papers

Publications (42)

astro-ph.CO2016

Optical-SZE Scaling Relations for DES Optically Selected Clusters within the SPT-SZ Survey

A. Saro, S. Bocquet, J. Mohr +68

We study the Sunyaev-Zel'dovich effect (SZE) signature in South Pole Telescope (SPT) data for an ensemble of 719 optically identified galaxy clusters selected from 124.6 deg of…

astro-ph.GA2019

Galaxy populations in the most distant SPT-SZ clusters - I. Environmental quenching in massive clusters at

V. Strazzullo, M. Pannella, J. J. Mohr +25

We present first results from a galaxy population study in the highest redshift galaxy clusters identified in the 2500 deg South Pole Telescope Sunyaev Zel'dovich effect (SPT-S…

astro-ph.CO2019

Mass Calibration of Optically Selected DES clusters using a Measurement of CMB-Cluster Lensing with SPTpol Data

S. Raghunathan, S. Patil, E. Baxter +129

We use cosmic microwave background (CMB) temperature maps from the 500 deg SPTpol survey to measure the stacked lensing convergence of galaxy clusters from the Dark Energy Su…

astro-ph.CO2018

Weak Lensing Analysis of SPT selected Galaxy Clusters using Dark Energy Survey Science Verification Data

C. Stern, J. P. Dietrich, S. Bocquet +70

We present weak lensing (WL) mass constraints for a sample of massive galaxy clusters detected by the South Pole Telescope (SPT) via the Sunyaev-Zeldovich effect (SZE). We use $gri…

astro-ph.CO2015

The XXL Survey. II. The bright cluster sample: catalogue and luminosity function

F. Pacaud, N. Clerc, P. A. Giles +40

Context. The XXL Survey is the largest survey carried out by the XMM-Newton satellite and covers a total area of 50 square degrees distributed over two fields. It primarily aims at…

astro-ph.CO2019

Measurement of the Splashback Feature around SZ-selected Galaxy Clusters with DES, SPT and ACT

T. Shin, S. Adhikari, E. J. Baxter +107

We present a detection of the splashback feature around galaxy clusters selected using their Sunyaev-Zel'dovich (SZ) signal. Recent measurements of the splashback feature around op…

astro-ph.EP2024

Gliese 12 b: A temperate Earth-sized planet at 12 pc ideal for atmospheric transmission spectroscopy

M. Kuzuhara, A. Fukui, J. H. Livingston +103

Recent discoveries of Earth-sized planets transiting nearby M dwarfs have made it possible to characterize the atmospheres of terrestrial planets via follow-up spectroscopic observ…

astro-ph.EP2026

A gem system with a lava world and a habitable zone sub-Neptune orbiting TOI-1752

A. Peláez-Torres, F. J. Pozuelos, G. Morello +47

The Transiting Exoplanet Survey Satellite (TESS) has delivered a large number of transiting planet candidates around nearby stars by identifying periodic decreases in stellar brigh…

astro-ph.CO2015

The XXL Survey: I. Scientific motivations - XMM-Newton observing plan - Follow-up observations and simulation programme

M. Pierre, F. Pacaud, C. Adami +89

We present the XXL Survey, the largest XMM programme totaling some 6.9 Ms to date and involving an international consortium of roughly 100 members. The XXL Survey covers two extrag…

astro-ph.CO2018

The XXL Survey XX: The 365 cluster catalogue

C. Adami, P. Giles, E. Koulouridis +54

In the currently debated context of using clusters of galaxies as cosmological probes, the need for well-defined cluster samples is critical. The XXL Survey has been specifically d…

astro-ph.CO2024

: A Fast Memory-based Emulator of the Global 21 cm Signal with Unprecedented Accuracy

J. Dorigo Jones, S. M. Bahauddin, D. Rapetti +2

Neural network (NN) emulators of the global 21 cm signal need emulation error much less than the observational noise in order to be used to perform unbiased Bayesian parameter infe…

astro-ph.EP2025

A planetary system with a sub-Neptune planet in the habitable zone of TOI-2093

J. Sanz-Forcada, E. González-Álvarez, M. R. Zapatero Osorio +33

Aims. We aim to confirm and measure the mass of the transiting planet candidate around the K5V star TOI-2093, previously announced by the Transiting Exoplanet Survey Satellite (TES…

astro-ph.CO2019

Cluster Cosmology Constraints from the 2500 deg SPT-SZ Survey: Inclusion of Weak Gravitational Lensing Data from Magellan and the Hubble Space Telescope

S. Bocquet, J. P. Dietrich, T. Schrabback +77

We derive cosmological constraints using a galaxy cluster sample selected from the 2500~deg SPT-SZ survey. The sample spans the redshift range and contains 343 c…

astro-ph.CO2018

Baryon Content in a Sample of 91 Galaxy Clusters Selected by the South Pole Telescope at 0.2 < z < 1.25

I. Chiu, J. J. Mohr, M. McDonald +89

We estimate total mass (), intracluster medium (ICM) mass () and stellar mass () in a Sunyaev-Zel'dovich effect (SZE) selected sample of 91 ga…

astro-ph.GA2017

The XXL survey: first results and future

M. Pierre, C. Adami, M. Birkinshaw +108

The XXL survey currently covers two 25 sq. deg. patches with XMM observations of ~10ks. We summarise the scientific results associated with the first release of the XXL data set, t…

astro-ph.CO2016

Cosmological Constraints from Galaxy Clusters in the 2500 square-degree SPT-SZ Survey

T. de Haan, B. A. Benson, L. E. Bleem +74

(abridged) We present cosmological constraints obtained from galaxy clusters identified by their Sunyaev-Zel'dovich effect signature in the 2500 square degree South Pole Telescope…

astro-ph.CO2016

Detection of the kinematic Sunyaev-Zel'dovich effect with DES Year 1 and SPT

B. Soergel, S. Flender, K. T. Story +80

We detect the kinematic Sunyaev-Zel'dovich (kSZ) effect with a statistical significance of by combining a cluster catalogue derived from the first year data of the Dark En…

astro-ph.CO2021

Global 21-cm Cosmology from the Farside of the Moon

Jack Burns, Stuart Bale, Richard Bradley +12

One of the last unexplored windows to the cosmos, the Dark Ages and Cosmic Dawn, can be opened using a simple low frequency radio telescope from the stable, quiet lunar farside to…

astro-ph.EP2024

TOI-4860 b, a short-period giant planet transiting an M3.5 dwarf

J. M. Almenara, X. Bonfils, E. M. Bryant +47

We report the discovery and characterisation of a giant transiting planet orbiting a nearby M3.5V dwarf (d = 80.4 pc, = 15.1 mag, =11.2 mag, R = 0.358 0.015 R$…

astro-ph.CO2016

Quantifying Tensions between CMB and Distance Datasets in Models with Free Curvature or Lensing Amplitude

S. Grandis, D. Rapetti, A. Saro +2

Recent measurements of the Cosmic Microwave Background (CMB) by the Planck Collaboration have produced arguably the most powerful observational evidence in support of the standard…

astro-ph.CO2009

Cosmological Studies With A Large-Area X-ray Telescope

A. Vikhlinin, S. W. Allen, M. Arnaud +11

A moderate investment of observing time with the International X-ray Observatory to study high-redshift galaxy clusters detected in future large-scale surveys, will provide cosmolo…

astro-ph.CO2017

Testing for X-ray-SZ Differences and Redshift Evolution in the X-ray Morphology of Galaxy Clusters

D. Nurgaliev, M. McDonald, B. A. Benson +12

We present a quantitative study of the X-ray morphology of galaxy clusters, as a function of their detection method and redshift. We analyze two separate samples of galaxy clusters…

astro-ph.EP2024

The CARMENES search for exoplanets around M dwarfs. Revisiting the GJ 581 multi-planetary system with new Doppler measurements from CARMENES, HARPS, and HIRES

A. von Stauffenberg, T. Trifonov, A. Quirrenbach +18

GJ 581 is a nearby M dwarf known to host a packed multiple planet system with 2 super-Earths and a Neptune-mass planet. We present new orbital analyses of the system, utilizing rec…

astro-ph.EP2026

Discovery and characterisation of two exoplanets orbiting the metal-poor, solar-type star TOI-5788 with TESS, CHEOPS, and HARPS-N

Ben S. Lakeland, A. Mortier, R. D. Haywood +48

We present the discovery and characterisation of two transiting exoplanets orbiting the metal-poor, solar-type star TOI-5788. From our analysis of six \textit{TESS} sectors and a d…

astro-ph.CO2016

SPT-GMOS: A Gemini/GMOS-South Spectroscopic Survey of Galaxy Clusters in the SPT-SZ Survey

M. B. Bayliss, J. Ruel, C. W. Stubbs +75

We present the results of SPT-GMOS, a spectroscopic survey with the Gemini Multi-Object Spectrograph (GMOS) on Gemini South. The targets of SPT-GMOS are galaxy clusters identified…

astro-ph.CO2018

The Splashback Feature around DES Galaxy Clusters: Galaxy Density and Weak Lensing Profiles

C. Chang, E. Baxter, B. Jain +82

Splashback refers to the process of matter that is accreting onto a dark matter halo reaching its first orbital apocenter and turning around in its orbit. The cluster-centric radiu…

astro-ph.IM2025

Identifying Habitable Exoplanets with Radio Telescopes on the Lunar Farside

N. Mahesh, J. D. Bowman, J. O. Burns +11

The search for habitable conditions beyond Earth is a top priority in astrophysics. The discovery of habitable exoplanets beyond our solar system will require a suite of instrument…

astro-ph.EP2023

A resonant sextuplet of sub-Neptunes transiting the bright star HD 110067

R. Luque, H. P. Osborn, A. Leleu +149

Planets with radii between that of the Earth and Neptune (hereafter referred to as sub-Neptunes) are found in close-in orbits around more than half of all Sun-like stars. Yet, thei…

astro-ph.CO2018

Galaxy Kinematics and Mass Calibration in Massive SZE Selected Galaxy Clusters to z=1.3

R. Capasso, A. Saro, J. J. Mohr +27

The galaxy phase-space distribution in galaxy clusters provides insights into the formation and evolution of cluster galaxies, and it can also be used to measure cluster mass profi…

astro-ph.CO2019

A Detection of CMB-Cluster Lensing using Polarization Data from SPTpol

S. Raghunathan, S. Patil, E. Baxter +126

We report the first detection of gravitational lensing due to galaxy clusters using only the polarization of the cosmic microwave background (CMB). The lensing signal is obtained u…

astro-ph.CO2023

Validating posteriors obtained by an emulator when jointly-fitting mock data of the global 21-cm signal and high-z galaxy UV luminosity function

J. Dorigo Jones, D. Rapetti, J. Mirocha +3

Although neural-network-based emulators enable efficient parameter estimation in 21-cm cosmology, the accuracy of such constraints is poorly understood. We employ nested sampling t…

astro-ph.EP2024

TOI-3568 b: a super-Neptune in the sub-Jovian desert

E. Martioli, R. P. Petrucci, E. Jofre +42

The sub-Jovian desert is a region in the mass-period and radius-period parameter space, typically encompassing short-period ranges between super-Earths and hot Jupiters, that exhib…

astro-ph.CO2019

Dark Cosmology: Investigating Dark Matter & Exotic Physics in the Dark Ages using the Redshifted 21-cm Global Spectrum

Jack O. Burns, S. Bale, N. Bassett +15

The Dark Ages, probed by the redshifted 21-cm signal, is the ideal epoch for a new rigorous test of the standard LCDM cosmological model. Divergences from that model would indicate…

astro-ph.CO2018

Sunyaev-Zel'dovich Effect and X-ray Scaling Relations from Weak-Lensing Mass Calibration of 32 SPT Selected Galaxy Clusters

J. P. Dietrich, S. Bocquet, T. Schrabback +27

Uncertainty in the mass-observable scaling relations is currently the limiting factor for galaxy cluster based cosmology. Weak gravitational lensing can provide a direct mass calib…

astro-ph.CO2018

A Measurement of CMB Cluster Lensing with SPT and DES Year 1 Data

E. J. Baxter, S. Raghunathan, T. M. Crawford +118

Clusters of galaxies gravitationally lens the cosmic microwave background (CMB) radiation, resulting in a distinct imprint in the CMB on arcminute scales. Measurement of this effec…

astro-ph.CO2025

The Wrath of KAN: Enabling Fast, Accurate, and Transparent Emulation of the Global 21 cm Cosmology Signal

J. Dorigo Jones, B. Reyes, D. Rapetti +3

Based on the Kolmogorov-Arnold Network (KAN), we present a novel emulator of the global 21 cm cosmology signal, , that provides extremely fast training speed whil…

astro-ph.EP2023

The SOPHIE search for northern extrasolar planets-XIX. A system including a cold sub-Neptune potentially transiting a V = 6.5 star HD88986

N. Heidari, I. Boisse, N. C. Hara +51

Transiting planets with orbital periods longer than 40 d are extremely rare among the 5000+ planets discovered so far. The lack of discoveries of this population poses a challenge…

astro-ph.CO2017

The XXL Survey: XXIII. The Mass Scale of XXL Clusters from Ensemble Spectroscopy

A. Farahi, V. Guglielmo, A. E. Evrard +34

An X-ray survey with the XMM-Newton telescope, XMM-XXL, has identified hundreds of galaxy groups and clusters in two 25 deg fields. Combining spectroscopic and X-ray observatio…

astro-ph2008

New constraints on dark energy from the observed growth of the most X-ray luminous galaxy clusters

A. Mantz, S. W. Allen, H. Ebeling +1

We present constraints on the mean matter density, Omega_m, the normalization of the density fluctuation power spectrum, sigma_8, and the dark-energy equation-of-state parameter, w…

astro-ph.CO2016

High Frequency Cluster Radio Galaxies: Luminosity Functions and Implications for SZE Selected Cluster Samples

N. Gupta, A. Saro, J. J. Mohr +13

We study the overdensity of point sources in the direction of X-ray-selected galaxy clusters from the Meta-Catalog of X-ray detected Clusters of galaxies (MCXC; $\langle z \rangle…

astro-ph.CO2025

Emulating Global 21 cm Cosmology Observations from the Lunar Far Side to Achieve Quick and Reliable Physical Constraints

J. Dorigo Jones, J. O. Burns, D. Rapetti +3

Efforts are underway to measure the global 21 cm signal from neutral hydrogen, which is a powerful probe of the early universe, using NASA radio telescopes on the far side of the M…

astro-ph.CO2022

Cosmological Constraints from DES Y1 Cluster Abundances and SPT Multi-wavelength data

M. Costanzi, A. Saro, S. Bocquet +87

We perform a joint analysis of the counts of redMaPPer clusters selected from the Dark Energy Survey (DES) Y1 data and multi-wavelength follow-up data collected within the 2500 deg…