JR
Johan Richard
astro-ph.GAastro-ph.COastro-phastro-ph.IMastro-ph.HEastro-ph.SRastro-ph.EPgr-qcCosmologyGeneral relativity and gravity
On Valency
published · living versionsW_qrebeyf5·v1 · currentpublished
The Density Profiles of Massive, Relaxed Galaxy Clusters. I. The Total Density Over Three Decades in Radius
with Andrew B. Newman, Tommaso Treu, Richard S. Ellis, David J. Sand +2
1 version
W_6ggp2au4·v1published
W_8cn52cpr·v1published
W_jrkty9f3·v1published
W_dxbn52qd·v1published
W_a6p874tp·v1published
W_apemzkjw·v1published
W_rfxtpjh5·v1published
Preprints & journals
376 papers in the corpus · 2003–2026Kinematically isolating intracluster light in AS1063: a distinct stellar population tracing the dark matter core2610.28013v1 · Callum Bellhouse, Steven Bamford, Nina Hatch et al.2026 · 0 citationsarXiv
4MOST Low Resolution Spectrographs Characterization in Chile2609.01219v1 · Florence Laurent, Didier Boudon, Eric Daguise et al.2026 · 0 citationsarXiv
ESO-VLT BlueMUSE instrument - Conceptual Design for Phase A2607.20182v1 · Florence Laurent, Johan Richard, R'emi Giroud et al.2026 · 0 citationsarXiv
VENUS: an ultra-faint galaxy hosting the metal-poor type II supernova at Witnessing the initial metal enrichment with extremely frequent core-collapse supernovae?2607.14355v1 · Yoshihisa Asada, Seiji Fujimoto, Joseph F. V. Allingham et al.2026 · 0 citationsarXiv
A redshift of z=3.20 for the bright arc in eMACSJ2229.9-0808: Comment on Wagner & Falco (2026) "Hamilton's Object revisited: A challenging source redshift of a strong lensing configuration"2607.06673v1 · Ian Smail, Johan Richard, Harald Ebeling et al.2026 · 0 citationsarXiv
Predisposition of galaxy clusters to producing exotic hyperbolic umbilic lensing configurations2606.31583v1 · Quentin Basto, Johan Richard, David J. Lagattuta et al.2026 · 0 citationsarXiv
Design and Testing of the Motorized 2-DoF Folding Mirror 1 for the VLT BlueMUSE Instrument2606.18865v1 · Gloria Mellinand, Diane Chapuis Kerouanton, Malak Galal et al.2026 · 0 citationsarXiv
Motorized Mount for the 3-DoF Folding Mirror 2 of the VLT's BlueMUSE Instrument2606.18873v1 · Gloria Mellinand, Diane Chapuis, Malak Galal et al.2026 · 0 citationsarXiv
Two Exciting High-redshift Galaxy Candidates Turn Out to Be Two Exciting Ultra-cool Brown Dwarfs2604.23668v2 · Marusa Bradac, Chris Willott, Yoshihisa Asada et al.2026 · 0 citationsarXiv
A GLIMPSE of the 99%: a census of the faintest galaxies during the epoch of reionization and its implications for galaxy formation models2604.23823v2 · Hakim Atek, Iryna Chemerynska, Lukas J. Furtak et al.2026 · 1 citationarXiv
MUSE-DARK-II: 3D morpho-kinematic modelling of lensed galaxies. Tully-Fisher relation of star-forming galaxies2603.28856v1 · Alexandre Jeanneau, Johan Richard, Nicolas F. Bouch'e et al.2026 · 1 citationA&A 709, A120 (2026)
Accurate spectroscopic redshift estimation using non-negative matrix factorization: application to MUSE spectra2603.09389v1 · Masten Bourahma, Nicolas F. Bouch'e, Roland Bacon et al.2026 · 0 citationsA&A 709, A129 (2026)
VENUS: Strong-lensing model of MACS J1931.8-2635 -- revealing the farthest multiply imaged supernova2602.14074v2 · Joseph F. V. Allingham, Adi Zitrin, Vasily Kokorev et al.2026 · 1 citationApJ 1005 215 (2026)
A first GLIMPSE into star clusters populations across cosmic time2601.16281v2 · Ad'elaide Claeyssens, Angela Adamo, Vasily Kokorev et al.2026 · 2 citationsarXiv
Hedorah, the first yellow supergiant Kaiju star candidate at revealed by JWST behind AS10632601.11704v2 · J.M. Diego, J.M. Palencia, C. Goolsby et al.2026 · 0 citationsarXiv
Caught in Swallowtails: Discovery of Two Swallowtail Image Formations in MS 0451.6-03052601.10097v1 · Ashish K. Meena, Wenlei Chen, Lukas J. Furtak et al.2026 · 0 citationsarXiv
VENUS: Two Faint Little Red Dots Separated by Hidden in a Single Lensed Galaxy at 2601.06015v1 · Hiroto Yanagisawa, Masami Ouchi, Miriam Golubchik et al.2026 · 2 citationsarXiv
A spectroscopically confirmed, strongly lensed, metal-poor Type II supernova at z = 5.132601.04156v2 · David A. Coulter, Conor Larison, Justin D. R. Pierel et al.2026 · 0 citationsarXiv
GLIMPSE-D: An Exotic Balmer-Jump Object at z=6.20? Revisiting Photometric Selection and the Cosmic Abundance of Pop III Galaxies2512.11790v3 · Seiji Fujimoto, Yoshihisa Asada, Rohan P. Naidu et al.2025 · 0 citationsarXiv
Spectroscopic characterization of a remarkable temporally varying, triple-lensed quasar at z=2.672512.10811v3 · Charlie Lind-Thomsen, Kasper E. Heintz, Albert Sneppen et al.2025 · 0 citationsarXiv
SLICE -- Combining Strong Lensing and X-ray in AC 114. Further Insights into the Merger Scenario2512.09512v2 · Marceau Limousin, Benjamin Beauchesne, Keren Sharon et al.2025 · 0 citationsarXiv
Spatially Resolved Physical Properties of Young Star Clusters and Star-forming Clumps in the Brightest z>6 Galaxy, the Strongly Lensed Cosmic Spear at z=6.22512.08054v2 · Abdurro'uf, Dan Coe, Tom Resseguier et al.2025 · 2 citationsarXiv
Highly-ionized gas in lensed z = 6.027 Little Red Dot seen through [OIII] 88m with ALMA2512.05097v1 · Kirsten K. Knudsen, Johan Richard, Mathilde Jauzac et al.2025 · 0 citationsarXiv
VENUS: When Red meets Blue -- A multiply imaged Little Red Dot with an apparent blue companion behind the galaxy cluster Abell 3832512.02117v2 · Miriam Golubchik, Lukas J. Furtak, Joseph F. V. Allingham et al.2025 · 3 citationsA&A 710, A226 (2026)
VENUS: A Strongly Lensed Clumpy Galaxy at behind the Galaxy Cluster MACS J0257.1-23252511.14483v3 · Minami Nakane, Vasily Kokorev, Seiji Fujimoto et al.2025 · 1 citationarXiv
JWST's GLIMPSE: an overview of the deepest probe of early galaxy formation and cosmic reionization2511.07542v1 · Hakim Atek, John Chisholm, Vasily Kokorev et al.2025 · 3 citationsarXiv
4MOST Cosmology Redshift Survey (CRS): Clustering Properties of CRS Bright Galaxy and Luminous Red Galaxy Target Catalogues2510.02449v4 · Behnood Bandi, Antoine Rocher, Aur'elien Verdier et al.2025 · 0 citationsarXiv
UV Spectral Slope and Nebular Dust Attenuation in Dwarf Galaxies at 2510.00427v1 · Anahita Alavi, Brian Siana, Harry I. Teplitz et al.2025 · 0 citationsarXiv
The first GLIMPSE of the faint galaxy population at Cosmic Dawn with JWST: The evolution of the ultraviolet luminosity function across z~9-152509.24881v1 · Iryna Chemerynska, Hakim Atek, Lukas J. Furtak et al.2025 · 14 citationsarXiv
A GLIMPSE of Intermediate Mass Black holes in the epoch of reionization: Witnessing the Descendants of Direct Collapse?2509.20452v3 · Qinyue Fei, Seiji Fujimoto, Rohan P. Naidu et al.2025 · 5 citationsarXiv
Early galaxy evolution: The complex interstellar medium distribution of the z~7 galaxy A1689-zD12509.19475v1 · Kirsten K. Knudsen, Darach Watson, Johan Richard et al.2025 · 1 citationarXiv
A comprehensive separation of dark matter and baryonic mass components in galaxy clusters I: Mass constraints from Abell S10632509.07762v2 · Benjamin Beauchesne, Benjamin Cl'ement, Marceau Limousin et al.2025 · 0 citationsMon Not R Astron Soc (2026)
A comprehensive separation of dark matter and baryonic mass components in galaxy clusters II: an overview of the mass distribution in Abell S10632509.07777v2 · Benjamin Beauchesne, Benjamin Cl'ement, Marceau Limousin et al.2025 · 1 citationMon Not R Astron Soc (2026)
The 4MOST-Cosmology Redshift Survey: Target Selection of Bright Galaxies and Luminous Red Galaxies2508.07311v1 · Aurelien Verdier, Antoine Rocher, Behnood Bandi et al.2025 · 5 citationsMon Not R Astron Soc (2025)
The z = 9.625 Cosmic Gems Galaxy was a "Compact Blue Monster" Propelled by Massive Star Clusters2507.18699v2 · E. Vanzella, M. Messa, A. Adamo et al.2025 · 12 citationsA&A 705, A171 (2026)
Stripped and Enriched: The Role of Ram-Pressure in Shaping Chemical Enrichment of Galaxies at Intermediate Redshift2504.06339v2 · Amir H. Khoram, Bianca Poggianti, Alessia Moretti et al.2025 · 2 citationsarXiv
Strong LensIng and Cluster Evolution (SLICE) with JWST: Early Results, Lens Models, and High-Redshift Detections2503.17498v2 · Catherine Cerny, Guillaume Mahler, Keren Sharon et al.2025 · 4 citationsThe Astrophysical Journal, 2026, Volume 1001, Number 1, Page 60
Euclid Quick Data Release (Q1). The first catalogue of strong-lensing galaxy clusters2503.15330v1 · P. Bergamini, M. Meneghetti, A. Acebron et al.2025 · 2 citationsarXiv
Compact Size, High SFR: Defining Morphological Features of Ly-Emitters2501.07548v2 · Keunho Kim, Anahita Alavi, Christopher Snapp-Kolas et al.2025 · 1 citationarXiv
The MUSE Extremely Deep Field: Classifying the Spectral Shapes of Lya Emitting Galaxies2411.14327v1 · E. Vitte, A. Verhamme, P. Hibon et al.2024 · 8 citationsA&A 694, A100 (2025)
ALMA Lensing Cluster Survey: Dust mass measurements as a function of redshift, stellar-mass and star formation rate, from z=1 to z=52411.11212v1 · Jean-Baptiste Jolly, Kirsten Knudsen, Nicolas Laporte et al.2024 · 3 citationsA&A 693, A190 (2025)
MusE GAs FLOw and Wind (MEGAFLOW) XII. Rationale and design of a MgII survey of the cool circum-galactic medium with MUSE and UVES: The MEGAFLOW Survey2411.07014v2 · N. F. Bouch'e, M. Wendt, J. Zabl et al.2024 · 11 citationsA&A 694, A67 (2025)
Tracing star formation across cosmic time at tens of parsec-scales in the lensing cluster field Abell 27442410.10974v1 · Ad'elaide Claeyssens, Angela Adamo, Matteo Messa et al.2024 · 27 citationsarXiv
All the Little Things in Abell 2744: $>$1000 Gravitationally Lensed Dwarf Galaxies at from JWST NIRCam Grism Spectroscopy2410.01874v1 · Rohan P. Naidu, Jorryt Matthee, Ivan Kramarenko et al.2024 · 6 citationsarXiv
Mass & Light in Galaxy Clusters: The case of Abell 3702409.04584v2 · M. Limousin, A. Niemiec, B. Beauchesne et al.2024 · 5 citationsA&A 693, A33 (2025)
The Blue Multi Unit Spectroscopic Explorer (BlueMUSE) on the VLT: characterization of two VPHG prototypes based on dichromated gelatin and photopolymer recording materials2406.13913v1 · Alexandre Jeanneau, Andrea Bianco, Andrew Clawson et al.2024 · 1 citationarXiv
The Blue Multi Unit Spectroscopic Explorer (BlueMUSE) on the VLT: science drivers and overview of instrument design2406.13914v2 · Johan Richard, R'emi Giroud, Florence Laurent et al.2024 · 6 citationsarXiv
The Blue Multi Unit Spectroscopic Explorer (BlueMUSE) on the VLT: End-To-End simulator 'BlueSi'2406.13915v1 · Martin Wendt, Norberto Castro, Sven Martens et al.2024 · 0 citationsProc. SPIE 13101-78, Software and Cyberinfrastructure for Astronomy VIII, (18 June 2024)
The MUSE eXtremely Deep Field: Detections of circumgalactic SiII* emission at z>~22406.04399v2 · Haruka Kusakabe, Valentin Mauerhofer, Anne Verhamme et al.2024 · 6 citationsA&A 691, A255 (2024)
Euclid: Early Release Observations -- A preview of the Euclid era through a galaxy cluster magnifying lens2405.13504v1 · H. Atek, R. Gavazzi, J. R. Weaver et al.2024 · 11 citationsA&A 697, A15 (2025)
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