184 citations · 963 across the 25 of their papers we have counts for
25 papers
Velocity recostruction with graph neural networks
Hideki Tanimura, Albert Bonnefous, Jia Liu +1
In this work, we seek to improve the velocity reconstruction of clusters by using Graph Neural Networks -- a type of deep neural network designed to analyze sparse, unstructured da…
Testing decaying dark matter models as a solution to the tension with the thermal Sunyaev-Zel'dovich effect
Hideki Tanimura, Marian Douspis, Nabila Aghanim +1
Considering possible solutions to the tension between the Planck cosmic microwave background (CMB) measurement and low-redshift probes, we extended the standard CDM cosmol…
Self-supervised component separation for the extragalactic submillimeter sky
V. Bonjean, H. Tanimura, N. Aghanim +2
We use a new approach based on self-supervised deep learning networks originally applied to transparency separation in order to simultaneously extract the components of the extraga…
X-ray emission from cosmic web filaments in SRG/eROSITA data
Hideki Tanimura, Nabila Aghanim, Marian Douspis +1
Using the publicly available eROSITA Final Equatorial Depth Survey (eFEDS) data, we detected the stacked X-ray emissions at the position of 463 filaments at a significance of 3.8 s…
Convolutional Neural Network-reconstructed velocity for kinetic SZ detection
Hideki Tanimura, Nabila Aghanim, Victor Bonjean +1
We report the detection of the kinetic Sunyaev-Zel'dovich (kSZ) effect in galaxy clusters with a 4.9 sigma significance using the latest 217 GHz Planck map from data release 4. For…
Constraining AGN feedback model with SZ profile
Hideki Tanimura, Gary Hinshaw, Ian G. McCarthy +7
Relativistic jets from AGN have a wide range of impacts on galaxy groups and clusters and are key for understanding their formation and physical properties. However, this non-gravi…
Cosmic backgrounds from the radio to the far-infrared: recent results and perspectives from cosmological and astrophysical surveys
Carlo Burigana, Elia Sefano Battistelli, Laura Bonavera +8
Cosmological and astrophysical surveys in various wavebands, in particular from the radio to the far-infrared, offer a unique view of the universe's properties and the formation an…
Constraining cosmology with a new all-sky Compton parameter map from the Planck PR4 data
Hideki Tanimura, Marian Douspis, Nabila Aghanim +1
We constructed a new all-sky Compton parameter map (y-map) of the thermal Sunyaev-Zel'dovich (tSZ) effect from the 100 to 857 GHz frequency channel maps delivered within the Planck…
First detection of stacked X-ray emission from cosmic web filaments
H. Tanimura, N. Aghanim, A. Kolodzig +2
We report the first statistical detection of X-ray emission from cosmic web filaments in ROSAT data. We selected 15,165 filaments at 0.2<z<0.6 ranging from 30 Mpc to 100 Mpc in len…
Properties of gas phases around cosmic filaments at z=0 in the Illustris-TNG simulation
Daniela Galárraga-Espinosa, Nabila Aghanim, Mathieu Langer +1
We present the study of gas phases around cosmic-web filaments detected in the TNG300-1 hydro-dynamical simulation at redshift z=0. We separate the gas in five different phases acc…
Direct detection of the kinetic Sunyaev-Zel'dovich effect in galaxy clusters
Hideki Tanimura, Saleem Zaroubi, Nabila Aghanim
We report the direct detection of the kinetic Sunyaev-Zel'dovich (kSZ) effect in galaxy clusters with a 3.5 sigma significance level. The measurement was performed by stacking the…
Characterising filaments in the SDSS volume from the galaxy distribution
Nicola Malavasi, Nabila Aghanim, Marian Douspis +2
Detecting the large-scale structure of the Universe based on the galaxy distribution and characterising its components is of fundamental importance in astrophysics but is also a di…
Filament profiles from WISExSCOS galaxies as probes of the impact of environmental effects
V. Bonjean, N. Aghanim, M. Douspis +2
The role played by the large-scale structures in the galaxy evolution is not quite well understood yet. In this study, we investigate properties of galaxy in the range 0.1<z<0.3 fr…
Like a spider in its web: a study of the Large Scale Structure around the Coma cluster
Nicola Malavasi, Nabila Aghanim, Hideki Tanimura +2
The Cosmic Web is a complex network of filaments, walls and voids that represent the largest structures in the Universe. In this network, which is the direct result of structure fo…
Density and temperature of cosmic-web filaments on scales of tens of megaparsecs
H. Tanimura, N. Aghanim, V. Bonjean +2
We studied physical properties of matter in 24,544 filaments ranging from 30 to 100 Mpc in length, identified in the Sloan Digital Sky Survey (SDSS). We stacked the Comptonization…
Probing galaxy cluster and intra-cluster gas with luminous red galaxies
Yan Gong, Yin-Zhe Ma, Hideki Tanimura
We use the cross-correlation between the thermal Sunyaev-Zeldovich (tSZ) signal measured by the Planck satellite and the luminous red galaxy (LRG) samples provided by the SDSS DR7…
Probing hot gas around luminous red galaxies through the Sunyaev-Zel'dovich effect
Hideki Tanimura, Gary Hinshaw, Ian G. McCarthy +7
We construct the mean thermal Sunyaev-Zel'dovich (tSZ) Comptonization y profile around Luminous Red Galaxies (LRGs) in the redshift range 0.16 < z < 0.47 from the Sloan Digital Sky…
Detection of intercluster gas in superclusters using the thermal Sunyaev-Zel'dovich effect
H. Tanimura, N. Aghanim, M. Douspis +2
Using a thermal Sunyaev-Zel'dovich (tSZ) signal, we search for hot gas in superclusters identified using the Sloan Digital Sky Survey Data Release 7 (SDSS/DR7) galaxies. We stack a…
Multi-wavelength scaling relations in galaxy groups: a detailed comparison of GAMA and KiDS observations to BAHAMAS simulations
Arthur Jakobs, Massimo Viola, Ian McCarthy +18
We study the scaling relations between the baryonic content and total mass of groups of galaxies, as these systems provide a unique way to examine the role of non-gravitational pro…
Cross-correlating Planck tSZ with RCSLenS weak lensing: Implications for cosmology and AGN feedback
Alireza Hojjati, Tilman Tröster, Joachim Harnois-Déraps +11
We present measurements of the spatial mapping between (hot) baryons and the total matter in the Universe, via the cross-correlation between the thermal Sunyaev-Zeldovich (tSZ) map…
Search for VHE gamma rays from SS433/W50 with the CANGAROO-II telescope
Sei. Hayashi, F. Kajino, T. Naito +48
SS433, located at the center of the supernova remnant W50, is a close proximity binary system consisting of a compact star and a normal star. Jets of material are directed outwards…
CANGAROO-III Observations of the supernova remnant RX J0852.04622
R. Enomoto, S. Watanabe, T. Tanimori et al
Sub-TeV gamma-ray emission from the North-West rim of the supernova remnant RX J0852.04622 was detected with the CANGAROO-II telescope and recently confirmed by the H.E.S.S. gro…
Detection of Gamma-rays around 1TeV from RX J0852.0-4622 by CANGAROO-II
H. Katagiri, R. Enomoto, L. T. Ksenofontov +1
We have detected gamma-ray emission at the 6sigma level at energies greater than 500GeV from the supernova remnant RX J0852.0-4622 (G266.2-1.2) using the CANGAROO-II Imaging Atmosp…
Detection of Sub-TeV Gamma-Rays from the Galactic Center Direction by CANGAROO-II
K. Tsuchiya, R. Enomoto, L. T. Ksenofontov +3
We have detected sub-TeV gamma-ray emission from the direction of the Galactic Center (GC) using the CANGAROO-II Imaging Atmospheric Cherenkov Telescope (IACT). We detected a stati…