216 citations · 1.8k across the 59 of their papers we have counts for
45 papers · 1 filter
Probing submillimeter number counts below the confusion limit: extreme-value statistics of the P(D) distribution and its modulation by gravitational lensing
Kaustuv Basu, Andrea Guerrero, Frank Bertoldi
The shape of the submillimeter galaxy number counts below the confusion limit is a key record of cosmic star formation but is accessible only statistically, through the one-point d…
Constraining the average magnetic field in galaxy clusters with current and upcoming CMB surveys
Vyoma Muralidhara, Kaustuv Basu
Galaxy clusters that host radio halos indicate the presence of population(s) of non-thermal electrons. These electrons can scatter low-energy photons of the Cosmic Microwave Backgr…
A Foreground-Immune CMB-Cluster Lensing Estimator
Kevin Levy, Srinivasan Raghunathan, Kaustuv Basu
Galaxy clusters induce a distinct dipole pattern in the cosmic microwave background (CMB) through the effect of gravitational lensing. Extracting this lensing signal will enable us…
Forming intracluster gas in a galaxy protocluster at a redshift of 2.16
Luca Di Mascolo, Alexandro Saro, Tony Mroczkowski +12
Galaxy clusters are the most massive gravitationally bound structures in the Universe, comprising thousands of galaxies and pervaded by a diffuse, hot ``intracluster medium'' (ICM)…
WHIM-hunting through cross-correlation of optical and SZ effect data in the Virgo cluster filaments
Cagri Erciyes, Kaustuv Basu, Suk Kim +1
Context. The physical state of most of the baryonic matter in the local universe is unknown, which is commonly referred to as the ``missing baryon problem". It is theorized that at…
Snowmass2021 CMB-HD White Paper
HD Collaboration, Simone Aiola, Yashar Akrami +61
CMB-HD is a proposed millimeter-wave survey over half the sky that would be ultra-deep (0.5 uK-arcmin) and have unprecedented resolution (15 arcseconds at 150 GHz). Such a survey w…
CCAT-prime Collaboration: Science Goals and Forecasts with Prime-Cam on the Fred Young Submillimeter Telescope
Prime collaboration, M. Aravena, J. E. Austermann +84
We present a detailed overview of the science goals and predictions for the Prime-Cam direct detection camera/spectrometer being constructed by the CCAT-prime collaboration for ded…
Discovery of a Supercluster in the eROSITA Final Equatorial Depth Survey: X-ray Properties, Radio Halo, and Double Relics
V. Ghirardini, E. Bulbul, D. N. Hoang +27
We examine the X-ray, optical, and radio properties for the members clusters of a new supercluster discovered during the SRG/eROSITA Performance Verification phase. In the 140 deg2…
MERGHERS Pilot: MeerKAT discovery of diffuse emission in nine massive Sunyaev-Zel'dovich-selected galaxy clusters from ACT
K. Knowles, D. S. Pillay, S. Amodeo +26
The MeerKAT Exploration of Relics, Giant Halos, and Extragalactic Radio Sources (MERGHERS) survey is a planned project to study a large statistical sample of galaxy clusters with t…
Forecasts for Next Generation tSZ Surveys: the Impact of a Cosmology-Dependent Selection Function
Nikhel Gupta, Cristiano Porciani, Kaustuv Basu
The thermal Sunyaev-Zel'dovich (tSZ) effect is one of the primary tools for finding and characterizing galaxy clusters. Several ground-based experiments are either underway or are…
CMB-HD: Astro2020 RFI Response
Neelima Sehgal, Simone Aiola, Yashar Akrami +45
CMB-HD is a proposed ultra-deep (0.5 uk-arcmin), high-resolution (15 arcseconds) millimeter-wave survey over half the sky that would answer many outstanding questions in both funda…
New Horizons in Cosmology with Spectral Distortions of the Cosmic Microwave Background
J. Chluba, M. H. Abitbol, N. Aghanim +27
Voyage 2050 White Paper highlighting the unique science opportunities using spectral distortions of the cosmic microwave background (CMB). CMB spectral distortions probe many proce…
A Space Mission to Map the Entire Observable Universe using the CMB as a Backlight
Kaustuv Basu, Mathieu Remazeilles, Jean-Baptiste Melin +22
This Science White Paper, prepared in response to the ESA Voyage 2050 call for long-term mission planning, aims to describe the various science possibilities that can be realized w…
Microwave Spectro-Polarimetry of Matter and Radiation across Space and Time
Jacques Delabrouille, Maximilian H. Abitbol, Nabila Aghanim +77
This paper discusses the science case for a sensitive spectro-polarimetric survey of the microwave sky. Such a survey would provide a tomographic and dynamic census of the three-di…
Weak lensing measurements of the APEX-SZ galaxy cluster sample
Matthias Klein, Holger Israel, Aarti Nagarajan +5
We present a weak lensing analysis for galaxy clusters from the APEX-SZ survey. For massive galaxy clusters that were observed via the Sunyaev-Zel\textquotesingle dovich effec…
An ALMA+ACA measurement of the shock in the Bullet Cluster
Luca Di Mascolo, Tony Mroczkowski, Eugene Churazov +9
The thermal Sunyaev-Zeldovich (SZ) effect presents a relatively new tool for characterizing galaxy cluster merger shocks, traditionally studied through X-ray observations. Widely r…
CMB-HD: An Ultra-Deep, High-Resolution Millimeter-Wave Survey Over Half the Sky
Neelima Sehgal, Simone Aiola, Yashar Akrami +37
A millimeter-wave survey over half the sky, that spans frequencies in the range of 30 to 350 GHz, and that is both an order of magnitude deeper and of higher-resolution than curren…
Spectral Distortions of the CMB as a Probe of Inflation, Recombination, Structure Formation and Particle Physics
J. Chluba, A. Kogut, S. P. Patil +98
Following the pioneering observations with COBE in the early 1990s, studies of the cosmic microwave background (CMB) have focused on temperature and polarization anisotropies. CMB…
"SZ spectroscopy" in the coming decade: Galaxy cluster cosmology and astrophysics in the submillimeter
Kaustuv Basu, Jens Erler, Jens Chluba +30
Sunyaev-Zeldovich (SZ) effects were first proposed in the 1970s as tools to identify the X-ray emitting hot gas inside massive clusters of galaxies and obtain their velocities rela…
Probing Feedback in Galaxy Formation with Millimeter-wave Observations
Nicholas Battaglia, J. Colin Hill, Stefania Amodeo +14
Achieving a precise understanding of galaxy formation in a cosmological context is one of the great challenges in theoretical astrophysics, due to the vast range of spatial scales…
Science from an Ultra-Deep, High-Resolution Millimeter-Wave Survey
Neelima Sehgal, Ho Nam Nguyen, Joel Meyers +66
Opening up a new window of millimeter-wave observations that span frequency bands in the range of 30 to 500 GHz, survey half the sky, and are both an order of magnitude deeper (abo…
Astrophysics with the Spatially and Spectrally Resolved Sunyaev-Zeldovich Effects: A Millimetre/Submillimetre Probe of the Warm and Hot Universe
Tony Mroczkowski, Daisuke Nagai, Kaustuv Basu +15
In recent years, observations of the Sunyaev-Zeldovich (SZ) effect have had significant cosmological implications and have begun to serve as a powerful and independent probe of the…
Weak-lensing mass calibration of the Sunyaev-Zel'dovich effect using APEX-SZ galaxy clusters
A. Nagarajan, F. Pacaud, M. Sommer +16
The use of galaxy clusters as precision cosmological probes relies on an accurate determination of their masses. However, inferring the relationship between cluster mass and observ…
MERGHERS: An SZ-selected cluster survey with MeerKAT
Kenda Knowles, Andrew Baker, Kaustuv Basu +20
The MeerKAT telescope will be one of the most sensitive radio arrays in the pre-SKA era. Here we discuss a low-frequency SZ-selected cluster survey with MeerKAT, the MeerKAT Extend…