Deep lens survey

David M. Wittman; J. Anthony Tyson; Ian P. Dell'Antonio; Andrew Becker; Vera Margoniner; Judith G. Cohen; D. Norman; D. Loomba; G. Squires; Gillian Wilson; Christopher W. Stubbs; J. Hennawi; David N. Spergel; P. Boeshaar; A. Clocchiatti; M. Hamuy; G. Bernstein; A. Gonzalez; Puragra Guhathakurta; W. Hu; U. Seljak; Dennis Zaritsky

doi:10.1117/12.457348

24 December 2002 Deep lens survey

David M. Wittman, J. Anthony Tyson, Ian P. Dell'Antonio, Andrew Becker, Vera Margoniner, Judith G. Cohen, D. Norman, D. Loomba, G. Squires, Gillian Wilson, Christopher W. Stubbs, J. Hennawi, David N. Spergel, P. Boeshaar, A. Clocchiatti, M. Hamuy, G. Bernstein, A. Gonzalez, Puragra Guhathakurta, W. Hu, U. Seljak, Dennis Zaritsky

Author Affiliations +

Proceedings Volume 4836, Survey and Other Telescope Technologies and Discoveries; (2002) https://doi.org/10.1117/12.457348
Event: Astronomical Telescopes and Instrumentation, 2002, Waikoloa, Hawai'i, United States

Abstract

The Deep Lens Survey (DLS) is a deep BV Rz' imaging survey of seven 2°×2° degree fields, with all data to be made public. The primary scientific driver is weak gravitational lensing, but the survey is also designed to enable a wide array of other astrophysical investigations. A unique feature of this survey is the search for transient phenomena. We subtract multiple exposures of a field, detect differences, classify, and release transients on the Web within about an hour of observation. Here we summarize the scientific goals of the DLS, field and filter selection, observing techniques and current status, data reduction, data products and release, and transient detections. Finally, we discuss some lessons which might apply to future large surveys such as LSST.

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David M. Wittman, J. Anthony Tyson, Ian P. Dell'Antonio, Andrew Becker, Vera Margoniner, Judith G. Cohen, D. Norman, D. Loomba, G. Squires, Gillian Wilson, Christopher W. Stubbs, J. Hennawi, David N. Spergel, P. Boeshaar, A. Clocchiatti, M. Hamuy, G. Bernstein, A. Gonzalez, Puragra Guhathakurta, W. Hu, U. Seljak, and Dennis Zaritsky "Deep lens survey", Proc. SPIE 4836, Survey and Other Telescope Technologies and Discoveries, (24 December 2002); https://doi.org/10.1117/12.457348

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