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We measure the clustering of DES Year 1 galaxies that are intended to be combined with weak lensing samples in order to produce precise cosmological constraints from the joint analysis of large-scale structure and lensing correlations.…

Cosmology and Nongalactic Astrophysics · Physics 2018-09-12 J. Elvin-Poole , M. Crocce , A. J. Ross , T. Giannantonio , E. Rozo , E. S. Rykoff , S. Avila , N. Banik , J. Blazek , S. L. Bridle , R. Cawthon , A. Drlica-Wagner , O. Friedrich , N. Kokron , E. Krause , N. MacCrann , J. Prat , C. Sanchez , L. F. Secco , I. Sevilla-Noarbe , M. A. Troxel , T. M. C. Abbott , F. B. Abdalla , S. Allam , J. Annis , J. Asorey , K. Bechtol , M. R. Becker , A. Benoit-Levy , G. M. Bernstein , E. Bertin , D. Brooks , E. Buckley-Geer , D. L. Burke , A. Carnero Rosell , D. Carollo , M. Carrasco Kind , J. Carretero , F. J. Castander , C. E. Cunha , C. B. DAndrea , L. N. da Costa , T. M. Davis , C. Davis , S. Desai , H. T. Diehl , J. P. Dietrich , S. Dodelson , P. Doel , T. F. Eifler , A. E. Evrard , E. Fernandez , B. Flaugher , P. Fosalba , J. Frieman , J. Garcia-Bellido , E. Gaztanaga , D. W. Gerdes , K. Glazebrook , D. Gruen , R. A. Gruendl , J. Gschwend , G. Gutierrez , W. G. Hartley , S. R. Hinton , K. Honscheid , J. K. Hoormann , B. Jain , D. J. James , M. Jarvis , T. Jeltema , M. W. G. Johnson , M. D. Johnson , A. King , K. Kuehn , S. Kuhlmann , N. Kuropatkin , O. Lahav , G. Lewis , T. S. Li , C. Lidman , M. Lima , H. Lin , E. Macaulay , M. March , J. L. Marshall , P. Martini , P. Melchior , F. Menanteau , R. Miquel , J. J. Mohr , A. Moller , R. C. Nichol , B. Nord , C. R. ONeill , W. J. Percival , D. Petravick , A. A. Plazas , A. K. Romer , M. Sako , E. Sanchez , V. Scarpine , R. Schindler , M. Schubnell , E. Sheldon , M. Smith , R. C. Smith , M. Soares-Santos , F. Sobreira , N. E. Sommer , E. Suchyta , M. E. C. Swanson , G. Tarle , D. Thomas , B. E. Tucker , D. L. Tucker , S. A. Uddin , V. Vikram , A. R. Walker , R. H. Wechsler , J. Weller , W. Wester , R. C. Wolf , F. Yuan , B. Zhang , J. Zuntz

We investigate the feasibility of measuring the effects of peculiar velocities in large-scale structure using the dipole of the redshift-space cross-correlation function. We combine number counts of galaxies with brightness-temperature…

Cosmology and Nongalactic Astrophysics · Physics 2018-01-01 Alex Hall , Camille Bonvin

The cross-correlation between fluctuations in the electron scattering optical depth $\tau_{\rm es}$ as probed by future Cosmic Microwave Background (CMB) experiments, and fluctuations in the 21cm differential brightness temperature $\Delta…

Cosmology and Nongalactic Astrophysics · Physics 2020-04-07 Anirban Roy , Andrea Lapi , David Spergel , Soumen Basak , Carlo Baccigalupi

We test the impact of some systematic errors in weak lensing magnification measurements with the COSMOS 30-band photo-$z$ Survey flux limited to $I_{auto}<25.0$ using correlations of both source galaxy counts and magnitudes. Systematic…

Cosmology and Nongalactic Astrophysics · Physics 2021-03-03 E. Gaztanaga , S. J. Schmidt , M. D. Schneider , J. A. Tyson

We have analysed ~24 square degrees of R_C-band imaging data from the Red-Sequence Cluster Survey (RCS), and measured the excess correlations between galaxy ellipticities on scales ranging from 1 to 30 arcminutes. We have used data from two…

$ $Low density cosmic voids gravitationally lens the cosmic microwave background (CMB), leaving a negative imprint on the CMB convergence $\kappa$. This effect provides insight into the distribution of matter within voids, and can also be…

Galaxies at high redshifts provide a valuable tool to study cosmic dawn, and therefore it is crucial to reliably identify these galaxies. Here, we present an unambiguous and first simultaneous detection of both the Lyman-alpha emission and…

Gravitational waves from inspiraling compact objects provide us with information of the distance scale since we can infer the absolute luminosity of the source from analysis of the wave form, which is known as standard sirens. The first…

Cosmology and Nongalactic Astrophysics · Physics 2018-10-24 Ken Osato

Recent advances in identifying giant molecular filaments in galactic surveys allow us to study the interstellar material and its dense, potentially star forming phase on scales comparable to resolved extragalactic clouds. Two large…

Astrophysics of Galaxies · Physics 2024-03-29 O. Feher , S. E. Ragan , F. D. Priestley , P. C. Clark , T. J. T. Moore

Angular power spectra of optical and infrared background anisotropies at wavelengths between 0.5 to 5 $\mu$m are a useful probe of faint sources present during reionization, in addition to faint galaxies and diffuse signals at low redshift.…

Cosmology and Nongalactic Astrophysics · Physics 2016-12-07 Ketron Mitchell-Wynne , Asantha Cooray , Yongquan Xue , Bin Luo , William Brandt , Anton Koekemoer

We present a detection of correlated clustering between MeerKAT radio intensity maps and galaxies from the WiggleZ Dark Energy Survey. We find a $7.7\sigma$ detection of the cross-correlation power spectrum, the amplitude of which is…

We describe a new method for measuring the true redshift distribution of any set of objects studied only photometrically. The angular cross-correlation between objects in a photometric sample with objects in some spectroscopic sample as a…

Astrophysics · Physics 2009-11-13 Jeffrey A. Newman

Using {\it Herschel}-SPIRE imaging and the Canada-France Imaging Survey (CFIS) Low Surface Brightness data products from the Ultraviolet Near-Infrared Optical Northern Survey (UNIONS), we present a cross-correlation between the cosmic…

We present the WFC3 Infrared Spectroscopic Parallel (WISP) Survey. WISP is obtaining slitless, near-infrared grism spectroscopy of ~ 90 independent, high-latitude fields by observing in the pure parallel mode with Wide Field Camera-3 on the…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-19 H. Atek , M. Malkan , P. McCarthy , H. Teplitz , C. Scarlata , B. Siana , A. Henry , J. Colbert , N. R. Ross , C. Bridge , A. J. Bunker , A. Dressler , R. A. E. Fosbury , C. martin , H. Shim

Aims. We present a cosmic shear analysis and data validation of 15 square degree high-quality R-band data of the Garching-Bonn Deep Survey obtained with the Wide Field Imager of the MPG/ESO 2.2m telescope. Methods. We measure the two-point…

Astrophysics · Physics 2009-11-11 M. Hetterscheidt , P. Simon , M. Schirmer , H. Hildebrandt , T. Schrabback , T. Erben , P. Schneider

Small angular scale structure of the soft X-ray background correlated with the galaxy distribution is investigated. An extensive data sample from the ROSAT and XMM-Newton archives are used. Excess emission below 1 keV extending up to at…

Astrophysics · Physics 2007-05-23 A. M. Soltan , M. J. Freyberg , G. Hasinger

We investigate the dependence of galaxy clustering on the galaxy intrinsic luminosity at high redshift, using the data from the First Epoch VIMOS-VLT Deep Survey (VVDS). The size (6530 galaxies) and depth (I_{AB}<24) of the survey allows us…

Astrophysics · Physics 2009-11-11 A. Pollo , L. Guzzo , O. Le Fevre , B. Meneux , the VVDS team

We present a spectroscopic survey of galaxies in the COSMOS field using the Fiber Multi-Object Spectrograph (FMOS), a near-infrared instrument on the Subaru Telescope. Our survey is specifically designed to detect the Halpha emission line…

New arguments supporting the reality of large-scale fluctuations in the density of the visible matter in deep galaxy surveys are presented. A statistical analysis of the radial distributions of galaxies in the COSMOS and HDF-N deep fields…

Cosmology and Nongalactic Astrophysics · Physics 2016-07-12 S. I. Shirokov , N. Yu. Lovyagin , Yu. V. Baryshev , V. L. Gorokhov