activity
20232026
most citedThe Atacama Cosmology Telescope DR6 and DESI: Structure formation over cosmic time with a measurement of the cross-correlation of CMB Lensing and Luminous Red Galaxies

38 citations · 123 across the 20 of their papers we have counts for

collaborators

21 papers

astro-ph.CO2026

Optical Depths from the Thermal Sunyaev-Zel'dovich Effect with ACT DR6 and DESI DR1 Spectroscopic Galaxies and Optically-Selected Clusters

J. E. Moore, C. Popik, Y. Gong +66

We present stacked thermal Sunyaev-Zel'dovich (tSZ) effect measurements for three samples of galaxy groups and clusters: those traced by the Dark Energy Spectroscopic Instrument Da…

astro-ph.CO2026

The Atacama Cosmology Telescope: Constraints on the anisotropic screening and birefringence effects with DR6

Darby M. Kramer, Alexander van Engelen, Frank J. Qu +14

While we have learned much from recent surveys of the mm-wave sky, many secondary anisotropies of the CMB remain under-explored. We consider two of these here: the anisotropic scre…

astro-ph.CO2026

Constraining primordial oscillations and inflationary particle production with Planck, ACT DR6, and DESI DR2

Simran K. Nerval, Renee Hlozek, Hidde T. Jense +1

Non-standard inflationary models often predict oscillatory features in the primordial power spectrum. We present constraints on general oscillatory templates for primordial power s…

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

The Atacama Cosmology Telescope: Constraints on Local Non-Gaussianity from the ACT Cluster Catalog

Leonid Sarieddine, J. Richard Bond, Matt Hilton +8

We derive constraints on local-type primordial non-Gaussianity using the ACT DR6 Sunyaev--Zel'dovich cluster catalog. Modeling the redshift- and mass-dependent number counts of 1,2…

astro-ph.CO2025

The Atacama Cosmology Telescope: -mode delensing with DR6 data and external tracers of large-scale structure

Emilie Hertig, Antón Baleato Lizancos, Frank J. Qu +14

Large-scale -mode polarization of the cosmic microwave background (CMB) is a prime target for current and future experiments in search of primordial gravitational waves (PGW). W…

astro-ph.CO2025

The Atacama Cosmology Telescope: Cross-correlation of kSZ and continuity equation velocity reconstruction with photometric DESI LRGs

Fiona McCarthy, Boryana Hadzhiyska, J. Richard Bond +12

Over the last year, kinematic Sunyaev--Zel'dovich (kSZ) velocity reconstruction -- the measurement of the large-scale velocity field using the anisotropic statistics of the small-s…

astro-ph.CO2025

The thermal and kinematic Sunyaev-Zeldovich effect in galaxy clusters and filaments using multifrequency temperature maps of the cosmic microwave background: Abell 399--Abell 401 cluster pair case study

Ajay S. Gill, Yilun Guan, Adam D. Hincks +19

We present a multifrequency and multi-instrument methodology to study the physical properties of galaxy clusters and cosmic filaments using cosmic microwave background observations…

astro-ph.CO2025★ 3 cited

Deciphering Baryonic Feedback from ACT tSZ Galaxy Clusters

Nihar Dalal, Chun-Hao To, Chris Hirata +4

The next generation of cosmology surveys will probe the matter distribution of the universe to unparalleled precision. To match this level of precision in cosmological parameter es…

astro-ph.CO2025★ 20 cited

Unified and consistent structure growth measurements from joint ACT, SPT and \textit{Planck} CMB lensing

Frank J. Qu, Fei Ge, W. L. Kimmy Wu +143

We present the tightest cosmic microwave background (CMB) lensing constraints to date on the growth of structure by combining CMB lensing measurements from the Atacama Cosmology Te…

astro-ph.CO2025★ 2 cited

The Atacama Cosmology Telescope: DR6 Maps

Sigurd Naess, Yilun Guan, Adriaan J. Duivenvoorden +163

We present Atacama Cosmology Telescope (ACT) Data Release 6 (DR6) maps of the Cosmic Microwave Background temperature and polarization anisotropy at arcminute resolution over three…

astro-ph.CO2025★ 14 cited

The Atacama Cosmology Telescope: DR6 Constraints on Extended Cosmological Models

Erminia Calabrese, J. Colin Hill, Hidde T. Jense +169

We use new cosmic microwave background (CMB) primary temperature and polarization anisotropy measurements from the Atacama Cosmology Telescope (ACT) Data Release 6 (DR6) to test fo…

astro-ph.CO2025★ 11 cited

The Atacama Cosmology Telescope: DR6 Power Spectra, Likelihoods and CDM Parameters

Thibaut Louis, Adrien La Posta, Zachary Atkins +165

We present power spectra of the cosmic microwave background (CMB) anisotropy in temperature and polarization, measured from the Data Release 6 maps made from Atacama Cosmology Tele…

astro-ph.IM2025

The Atacama Cosmology Telescope: Machine Learning Driven Tools for Detecting Millimeter Sources in Timestream Pre-processing

Simran K. Nerval, Erika Hornecker, Yilun Guan +14

We present a new pipeline utilizing machine learning for classifying short-duration features in raw time-ordered data (TOD) of cosmic microwave background survey observations. The…

astro-ph.CO2024★ 8 cited

The Atacama Cosmology Telescope: Semi-Analytic Covariance Matrices for the DR6 CMB Power Spectra

Zachary Atkins, Zack Li, David Alonso +18

The Atacama Cosmology Telescope Data Release 6 (ACT DR6) power spectrum is expected to provide state-of-the-art cosmological constraints, with an associated need for precise error…

astro-ph.CO2024★ 1 cited

The Atacama Cosmology Telescope: A measurement of galaxy cluster temperatures through relativistic corrections to the thermal Sunyaev-Zeldovich effect

William R. Coulton, Adriaan J. Duivenvoorden, Zachary Atkins +32

The high electron temperature in galaxy clusters (keV or K) leads to corrections at the level of a few percent in their thermal Sunyaev-Zeldovich effect signatures.…

astro-ph.CO2024★ 1 cited

The Atacama Cosmology Telescope: Large-scale velocity reconstruction with the kinematic Sunyaev--Zel'dovich effect and DESI LRGs

Fiona McCarthy, Nicholas Battaglia, Rachel Bean +27

The kinematic Sunyaev--Zel'dovich (kSZ) effect induces a non-zero density-density-temperature bispectrum, which we can use to reconstruct the large-scale velocity field from a comb…

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★ 38 cited

The Atacama Cosmology Telescope DR6 and DESI: Structure formation over cosmic time with a measurement of the cross-correlation of CMB Lensing and Luminous Red Galaxies

Joshua Kim, Noah Sailer, Mathew S. Madhavacheril +70

We present a high-significance cross-correlation of CMB lensing maps from the Atacama Cosmology Telescope (ACT) Data Release 6 (DR6) with spectroscopically calibrated luminous red…

astro-ph.CO2024★ 5 cited

Cosmic Neutrino Decoupling and its Observable Imprints: Insights from Entropic-Dual Transport

J. Richard Bond, George M. Fuller, Evan Grohs +2

Very different processes characterize the decoupling of neutrinos to form the cosmic neutrino background (CB) and the much later decoupling of photons from thermal equilibrium t…

astro-ph.CO2023★ 16 cited

The Kinematic Sunyaev-Zel'dovich Effect with ACT, DES, and BOSS: a Novel Hybrid Estimator

M. Mallaby-Kay, S. Amodeo, J. C. Hill +80

The kinematic and thermal Sunyaev-Zel'dovich (kSZ and tSZ) effects probe the abundance and thermodynamics of ionized gas in galaxies and clusters. We present a new hybrid estimator…