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DES Document 7501-v1

First Results from the Dark Energy Survey

Document #:
DES-doc-7501-v1
Document type:
Conference Presentation
Submitted by:
Joerg Dietrich
Updated by:
Joerg Dietrich
Document Created:
04 Oct 2013, 02:44
Contents Revised:
04 Oct 2013, 02:44
Metadata Revised:
04 Oct 2013, 02:44
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Abstract:
The Dark Energy Survey (DES) will observe 5000 sq. deg. of the
southern sky in 5 passbands over the next five years, with the aim to
constrain the Dark Energy equation-of-state parameters $w$ to
$\sim5\%$ and $w_a$ to $\delta w_a\sim 0.3$. The DES utilizes four
cosmological probes: Galaxy clusters, weak gravitational lensing,
baryonic acoustic oscillations, and type Ia supernovae. After
installation and comissioning from February to October 2012, the new
2.2 sq. deg. field-of-view Dark Energy Camera, DES entered a phase of
extended science verification in November 2012 lasting until February
2013, in which $\sim 150$ sq. deg. were observed to the full survey
depth. I will present initial results from this first set of data.
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