Weak Lensing from Space I: Instrumentation and Survey Strategy

Refregier, Alexandre; Massey, Richard; Albert, Justin; Bacon, David; Bernstein, Gary; Ellis, Richard; Jain, Bhuvnesh; Kim, Alex; Lampton, Mike; McKay, Tim; Akerlof, C.; Aldering, G.; Amanullah, R.; Astier, P.; Rhodes, Jason; Refregier Alexandre; Massey Richard; Albert Justin; Bacon David; Bernstein Gary; Ellis Richard; Jain Bhuvnesh; Kim Alex; Lampton Mike; McKay Tim; Akerlof C.; Aldering G.; Amanullah R.; Astier P.; Barrelet E.; Bebek C.; Bergstrom L.; Bercovitz J.; Be; Baltay, C.; Barrelet, E.; Bebek, C.; Bergström, L.; Bercovitz, J.; Bester, M.; Bigelow, B.; Bohlin, R.; Bonissent, A.; Bower, C.; Brown, M.; Campbell, M.; Carithers, W.; Commins, E.; Day, C.; Deustua, S.; DiGennaro, R.; Ealet, A.; Emmet, W.; Eriksson, M.; Fouchez, D.; Fruchter, A.; Genat, J.-F.; Gerdes, D.; Gladney, L.; Goldhaber, G.; Goobar, A.; Groom, D.; Harris, S.; Harvey, P.; Heetderks, H.; Holland, S.; Huterer, D.; Bergstroem, L.; Johnston, W.; Karcher, A.; Kolbe, W.; Krieger, B.; Kushner, G.; Kuznetsova, N.; Lafever, R.; Lamoureux, J.; Levi, M.; Linder, E.; Loken, S.; Lorenzon, W.; Malina, R.; Mazure, A.; McKee, S.; Miquel, R.; Morgan, N.; Mörtsell, E.; Mostek, N.; Mufson, S.; Musser, J.; Nugent, P.; Oluseyi, H.; Pain, R.; Palaio, N.; Pankow, D.; Perlmutter, S.; Pratt, R.; Prieto, E.; Rabinowitz, D.; Robinson, K.; Roe, N.; Rusin, D.; Schubnell, M.; Sholl, M.; Smadja, G.; Snyder, J.; Smith, R.; Spadafora, A.; Smoot, George F.; Szymkowiak, A.; Tarle, G.; Taylor, K.; Tilquin, A.; Tomasch, A.; von der Lippe, H.; Moertsell, E.; Vincent, D.; Walder, J.-P.; Collaboration, Snap; Wang, G.; Prat, R.

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Elsevier, Astroparticle Physics, 4(20), p. 377-389

DOI: 10.1016/j.astropartphys.2003.10.002

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Weak Lensing from Space I: Instrumentation and Survey Strategy

Journal article published in 2004 by Alexandre Refregier, Richard Massey, Justin Albert, David Bacon, Gary Bernstein

, Richard Ellis, Bhuvnesh Jain, Alex Kim, Mike Lampton, Tim McKay, C. Akerlof, G. Aldering, R. Amanullah, P. Astier, Jason; Refregier Alexandre; Massey Richard; Albert Justin; Bacon David; Bernstein Gary; Ellis Richard; Jain Bhuvnesh; Kim Alex; Lampton Mike; McKay Tim; Akerlof C.; Aldering G.; Amanullah R.; Astier P.; Barrelet E.; Bebek C.; Bergstrom L.; Bercovitz J.; Be Rhodes and other authors.

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Abstract

A wide field space-based imaging telescope is necessary to fully exploit the technique of observing dark matter via weak gravitational lensing. This first paper in a three part series outlines the survey strategies and relevant instrumental parameters for such a mission. As a concrete example of hardware design, we consider the proposed Supernova/Acceleration Probe (SNAP). Using SNAP engineering models, we quantify the major contributions to this telescope's Point Spread Function (PSF). These PSF contributions are relevant to any similar wide field space telescope. We further show that the PSF of SNAP or a similar telescope will be smaller than current ground-based PSFs, and more isotropic and stable over time than the PSF of the Hubble Space Telescope. We outline survey strategies for two different regimes - a ''wide'' 300 square degree survey and a ''deep'' 15 square degree survey that will accomplish various weak lensing goals including statistical studies and dark matter mapping.

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Weak Lensing from Space I: Instrumentation and Survey Strategy

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