English
Related papers

Related papers: DESI luminous red galaxy samples for cross-correla…

200 papers

The Dark Energy Spectroscopic Instrument (DESI) will precisely constrain cosmic expansion and the growth of structure by collecting $\sim$40 million extra-galactic redshifts across $\sim$80\% of cosmic history and one third of the sky. The…

We measure the angular power spectrum and bispectrum of the projected overdensity of photometric DESI luminous red galaxies, and its cross-correlation with maps of the Cosmic Microwave Background lensing convergence from \planck. This…

Cosmology and Nongalactic Astrophysics · Physics 2026-01-15 Lea Harscouet , David Alonso , Andrina Nicola , Anže Slosar

We measure the cross-correlation between redMaGiC galaxies selected from the Dark Energy Survey (DES) Year-1 data and gravitational lensing of the cosmic microwave background (CMB) reconstructed from South Pole Telescope (SPT) and Planck…

Cosmology and Nongalactic Astrophysics · Physics 2019-08-07 Y. Omori , T. Giannantonio , A. Porredon , E. Baxter , C. Chang , M. Crocce , P. Fosalba , A. Alarcon , N. Banik , J. Blazek , L. E. Bleem , S. L. Bridle , R. Cawthon , A. Choi , R. Chown , T. Crawford , S. Dodelson , A. Drlica-Wagner , T. F. Eifler , J. Elvin-Poole , O. Friedrich , D. Gruen , G. P. Holder , D. Huterer , B. Jain , M. Jarvis , D. Kirk , N. Kokron , E. Krause , N. MacCrann , J. Muir , J. Prat , C. L. Reichardt , A. J. Ross , E. Rozo , E. S. Rykoff , C. Sánchez , L. F. Secco , G. Simard , R. H. Wechsler , J. Zuntz , T. M. C. Abbott , F. B. Abdalla , S. Allam , S. Avila , K. Aylor , B. A. Benson , G. M. Bernstein , E. Bertin , F. Bianchini , D. Brooks , E. Buckley-Geer , D. L. Burke , J. E. Carlstrom , A. Carnero Rosell , M. Carrasco Kind , J. Carretero , F. J. Castander , C. L. Chang , H-M. Cho , A. T. Crites , C. E. Cunha , L. N. da Costa , T. de Haan , C. Davis , J. De Vicente , S. Desai , H. T. Diehl , J. P. Dietrich , M. A. Dobbs , W. B. Everett , P. Doel , J. Estrada , B. Flaugher , J. Frieman , J. García-Bellido , E. Gaztanaga , D. W. Gerdes , E. M. George , R. A. Gruendl , J. Gschwend , G. Gutierrez , N. W. Halverson , N. L. Harrington , W. G. Hartley , D. L. Hollowood , W. L. Holzapfel , K. Honscheid , Z. Hou , B. Hoyle , J. D. Hrubes , D. J. James , T. Jeltema , K. Kuehn , N. Kuropatkin , A. T. Lee , E. M. Leitch , M. Lima , D. Luong-Van , A. Manzotti , D. P. Marrone , J. L. Marshall , J. J. McMahon , P. Melchior , F. Menanteau , S. S. Meyer , C. J. Miller , R. Miquel , L. M. Mocanu , J. J. Mohr , T. Natoli , S. Padin , A. A. Plazas , C. Pryke , A. K. Romer , A. Roodman , J. E. Ruhl , E. Sanchez , V. Scarpine , K. K. Schaffer , M. Schubnell , S. Serrano , I. Sevilla-Noarbe , E. Shirokoff , M. Smith , M. Soares-Santos , F. Sobreira , Z. Staniszewski , A. A. Stark , K. T. Story , E. Suchyta , M. E. C. Swanson , G. Tarle , D. Thomas , M. A. Troxel , K. Vanderlinde , J. D. Vieira , A. R. Walker , W. L. K. Wu , O. Zahn

We use the overlap between multiband photometry of the Kilo-Degree Survey (KiDS) and spectroscopic data based on the Sloan Digital Sky Survey (SDSS) and Galaxy And Mass Assembly (GAMA) to infer the colour-magnitude relation of red-sequence…

Cosmology and Nongalactic Astrophysics · Physics 2019-05-13 Mohammadjavad Vakili , Maciej Bilicki , Henk Hoekstra , Nora Elisa Chisari , Christos Georgiou , Arun Kannawadi , Koen Kuijken , Angus H. Wright

We study the importance of precise modelling of the photometric redshift error distributions on the estimation of parameters from cross correlation measurements and present a working example of the scattering matrix formalism to correct for…

Cosmology and Nongalactic Astrophysics · Physics 2024-11-08 Chandra Shekhar Saraf , Pawel Bielewicz , Michal Chodorowski

We study the projected clustering of photometric luminous red galaxies from the DESI Legacy Survey, combining their angular power spectrum, bispectrum, and cross-correlation with maps of the CMB lensing convergence from the Planck…

Cosmology and Nongalactic Astrophysics · Physics 2025-10-21 Francesco Verdiani , Lea Harscouet , Matteo Zennaro , David Alonso , Boryana Hadzhiyska

We use subhalo abundance and age distribution matching to create magnitude-limited mock galaxy catalogs at $z\sim0.43$, $0.52$, and $0.63$ with $z$-band and $3.4$ micron $W1$-band absolute magnitudes and ${r-z}$ and ${r-W1}$ colors. From…

Cosmology and Nongalactic Astrophysics · Physics 2023-06-26 Angela M. Berti , Kyle S. Dawson , Wilber Dominguez

A photometric redshift sample of Luminous Red Galaxies (hereafter LRGs) obtained from The DECam Legacy Survey (DECaLS) is analysed to probe cosmic distances by exploiting the wedge approach of the two-point correlation function. Although…

We analyze MegaZ-LRG, a photometric-redshift catalogue of Luminous Red Galaxies (LRGs) based on the imaging data of the Sloan Digital Sky Survey (SDSS) 4th Data Release. MegaZ-LRG, presented in a companion paper, contains 10^6 photometric…

Astrophysics · Physics 2009-05-29 Chris Blake , Adrian Collister , Sarah Bridle , Ofer Lahav

DESI will precisely constrain cosmic expansion and the growth of structure by collecting $\sim$35 million redshifts across $\sim$80% of cosmic history and one third of the sky to study Baryon Acoustic Oscillations (BAO) and Redshift Space…

We describe a tomographic dissection of the Planck CMB lensing data, cross-correlating this map with galaxies in different ranges of photometric redshift. We use the nearly all-sky 2MPZ and WISExSCOS catalogues for z<0.35, extending to…

Cosmology and Nongalactic Astrophysics · Physics 2018-08-29 J. A. Peacock , M. Bilicki

Low Density Points (LDPs, \citet{2019ApJ...874....7D}), obtained by removing high-density regions of observed galaxies, can trace the Large-Scale Structures (LSSs) of the universe. In particular, it offers an intriguing opportunity to…

Cosmology and Nongalactic Astrophysics · Physics 2021-12-21 Fuyu Dong , Pengjie Zhang , Le Zhang , Ji Yao , Zeyang Sun , Changbom Park , Xiaohu Yang

The lensing imprint of cosmic voids in the Cosmic Microwave Background (CMB) provides a powerful test of the $\Lambda$CDM model. However, recent studies report a "lensing-is-low" tension between observations and mock predictions. To…

Cosmology and Nongalactic Astrophysics · Physics 2026-05-20 Simone Sartori

We used the DEIMOS spectrograph on the Keck II Telescope to obtain spectra of galaxies in the fields of five distant, rich galaxy clusters over the redshift range 0.5 < z < 0.9 in a search for luminous, compact, blue galaxies (LCBGs).…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-28 S. M. Crawford , G. D. Wirth , M. A. Bershady , K. Hon

Obtaining accurately calibrated redshift distributions of photometric samples is one of the great challenges in photometric surveys like LSST, Euclid, HSC, KiDS, and DES. We present an inference methodology that combines the redshift…

Cosmology and Nongalactic Astrophysics · Physics 2021-12-09 M. M. Rau , C. B. Morrison , S. J. Schmidt , S. Wilson , R. Mandelbaum , Y. Y. Mao

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

We present a spectroscopic survey of almost 15,000 candidate intermediate-redshift Luminous Red Galaxies (LRGs) brighter than i=19.8, observed with 2dF on the Anglo-Australian Telescope. The targets were selected photometrically from the…