1.5k citations · 2.5k across the 31 of their papers we have counts for
31 papers
The Simons Observatory: Development of a Pipeline to Detect Rapid Transients in Time-Ordered Data
Justin Clancy, Carlo Baccigalupi, Carlo Bacciagalupi +15
We introduce a method for detecting astrophysical transients evolving on timescales of milliseconds to minutes using cosmic microwave background (CMB) survey telescopes. While prev…
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…
The Simons Observatory: Quantifying the impact of beam chromaticity on large-scale B-mode science
Nadia Dachlythra, Kevin Wolz, Susanna Azzoni +17
The Simons Observatory (SO) Small Aperture Telescopes (SATs) will observe the Cosmic Microwave Background (CMB) temperature and polarization at six frequency bands. Within these ba…
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…
The Simons Observatory: Combining cross-spectral foreground cleaning with multitracer -mode delensing for improved constraints on inflation
Emilie Hertig, Kevin Wolz, Toshiya Namikawa +16
The Simons Observatory (SO), due to start full science operations in early 2025, aims to set tight constraints on inflationary physics by inferring the tensor-to-scalar ratio f…
Impact of Galactic dust non-Gaussianity on searches for B-modes from inflation
Irene Abril-Cabezas, Carlos Hervías-Caimapo, Sebastian von Hausegger +2
A key challenge in the search for primordial B-modes is the presence of polarized Galactic foregrounds, especially thermal dust emission. Power-spectrum-based analysis methods gene…
The Atacama Cosmology Telescope: Millimeter Observations of a Population of Asteroids or: ACTeroids
John Orlowski-Scherer, Ricco Venterea, Nicholas Battaglia +24
We present fluxes and light curves for a population of asteroids at millimeter (mm) wavelengths, detected by the Atacama Cosmology Telescope (ACT) over 18, 000 deg2 of the sky usin…
The Atacama Cosmology Telescope: Systematic Transient Search of 3-Day Maps
Yaqiong Li, Emily Biermann, Sigurd Naess +34
We conduct a systematic search for transients in three years of data (2017-2019) from the Atacama Cosmology Telescope (ACT). ACT covers 40 percent of the sky at three bands spannin…
Polarization fraction of Planck Galactic cold clumps and forecasts for the Simons Observatory
J. Clancy, G. Puglisi, S. E. Clark +6
We measure the polarization fraction of a sample of Galactic cold clumps at , consisting of Galactic cold clump (PGCC) catalogue category 1 ob…
The Simons Observatory: pipeline comparison and validation for large-scale B-modes
K. Wolz, S. Azzoni, C. Hervias-Caimapo +14
The upcoming Simons Observatory Small Aperture Telescopes aim at achieving a constraint on the primordial tensor-to-scalar ratio at the level of , observin…
Snowmass 2021 CMB-S4 White Paper
Kevork Abazajian, Arwa Abdulghafour, Graeme E. Addison +353
This Snowmass 2021 White Paper describes the Cosmic Microwave Background Stage 4 project CMB-S4, which is designed to cross critical thresholds in our understanding of the origin a…
The Simons Observatory: Galactic Science Goals and Forecasts
Brandon S. Hensley, Susan E. Clark, Valentina Fanfani +31
Observing in six frequency bands from 27 to 280 GHz over a large sky area, the Simons Observatory (SO) is poised to address many questions in Galactic astrophysics in addition to i…
Full-sky, arcminute-scale, 3D models of Galactic microwave foreground dust emission based on filaments
Carlos Hervías-Caimapo, Kevin Huffenberger
We present the DustFilaments code, a full sky model for the millimeter Galactic emission of thermal dust. Our model, composed of millions of filaments that are imperfectly aligned…
Galactic foreground constraints on primordial -mode detection for ground-based experiments
Carlos Hervías-Caimapo, Anna Bonaldi, Michael L. Brown +1
Contamination by polarized foregrounds is one of the biggest challenges for future polarized cosmic microwave background (CMB) surveys and the potential detection of primordial …
The Simons Observatory: the Large Aperture Telescope (LAT)
Zhilei Xu, Shunsuke Adachi, Peter Ade +57
The Simons Observatory (SO) is a Cosmic Microwave Background (CMB) experiment to observe the microwave sky in six frequency bands from 30GHz to 290GHz. The Observatory -- at …
Cyanoacetylene in the outflow/hot molecular core G331.512-0.103
N. U. Duronea, L. Bronfman, E. Mendoza +10
Using APEX-1 and APEX-2 observations, we have detected and studied the rotational lines of the HCN molecule (cyanoacetylene) in the powerful outflow/hot molecular core G331.512…
The Simons Observatory: Astro2020 Decadal Project Whitepaper
The Simons Observatory Collaboration, Maximilian H. Abitbol, Shunsuke Adachi +280
The Simons Observatory (SO) is a ground-based cosmic microwave background (CMB) experiment sited on Cerro Toco in the Atacama Desert in Chile that promises to provide breakthrough…
ALMA Observations of the massive molecular outflow G331.512-0.103 II: physical properties, kinematics, and geometry modeling
Carlos Hervías-Caimapo, Manuel Merello, Leonardo Bronfman +6
We present observations and analysis of the massive molecular outflow G331.512-0.103, obtained with ALMA band 7, continuing the work from Merello et al. (2013). Several lines were…
The Simons Observatory: Science goals and forecasts
The Simons Observatory Collaboration, Peter Ade, James Aguirre +247
The Simons Observatory (SO) is a new cosmic microwave background experiment being built on Cerro Toco in Chile, due to begin observations in the early 2020s. We describe the scient…
G331.512-0.103: An Interstellar Laboratory for Molecular Synthesis I. The Ortho-to-para Ratios for CHOH and CHCN
E. Mendoza, L. Bronfman, N. U. Duronea +7
Spectral line surveys reveal rich molecular reservoirs in G331.512-0.103, a compact radio source in the center of an energetic molecular outflow. In this first work, we analyse the…
Exploring cosmic origins with CORE: mitigation of systematic effects
P. Natoli, M. Ashdown, R. Banerji +123
We present an analysis of the main systematic effects that could impact the measurement of CMB polarization with the proposed CORE space mission. We employ timeline-to-map simulati…
Exploring cosmic origins with CORE: gravitational lensing of the CMB
Anthony Challinor, Rupert Allison, Julien Carron +110
Lensing of the CMB is now a well-developed probe of large-scale clustering over a broad range of redshifts. By exploiting the non-Gaussian imprints of lensing in the polarization o…
Exploring Cosmic Origins with CORE: Survey requirements and mission design
J. Delabrouille, P. de Bernardis, F. R. Bouchet +200
Future observations of cosmic microwave background (CMB) polarisation have the potential to answer some of the most fundamental questions of modern physics and cosmology. In this p…
Exploring Cosmic Origins with CORE: The Instrument
P. de Bernardis, P. A. R. Ade, J. J. A. Baselmans +126
We describe a space-borne, multi-band, multi-beam polarimeter aiming at a precise and accurate measurement of the polarization of the Cosmic Microwave Background. The instrument is…