Weak lensing from space I:: instrumentation and survey strategy

被引：25

作者：

Rhodes, J

Refregier, A

Massey, R

Albert, J

Bacon, D

Bernstein, G

Ellis, R

Jain, B

Kim, A

Lampton, M

McKay, T

Akerlof, C

Aldering, G

Amanullah, R

Astier, P

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, JF

Gerdes, D

Gladney, L

Goldhaber, G

Goobar, A

Groom, D

Harris, S

Harvey, P

Heetderks, H

Holland, S

Huterer, D

Johnston, W

Karcher, A

机构：

[1] CALTECH, Pasadena, CA 91125 USA

[2] NASA, Goddard Space Flight Ctr, Astron & Solar Phys Lab, Greenbelt, MD 20771 USA

[3] CEA Saclay, Serv Astrophys, F-91191 Gif Sur Yvette, France

[4] Univ Cambridge, Inst Astron, Cambridge CB3 0HA, England

[5] Astron Inst, Edinburgh EH9 3HJ, Midlothian, Scotland

[6] Univ Penn, Dept Phys & Astron, Philadelphia, PA 19104 USA

[7] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA

[8] Univ Calif Berkeley, Space Sci Lab, Berkeley, CA 94720 USA

[9] Univ Michigan, Dept Phys, Ann Arbor, MI 48109 USA

[10] Univ Stockholm, S-10691 Stockholm, Sweden

[11] CNRS, IN2P3, LPNHE, F-75794 Paris 16, France

[12] Yale Univ, New Haven, CT 06520 USA

[13] Johns Hopkins Univ, Space Telescope Sci Inst, Baltimore, MD 21218 USA

[14] CNRS, IN2P3, CPPM, F-13288 Marseille 09, France

[15] Indiana Univ, Bloomington, IN 47405 USA

[16] Amer Astron Soc, Washington, DC 20009 USA

[17] CNS, INSU, LAM, F-13376 Marseille 12, France

[18] Case Western Reserve Univ, Cleveland, OH 44106 USA

[19] Univ Lyon 1, CNS, IN2P3, IPNL, F-69622 Villeurbanne, France

来源：

ASTROPARTICLE PHYSICS | 2004年 / 20卷 / 04期

关键词：

dark matter; dark energy; instrumentation;

D O I：

10.1016/j.astropartphys.2003.10.002

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

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 Supernoval 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. (C) 2003 Elsevier B.V. All rights reserved.

引用

页码：377 / 389

页数：13

共 28 条

[1]

ALCOCK C, UNPUB PASP

[2]

ALDERING G, 2002, P SPIE, V4835

[3]

BACON D, 2003, MNRAS, V344, pB1307

[4] Proton radiation damage in p-channel CCDs fabricated on high-resistivity silicon [J].