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Related papers: Optimizing the LSST Observing Strategy for Dark En…

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We conduct a detailed analysis of the photometric redshift requirements for the proposed Dark Energy Survey (DES) using two sets of mock galaxy simulations and an artificial neural network code - ANNz. In particular, we examine how optical…

Astrophysics · Physics 2010-03-26 Manda Banerji , Filipe B. Abdalla , Ofer Lahav , Huan Lin

We study the potential of a large future weak-lensing survey to constrain dark energy properties by using both the number counts of detected galaxy clusters (sensitive primarily to density fluctuations on small scales) and tomographic…

Astrophysics · Physics 2008-11-26 Wenjuan Fang , Zoltan Haiman

The Astro2010 Decadal Survey recommended a Wide Field Infrared Survey Telescope (WFIRST) as its top priority for a new large space mission. As conceived by the decadal survey, WFIRST would carry out a dark energy science program, a…

A new generation of powerful dark energy experiments will open new vistas for cosmology in the next decade. However, these projects cannot reach their utmost potential without data from other telescopes. This white paper focuses in…

We investigate the constraining power of future post-reionization and galaxy surveys on possible interactions between dynamical dark energy and dark matter. The analysis focuses on the interaction strength and the dark energy equation of…

Cosmology and Nongalactic Astrophysics · Physics 2026-03-26 Rahul Shah , Antara Dey , Purba Mukherjee , Supratik Pal

We perform a detailed forecast on how well a {\sc Euclid}-like survey will be able to constrain dark energy and neutrino parameters from a combination of its cosmic shear power spectrum, galaxy power spectrum, and cluster mass function…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-15 Tobias Basse , Ole Eggers Bjaelde , Jan Hamann , Steen Hannestad , Yvonne Y. Y. Wong

Ongoing and future wide-field galaxy surveys can be used to locate a number of clusters of galaxies with cosmic shear measurement alone. We study constraints on cosmological models using statistics of weak lensing selected galaxy clusters.…

Cosmology and Nongalactic Astrophysics · Physics 2016-02-17 Masato Shirasaki , Takashi Hamana , Naoki Yoshida

We present the 2012 Hubble Ultra Deep Field campaign (UDF12), a large 128-orbit Cycle 19 \HST\ program aimed at extending previous WFC3/IR observations of the UDF by quadrupling the exposure time in the F105W filter, imaging in an…

Dark energy is an important science driver of many upcoming large-scale surveys. With small, stable seeing and low thermal infrared background, Dome A, Antarctica, offers a unique opportunity for shedding light on fundamental questions…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-19 Gong-Bo Zhao , Hu Zhan , Lifan Wang , Zuhui Fan , Xinmin Zhang

We reassess the realistic discovery reach of Solar-System experiments for dark energy (DE) and dark matter (DM), making explicit the bridge from cosmology-level linear responses to local, screened residuals. In scalar-tensor frameworks with…

Cosmology and Nongalactic Astrophysics · Physics 2025-12-02 Slava G. Turyshev

We present cosmological constraints from the analysis of angular power spectra of cosmic shear maps based on data from the first three years of observations by the Dark Energy Survey (DES Y3). Our measurements are based on the…

Cosmology and Nongalactic Astrophysics · Physics 2022-07-20 C. Doux , B. Jain , D. Zeurcher , J. Lee , X. Fang , R. Rosenfeld , A. Amon , H. Camacho , A. Choi , L. F. Secco , J. Blazek , C. Chang , M. Gatti , E. Gaztanaga , N. Jeffrey , M. Raveri , S. Samuroff , A. Alarcon , O. Alves , F. Andrade-Oliveira , E. Baxter , K. Bechtol , M. R. Becker , G. M. Bernstein , A. Campos , A. Carnero Rosell , M. Carrasco Kind , R. Cawthon , R. Chen , J. Cordero , M. Crocce , C. Davis , J. DeRose , S. Dodelson , A. Drlica-Wagner , K. Eckert , T. F. Eifler , F. Elsner , J. Elvin-Poole , S. Everett , A. Ferté , P. Fosalba , O. Friedrich , G. Giannini , D. Gruen , R. A. Gruendl , I. Harrison , W. G. Hartley , K. Herner , H. Huang , E. M. Huff , D. Huterer , M. Jarvis , E. Krause , N. Kuropatkin , P. -F. Leget , P. Lemos , A. R. Liddle , N. MacCrann , J. McCullough , J. Muir , J. Myles , A. Navarro-Alsina , S. Pandey , Y. Park , A. Porredon , J. Prat , M. Rodriguez-Monroy , R. P. Rollins , A. Roodman , A. J. Ross , E. S. Rykoff , C. Sánchez , J. Sanchez , I. Sevilla-Noarbe , E. Sheldon , T. Shin , A. Troja , M. A. Troxel , I. Tutusaus , T. N. Varga , N. Weaverdyck , R. H. Wechsler , B. Yanny , B. Yin , Y. Zhang , J. Zuntz , T. M. C. Abbott , M. Aguena , S. Allam , J. Annis , D. Bacon , E. Bertin , S. Bocquet , D. Brooks , D. L. Burke , J. Carretero , M. Costanzi , L. N. da Costa , M. E. S. Pereira , J. De Vicente , S. Desai , H. T. Diehl , P. Doel , I. Ferrero , B. Flaugher , J. Frieman , J. García-Bellido , D. W. Gerdes , T. Giannantonio , J. Gschwend , G. Gutierrez , S. R. Hinton , D. L. Hollowood , K. Honscheid , D. J. James , A. G. Kim , K. Kuehn , O. Lahav , J. L. Marshall , F. Menanteau , R. Miquel , R. Morgan , R. L. C. Ogando , A. Palmese , F. Paz-Chinchón , A. Pieres , K. Reil , E. Sanchez , V. Scarpine , S. Serrano , M. Smith , E. Suchyta , M. E. C. Swanson , G. Tarle , D. Thomas , C. To , J. Weller

The observing strategy of a galaxy survey influences the degree to which its resulting data can be used to accomplish any science goal. LSST is thus seeking metrics of observing strategies for multiple science cases in order to optimally…

Instrumentation and Methods for Astrophysics · Physics 2021-04-19 Alex I. Malz , François Lanusse , John Franklin Crenshaw , Melissa L. Graham

The AKARI Deep Field South (ADF-S) is a large extragalactic survey field that is covered by multiple instruments, from optical to far-IR and radio. I summarise recent results in this and related fields prompted by the release of the…

Astrophysics of Galaxies · Physics 2016-01-07 David L Clements

We present a description of the Dragonfly Wide Field Survey (DWFS), a deep photometric survey of a wide area of sky. The DWFS covers 330 $\mathrm{deg}^2$ in the equatorial GAMA fields and the Stripe 82 fields in the SDSS $g$ and $r$ bands.…

We make the first detailed MCMC likelihood study of cosmological constraints that are expected from some of the largest, ongoing and proposed, cluster surveys in different wave-bands and compare the estimates to the prevalent Fisher matrix…

Cosmology and Nongalactic Astrophysics · Physics 2013-02-21 Satej Khedekar , Subhabrata Majumdar

We present simulation-based cosmological $w$CDM inference using Dark Energy Survey Year 3 weak-lensing maps, via neural data compression of weak-lensing map summary statistics: power spectra, peak counts, and direct map-level…

Double source plane strong lensing (DSPL) systems offer a robust, independent probe of cosmological parameters. The Chinese Space Station Telescope (CSST) is expected to discover hundreds of DSPLs, yet the survey modes and system…

Cosmology and Nongalactic Astrophysics · Physics 2026-01-22 Bei-Chen Wu , Xiaoyue Cao , Nan Li , Yan Gong , Shenzhe Cui , Di Wu , Tong Zhao , Junhui Yan

This white paper summarizes the conclusions of the Snowmass White Paper "Spectroscopic Needs for Imaging Dark Energy Experiments" (arXiv:1309.5384) which are relevant to the calibration of LSST photometric redshifts; i.e., the accurate…

Instrumentation and Methods for Astrophysics · Physics 2014-10-17 Samuel J. Schmidt , Jeffrey A. Newman , Alexandra Abate , the Spectroscopic Needs White Paper Team
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