activity
20172026
most citedThe Simons Observatory: Science goals and forecasts

1.5k citations · 2.9k across the 36 of their papers we have counts for

collaborators

38 papers

astro-ph.HE2026

Semi-supervised morphological classification of fast radio bursts from the second CHIME/FRB catalogue

Bo Lin Fan, Renée Hložek, Antonio Herrera Martin

Understanding the morphology of fast radio bursts (FRB), and whether all sources repeat, are key challenges that are becoming more tractable given the increase in data from surveys…

astro-ph.CO2026

Here, There and Everywhere: How AGN jets affect galaxy cluster environments

Isaac Rosenberg, Martine Lokken, Renée Hložek +3

Active galactic nuclei (AGN) feedback via black hole-driven jets and winds plays a key role in redistributing matter across megaparsec scales. However, the implementation of jet fe…

astro-ph.CO2026

The Atacama Cosmology Telescope: Probing new signatures of ultralight axions with gravitational lensing

Alex Laguë, Keir K. Rogers, Mathew S. Madhavacheril +14

Ultralight axions (ULAs) are well-motivated dark matter particle candidates that arise in many extensions of the Standard Model of particle physics. ULAs with mass $m_\mathrm{a} \l…

astro-ph.CO2026

Probing Physics Beyond the Standard Model through Combined Analyses of Next-Generation Type Ia Supernova, CMB, and BAO Surveys

Srinivasan Raghunathan, Ayan Mitra, Nikolina Šarčević +11

Observations of Type Ia supernovae (\sne), which probe the late Universe, together with baryon acoustic oscillations (BAO) and the cosmic microwave background (CMB), which probe th…

astro-ph.CO2026

Cosmic voids as a probe of the nature of dark matter: simulations and galaxy survey forecasts

Alexander Spencer London, Keir K. Rogers, Alex Laguë +2

Voids are parts of the cosmic web least affected by non-linearities and baryonic feedback. We thus calculate the sensitivity of voids to the nature of dark matter (DM), using ultra…

astro-ph.IM2025

Picture an Astronomer: Best Practices for Retaining Talent in Astrophysics

Ava Polzin, Katherine E. Whitaker, C. Megan Urry +85

Women are consistently underrepresented in astrophysics yet are simultaneously subject to disproportionate attrition at every career stage. This disparity between demonstrated effi…

astro-ph.CO2025

The Simons Observatory: forecasted constraints on primordial gravitational waves with the expanded array of Small Aperture Telescopes

The Simons Observatory Collaboration, I. Abril-Cabezas, S. Adachi +479

We present updated forecasts for the scientific performance of the degree-scale (0.5 deg FWHM at 93 GHz), deep-field survey to be conducted by the Simons Observatory (SO). By 2027,…

astro-ph.GA2025★ 1 cited

Towards characterizing dark matter subhalo perturbations in stellar streams with graph neural networks

Peter Xiangyuan Ma, Keir K. Rogers, Ting S. Li +4

The phase space of stellar streams is proposed to detect dark substructure in the Milky Way through the perturbations created by passing subhalos - and thus is a powerful test of t…

astro-ph.CO2024

Running the small-correlated-against-large estimator at scale: Applications of small-scale CMB lensing estimators on realistic simulations

Victor C. Chan, Renée Hložek, Joel Meyers +1

The Small-Correlated-Against-Large Estimator (SCALE) for small-scale lensing of the cosmic microwave background (CMB) provides a novel method for measuring the amplitude of CMB len…

astro-ph.CO2024★ 4 cited

Superclustering with the Atacama Cosmology Telescope and Dark Energy Survey: II. Anisotropic large-scale coherence in hot gas, galaxies, and dark matter

M. Lokken, A. van Engelen, M. Aguena +73

Statistics that capture the directional dependence of the baryon distribution in the cosmic web enable unique tests of cosmology and astrophysical feedback. We use constrained orie…

astro-ph.CO2024★ 14 cited

Evidence for large baryonic feedback at low and intermediate redshifts from kinematic Sunyaev-Zel'dovich observations with ACT and DESI photometric galaxies

B. Hadzhiyska, S. Ferraro, B. Ried Guachalla +70

Recent advances in cosmological observations have provided an unprecedented opportunity to investigate the distribution of baryons relative to the underlying matter. In this work,…

astro-ph.IM2024

Global Data in Astronomy: Challenges and Opportunities

Renee Hložek, Chenzhou Cui, Mark Allen +7

Policy Brief on "Global Data in Astronomy: Challenges and Opportunities", distilled from the corresponding panel that was part of the discussions during S20 Policy Webinar on Astro…

astro-ph.IM2024★ 1 cited

AstroInformatics: Recommendations for Global Cooperation

Ashish Mahabal, Pranav Sharma, Rana Adhikari +45

Policy Brief on "AstroInformatics, Recommendations for Global Collaboration", distilled from panel discussions during S20 Policy Webinar on Astroinformatics for Sustainable Develop…

astro-ph.CO2023★ 3 cited

The Atacama Cosmology Telescope: High-resolution component-separated maps across one-third of the sky

William R. Coulton, Mathew S. Madhavacheril, Adriaan J. Duivenvoorden +151

Observations of the millimeter sky contain valuable information on a number of signals, including the blackbody cosmic microwave background (CMB), Galactic emissions, and the Compt…

astro-ph.CO2023★ 4 cited

The Atacama Cosmology Telescope: Mitigating the impact of extragalactic foregrounds for the DR6 CMB lensing analysis

Niall MacCrann, Blake D. Sherwin, Frank J. Qu +47

We investigate the impact and mitigation of extragalactic foregrounds for the CMB lensing power spectrum analysis of Atacama Cosmology Telescope (ACT) data release 6 (DR6) data. Tw…

astro-ph.CO2023★ 347 cited

The Atacama Cosmology Telescope: DR6 Gravitational Lensing Map and Cosmological Parameters

Mathew S. Madhavacheril, Frank J. Qu, Blake D. Sherwin +156

We present cosmological constraints from a gravitational lensing mass map covering 9400 sq. deg. reconstructed from CMB measurements made by the Atacama Cosmology Telescope (ACT) f…

astro-ph.CO2023★ 280 cited

The Atacama Cosmology Telescope: A Measurement of the DR6 CMB Lensing Power Spectrum and its Implications for Structure Growth

Frank J. Qu, Blake D. Sherwin, Mathew S. Madhavacheril +155

We present new measurements of cosmic microwave background (CMB) lensing over sq. deg. of the sky. These lensing measurements are derived from the Atacama Cosmology Telescop…

hep-ph2022★ 2 cited

Report of the Topical Group on Cosmic Probes of Dark Matter for Snowmass 2021

Alex Drlica-Wagner, Chanda Prescod-Weinstein, Hai-Bo Yu +37

Cosmological and astrophysical observations currently provide the only robust, positive evidence for dark matter. Cosmic probes of dark matter, which seek to determine the fundamen…

astro-ph.CO2022★ 2 cited

Snowmass2021 Cosmic Frontier White Paper: Enabling Flagship Dark Energy Experiments to Reach their Full Potential

Jonathan A. Blazek, Doug Clowe, Thomas E. Collett +25

A new generation of powerful dark energy experiments will open new vistas for cosmology in the next decade. However, these projects cannot reach their utmost potential without data…

astro-ph.IM2020

Results of the Photometric LSST Astronomical Time-series Classification Challenge (PLAsTiCC)

R. Hložek, K. A. Ponder, A. I. Malz +19

Next-generation surveys like the Legacy Survey of Space and Time (LSST) on the Vera C. Rubin Observatory will generate orders of magnitude more discoveries of transients and variab…

astro-ph.IM2020

NDRIO White Paper: Envisioning Digital Research Infrastructure for the Simons Observatory

Adam D. Hincks, Simone Aiola, J. Richard Bond +11

Observations of the cosmic microwave background (CMB) are an incredibly fertile source of information for studying the origins and evolution of the Universe. Canadian digital resea…

astro-ph.CO2020★ 162 cited

The Atacama Cosmology Telescope: Combined kinematic and thermal Sunyaev-Zel'dovich measurements from BOSS CMASS and LOWZ halos

Emmanuel Schaan, Simone Ferraro, Stefania Amodeo +55

The scattering of cosmic microwave background (CMB) photons off the free-electron gas in galaxies and clusters leaves detectable imprints on high resolution CMB maps: the thermal a…

astro-ph.IM2020★ 110 cited

The Atacama Cosmology Telescope: DR5 maps of 18,000 square degrees of the microwave sky from ACT 2008-2018 data

Sigurd Naess, Simone Aiola, Jason E. Austermann +59

This paper presents a maximum-likelihood algorithm for combining sky maps with disparate sky coverage, angular resolution and spatially varying anisotropic noise into a single map…

astro-ph.CO2020★ 84 cited

The Atacama Cosmology Telescope: Constraints on Cosmic Birefringence

Toshiya Namikawa, Yilun Guan, Omar Darwish +51

We present new constraints on anisotropic birefringence of the cosmic microwave background polarization using two seasons of data from the Atacama Cosmology Telescope covering $456…