1 code implementation • 4 Jul 2023 • Mehdi Rezaie, Ashley J. Ross, Hee-Jong Seo, Hui Kong, Anna Porredon, Lado Samushia, Edmond Chaussidon, Alex Krolewski, Arnaud de Mattia, Florian Beutler, Jessica Nicole Aguilar, Steven Ahlen, Shadab Alam, Santiago Avila, Benedict Bahr-Kalus, Jose Bermejo-Climent, David Brooks, Todd Claybaugh, Shaun Cole, Kyle Dawson, Axel de la Macorra, Peter Doel, Andreu Font-Ribera, Jaime E. Forero-Romero, Satya Gontcho A Gontcho, Julien Guy, Klaus Honscheid, Dragan Huterer, Theodore Kisner, Martin Landriau, Michael Levi, Marc Manera, Aaron Meisner, Ramon Miquel, Eva-Maria Mueller, Adam Myers, Jeffrey A. Newman, Jundan Nie, Nathalie Palanque-Delabrouille, Will Percival, Claire Poppett, Graziano Rossi, Eusebio Sanchez, Michael Schubnell, Gregory Tarlé, Benjamin Alan Weaver, Christophe Yèche, Zhimin Zhou, Hu Zou

The neural network with a set of nine imaging property maps passes our systematic null test criteria, and is chosen as the fiducial treatment.

1 code implementation • 2 Dec 2019 • Davide Gualdi, Héctor Gil-Marín, Marc Manera, Benjamin Joachimi, Ofer Lahav

By applying GEOMAX to bispectrum monopole measurements from BOSS DR12 CMASS redshift-space galaxy clustering data, we reduce the $68\%$ credible intervals for the inferred parameters $\left(b_1, b_2, f,\sigma_8\right)$ by $\left(50. 4\%, 56. 1\%, 33. 2\%, 38. 3\%\right)$ with respect to standard MCMC on the full data vector.

Cosmology and Nongalactic Astrophysics

1 code implementation • 4 Jan 2019 • Davide Gualdi, Héctor Gil-Marín, Marc Manera, Benjamin Joachimi, Ofer Lahav

We present a novel method to compress galaxy clustering three-point statistics and apply it to redshift space galaxy bispectrum monopole measurements from BOSS DR12 CMASS data considering a $k$-space range of $0. 03-0. 12\, h/\mathrm{Mpc}$.

Cosmology and Nongalactic Astrophysics

1 code implementation • 2 Mar 2017 • Hans A. Winther, Kazuya Koyama, Marc Manera, Bill S. Wright, Gong-Bo Zhao

We present a general parallelized and easy-to-use code to perform numerical simulations of structure formation using the COLA (COmoving Lagrangian Acceleration) method for cosmological models that exhibit scale-dependent growth at the level of first and second order Lagrangian perturbation theory.

Cosmology and Nongalactic Astrophysics General Relativity and Quantum Cosmology

no code implementations • 10 Sep 2014 • Ashley J. Ross, Lado Samushia, Cullan Howlett, Will J. Percival, Angela Burden, Marc Manera

We create a sample of spectroscopically identified galaxies with $z < 0. 2$ from the Sloan Digital Sky Survey (SDSS) Data Release 7, covering 6813 deg$^2$.

Cosmology and Nongalactic Astrophysics

2 code implementations • 18 Mar 2013 • Eyal A. Kazin, Ariel G. Sanchez, Antonio J. Cuesta, Florian Beutler, Chia-Hsun Chuang, Daniel J. Eisenstein, Marc Manera, Nikhil Padmanabhan, Will J. Percival, Francisco Prada, Ashley J. Ross, Hee-Jong Seo, Jeremy Tinker, Rita Tojeiro, Xiaoying Xu, J. Brinkmann, Brownstein Joel, Robert C. Nichol, David J. Schlegel, Donald P. Schneider, Daniel Thomas

The baryonic acoustic feature is used to obtain model independent constraints cz/H/r_s = 12. 28 +- 0. 82 (6. 7 per-cent accuracy) and D_A/r_s = 9. 05 +- 0. 27 (3. 0 per-cent) with a correlation coefficient of -0. 5, where r_s is the sound horizon scale at the end of the baryonic drag era.

Cosmology and Nongalactic Astrophysics General Relativity and Quantum Cosmology

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