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Found 13 papers, 7 papers with code
The SZ flux-mass ($Y$-$M$) relation at low halo masses: improvements with symbolic regression and strong constraints on baryonic feedback
Our results can be useful for using upcoming SZ surveys (e. g., SO, CMB-S4) and galaxy surveys (e. g., DESI and Rubin) to constrain the nature of baryonic feedback.
Augmenting astrophysical scaling relations with machine learning: application to reducing the Sunyaev-Zeldovich flux-mass scatter
Using SR on the data from the IllustrisTNG hydrodynamical simulation, we find a new proxy for cluster mass which combines $Y_\mathrm{SZ}$ and concentration of ionized gas ($c_\mathrm{gas}$): $M \propto Y_\mathrm{conc}^{3/5} \equiv Y_\mathrm{SZ}^{3/5} (1-A\, c_\mathrm{gas})$.
Baryonic feedback biases on fundamental physics from lensed CMB power spectra
Here, we show that inaccuracies in the modeling of $C_L^{\kappa\kappa}$ can yield surprisingly large biases on cosmological parameters inferred from the primary CMB power spectra measured by the upcoming Simons Observatory and CMB-S4 experiments.
Cosmology and Nongalactic Astrophysics
The Atacama Cosmology Telescope: Summary of DR4 and DR5 Data Products and Data Access
Two recent large data releases for the Atacama Cosmology Telescope (ACT), called DR4 and DR5, are available for public access.
Cosmology and Nongalactic Astrophysics
Constraining the Baryon Abundance with the Kinematic Sunyaev-Zel'dovich Effect: Projected-Field Detection Using Planck, WMAP, and unWISE
Using a new "asymmetric" estimator that combines different foreground-cleaned CMB maps to maximize the signal-to-noise, we measure the kSZ$^2$-galaxy cross-power spectrum for three subsamples of the \emph{unWISE} galaxy catalog, which peak at mean redshifts $z \approx$ 0. 6, 1. 1, and 1. 5, have average halo mass $\sim 1$-$5\times 10^{13}$ $h^{-1} M_{\odot}$, and in total contain over 500 million galaxies.
Cosmology and Nongalactic Astrophysics
The Atacama Cosmology Telescope: Detection of mm-wave transient sources
The source's spectral index in flux between 90 and 150 GHz was positive, $\alpha = 1. 5\pm0. 2$.
Solar and Stellar Astrophysics Astrophysics of Galaxies High Energy Astrophysical Phenomena
The Simons Observatory: gain, bandpass and polarization-angle calibration requirements for B-mode searches
We quantify the calibration requirements for systematic uncertainties for next-generation ground-based observatories targeting the large-angle $B$-mode polarization of the Cosmic Microwave Background, with a focus on the Simons Observatory (SO).
Cosmology and Nongalactic Astrophysics Instrumentation and Methods for Astrophysics
The Atacama Cosmology Telescope: Delensed Power Spectra and Parameters
Our results show that gravitational lensing of the microwave background is internally consistent within the framework of the standard cosmological model.
Cosmology and Nongalactic Astrophysics High Energy Physics - Phenomenology
The Atacama Cosmology Telescope: A CMB lensing mass map over 2100 square degrees of sky and its cross-correlation with BOSS-CMASS galaxies
We construct cosmic microwave background lensing mass maps using data from the 2014 and 2015 seasons of observations with the Atacama Cosmology Telescope (ACT).
Cosmology and Nongalactic Astrophysics Astrophysics of Galaxies
The Atacama Cosmology Telescope: Component-separated maps of CMB temperature and the thermal Sunyaev-Zel'dovich effect
In this paper, we implement a component separation method based on the internal linear combination (ILC) approach which we have designed to optimally account for the anisotropic noise (in the 2D Fourier domain) often found in ground-based CMB experiments.
Cosmology and Nongalactic Astrophysics Astrophysics of Galaxies
The Simons Observatory: Science goals and forecasts
With up to an order of magnitude lower polarization noise than maps from the Planck satellite, the high-resolution sky maps will constrain cosmological parameters derived from the damping tail, gravitational lensing of the microwave background, the primordial bispectrum, and the thermal and kinematic Sunyaev-Zel'dovich effects, and will aid in delensing the large-angle polarization signal to measure the tensor-to-scalar ratio.
Cosmology and Nongalactic Astrophysics
Multitracer CMB delensing maps from Planck and WISE data
In this work, we provide a detailed characterization of a full-sky, dust-cleaned cosmic infrared background (CIB) map for delensing and construct a further-improved delensing template by adding additional tracers to increase delensing performance.
Cosmology and Nongalactic Astrophysics
Evidence for the kinematic Sunyaev-Zeľdovich effect with ACTPol and velocity reconstruction from BOSS
We use microwave temperature maps from two seasons of data from the Atacama Cosmology Telescope (ACTPol) at 146 GHz, together with the Constant Mass CMASS galaxy sample from the Baryon Oscillation Spectroscopic Survey to measure the kinematic Sunyaev-Ze\v{l}dovich (kSZ) effect over the redshift range z = 0. 4 - 0. 7.
Cosmology and Nongalactic Astrophysics
