. Bower
  • , M. Brown
  • M. Campbell, W. Carithers, E. Commins, W. Craig, C. Day, F. DeJongh, S. Deustua, T. Diehl, S. Dodelson, A. Ealet, R. Ellis, W. Emmet, D. Fouchez, J. Frieman, A. Fruchter, D. Gerdes, L. Gladney, G. Goldhaber, A. Goobar, D. Groom, H. Heetderks, M. Hoff, S. Holland, M. Huffer, L. Hui, D. Huterer, B. Jain, P. Jelinsky, A. Karcher, S. Kahn, S. Kent, A. Kim, W. Kolbe, B. Krieger, G. Kushner, N. Kuznetsova, R. Lafever, J. Lamoureux, O. Le Fèvre, M. Levi, P. Limon, H. Lin, E. Linder, S. Loken, W. Lorenzon, R. Malina, J. Marriner, P. Marshall, R. Massey, A. Mazure, T. McKay, S. McKee, R. Miquel, N. Morgan, E. Mörtsell, N. Mostek, S. Mufson, J. Musser, P. Nugent, H. Oluşeyi, R. Pain, N. Palaio, D. Pankow, J. Peoples, S. Perlmutter, E. Prieto, D. Rabinowitz, A. Refregier, J. Rhodes, N. Roe, D. Rusin, V. Scarpine, M. Schubnell, G. Smadja, R. M. Smith, G. Smoot, J. Snyder, A. Spadafora, A. Stebbins, C. Stoughton, A. Szymkowiak, G. Tarlé, K. Taylor, A. Tilquin, A. Tomasch, D. Tucker, D. Vincent, H. von der Lippe, J. P. Walder, G. Wang, W. Wester
*Corresponding author for this work

Research output: Contribution to journal › Conference article published in journal › peer-review

Abstract

Mission requirements, the baseline design, and optical systems budgets for the SuperNova/Acceleration Probe (SNAP) telescope are presented. SNAP is a proposed space-based experiment designed to study dark energy and alternate explanations of the acceleration of the universe's expansion by performing a series of complementary systematics-controlled astrophysical measurements. The goals of the mission are a Type la supernova Hubble diagram and a wide-field weak gravitational lensing survey. A 2m widefield three-mirror telescope feeds a focal plane consisting of 36 CCDs and 36 HgCdTe detectors and a high-efficiency, low resolution integral field spectrograph. Details of the maturing optical system, with emphasis on structural stability during terrestrial testing as well as expected environments during operations at L2 are discussed. The overall stray light mitigation system, including illuminated surfaces and visible objects are also presented.

Original languageEnglish
Pages (from-to)1473-1483
Number of pages11
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume5487
Issue numberPART 3
DOIs
Publication statusPublished - 2004
Externally publishedYes
EventOptical, Infrared, and Millimeter Space Telecopes - Glasgow, United Kingdom
Duration: 21 Jun 2004 → 25 Jun 2004

Keywords

  • Dark energy
  • Space astronomy
  • Three-mirror telescopes
  • Wide-field imaging

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