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We use data from the DESI Legacy Survey imaging to probe the galaxy density field in tomographic slices covering the redshift range $0<z<0.8$. After careful consideration of completeness corrections and galactic cuts, we obtain a sample of…

Cosmology and Nongalactic Astrophysics · Physics 2020-12-09 Qianjun Hang , Shadab Alam , John A. Peacock , Yan-Chuan Cai

We measure the cross-correlation between galaxy groups constructed from DESI Legacy Imaging Survey DR8 and \emph{Planck} CMB lensing, over overlapping sky area of 16876 $\rm deg^2$. The detections are significant and consistent with the…

Cosmology and Nongalactic Astrophysics · Physics 2022-02-09 Zeyang Sun , Ji Yao , Fuyu Dong , Xiaohu Yang , Le Zhang , Pengjie Zhang

Extensions to the $\Lambda\textrm{CDM}$ model prior to recombination can modify the growth of perturbations around radiation-matter equality, leaving a distinct signature in the matter power spectrum. Upcoming large-scale structure surveys…

Cosmology and Nongalactic Astrophysics · Physics 2026-01-09 Raphaël Kou , Antony Lewis

We present a measurement of the cross-correlation between the MagLim galaxies selected from the Dark Energy Survey (DES) first three years of observations (Y3) and cosmic microwave background (CMB) lensing from the Atacama Cosmology…

Cross-correlations between the galaxy number density in a lensing source sample and that in an overlapping spectroscopic sample can in principle be used to calibrate the lensing source redshift distribution. In this paper, we study in…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-16 Roland de Putter , Olivier Doré , Sudeep Das

Large-scale $B$-mode polarization of the cosmic microwave background (CMB) is a prime target for current and future experiments in search of primordial gravitational waves (PGW). With increasingly sensitive instruments being deployed,…

We use the angular cross-correlation between a luminous red galaxy (LRG) sample from the Dark Energy Spectroscopic Instrument (DESI) Legacy Survey data release DR9 and the $Planck$ cosmic microwave background (CMB) lensing maps to constrain…

One of the most powerful cosmological datasets when it comes to constraining neutrino masses is represented by galaxy power spectrum measurements, $P_{gg}(k)$. The constraining power of $P_{gg}(k)$ is however severely limited by…

Cosmology and Nongalactic Astrophysics · Physics 2019-03-18 Elena Giusarma , Sunny Vagnozzi , Shirley Ho , Simone Ferraro , Katherine Freese , Rocky Kamen-Rubio , Kam-Biu Luk

We present a method to measure the small-scale matter power spectrum using high-resolution measurements of the gravitational lensing of the Cosmic Microwave Background (CMB). To determine whether small-scale structure today is suppressed on…

Cosmology and Nongalactic Astrophysics · Physics 2019-01-16 Ho Nam Nguyen , Neelima Sehgal , Mathew Madhavacheril

The cross-correlation between cosmic microwave background (CMB) gravitational lensing and large-scale structure tracers will be an important cosmological probe in the coming years. Quadratic estimators provide a simple and powerful (if…

Cosmology and Nongalactic Astrophysics · Physics 2023-07-10 Giulio Fabbian , Antony Lewis , Dominic Beck

The cross-correlation of cosmic voids with the lensing convergence ($\kappa$) map of the CMB fluctuations offers a powerful tool to refine our understanding of the dark sector in the consensus cosmological model. Our principal aim is to…

Cosmology and Nongalactic Astrophysics · Physics 2024-09-25 G. Camacho-Ciurana , P. Lee , N. Arsenov , A. Kovács , I. Szapudi , I. Csabai

We use cosmic microwave background (CMB) temperature maps from the 500 deg$^{2}$ SPTpol survey to measure the stacked lensing convergence of galaxy clusters from the Dark Energy Survey (DES) Year-3 redMaPPer (RM) cluster catalog. The…

Cosmology and Nongalactic Astrophysics · Physics 2019-02-21 S. Raghunathan , S. Patil , E. Baxter , B. A. Benson , L. E. Bleem , T. L. Chou , T. M. Crawford , G. P. Holder , T. McClintock , C. L. Reichardt , E. Rozo , T. N. Varga , T. M. C. Abbott , P. A. R. Ade , S. Allam , A. J. Anderson , J. Annis , J. E. Austermann , S. Avila , J. A. Beall , K. Bechtol , A. N. Bender , G. Bernstein , E. Bertin , F. Bianchini , L. Bleem , D. Brooks , D. L. Burke , J. E. Carlstrom , J. Carretero , C. L. Chang , H. C. Chiang , H-M. Cho , R. Citron , A. T. Crites , C. E. Cunha , L. N. da Costa , C. Davis , S. Desai , H. T. Diehl , J. P. Dietrich , M. A. Dobbs , P. Doel , T. F. Eifler , W. Everett , A. E. Evrard , B. Flaugher , P. Fosalba , J. Frieman , J. Gallicchio , J. García-Bellido , E. Gaztanaga , E. M. George , A. Gilbert , R. A. Gruendl , D. Gruen , J. Gschwend , N. Gupta , G. Gutierrez , T. de Haan , N. W. Halverson , N. Harrington , W. G. Hartley , J. W. Henning , G. C. Hilton , D. L. Hollowood , W. L. Holzapfel , K. Honscheid , Z. Hou , B. Hoyle , J. D. Hrubes , N. Huang , J. Hubmayr , K. D. Irwin , D. J. James , T. Jeltema , A. G. Kim , M. Carrasco Kind , L. Knox , A. Kovacs , K. Kuehn , N. Kuropatkin , A. T. Lee , M. Lima , T. S. Li , M. A. G. Maia , J. L. Marshall , J. J. McMahon , P. Melchior , F. Menanteau , S. S. Meyer , C. J. Miller , R. Miquel , L. Mocanu , J. Montgomery , A. Nadolski , T. Natoli , J. P. Nibarger , V. Novosad , S. Padin , A. A. Plazas , C. Pryke , D. Rapetti , A. K. Romer , A. Carnero Rosell , J. E. Ruhl , B. R. Saliwanchik , E. Sanchez , J. T. Sayre , V. Scarpine , K. K. Schaffer , M. Schubnell , S. Serrano , I. Sevilla-Noarbe , G. Smecher , R. C. Smith , M. Soares-Santos , F. Sobreira , A. A. Stark , K. T. Story , E. Suchyta , M. E. C. Swanson , G. Tarle , D. Thomas , C. Tucker , K. Vanderlinde , J. De Vicente , J. D. Vieira , G. Wang , N. Whitehorn , W. L. K. Wu , Y. Zhang

The cosmic microwave background (CMB) is gravitationally lensed by large-scale structure, which distorts observations of the primordial anisotropies in any given direction. Averaged over the sky, this important effect is routinely modelled…

Cosmology and Nongalactic Astrophysics · Physics 2021-03-17 G. Fabbian , J. Carron , A. Lewis , M. Lembo

In a tomographic approach, we measure the cross-correlation between the CMB lensing reconstructed from the Planck satellite and the galaxies of the photometric redshift catalogue based on the combination of the South Galactic Cap u-band Sky…

Cosmology and Nongalactic Astrophysics · Physics 2020-06-24 Gabriela A. Marques , Armando Bernui

Galaxy clustering and galaxy-galaxy lensing probe the connection between galaxies and their dark matter haloes in complementary ways. On one hand, the halo occupation statistics inferred from the observed clustering properties of galaxies…

Astrophysics · Physics 2009-11-19 Marcello Cacciato , Frank C. van den Bosch , Surhud More , Ran Li , H. J. Mo , Xiaohu Yang

Cosmological galaxy surveys aim at mapping the largest volumes to test models with techniques such as cluster abundance, cosmic shear correlations or baryon acoustic oscillations (BAO), which are designed to be independent of galaxy bias.…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-30 E. Gaztanaga , M. Eriksen , M. Crocce , F. Castander , P. Fosalba , P. Marti , R. Miquel , A. Cabre

We present a forecast study on the cross-correlation between cosmic shear tomography from the Chinese Survey Space Telescope (CSST) and CMB lensing from Ali CMB Polarization Telescope (AliCPT-1) in Tibet. The correlated galaxy and CMB…

Cosmology and Nongalactic Astrophysics · Physics 2023-06-07 Zhengyi Wang , Ji Yao , Xiangkun Liu , Dezi Liu , Zuhui Fan , Bin Hu

The cosmic microwave background (CMB) represents a unique source for the study of gravitational lensing. It is extended across the entire sky, partially polarized, located at the extreme distance of z=1100, and is thought to have the…

Cosmology and Nongalactic Astrophysics · Physics 2014-11-20 Duncan Hanson , Anthony Challinor , Antony Lewis
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