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Ralf S. Klessen

Universität Heidelberg

93H-index
988Paper Count
3.2WCitation Count
Published Papers 489
Publication Date
Nowhere Left to Hide: Uncovering All of the Massive Young Embedded Star Clusters in the Antennae with JWST*
err2026-04-27
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errRupali Chandar; Miranda Caputo; Paul Goudfrooij; Sean T. Linden; Angus Mok; Cory Whitcomb; Grant Donnelly; Florent Renaud; John-David T. Smith; Alberto Bolatto; Danny A. Dale; Sara Duval; Lindsey Hands; Ralf Klessen; Caroline Kuczek; Karin Sandstrom; Eva Schinnerer; Fabian Walter
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The fragmentation properties of massive star-forming regions in 30Dor-10 at 2000 au resolution
err2026-04-22
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errAlessio Traficante; María J. Jiménez-Donaire; Remy Indebetouw; Tony Wong; Alice Nucara; Ralf S. Klessen; Patrick Hennebelle; Ugo Lebreuilly; Chiara Mininni; Sergio Molinari; Elena Sabbi; Juan D. Soler
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Localized Deviations from the CO–Polycyclic Aromatic Hydrocarbon Relation in PHANGS-JWST Galaxies: Faint Polycyclic Aromatic Hydrocarbon Emission or Elevated CO Emissivity?
err2026-04-06
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errJaeyeon Kim; Adam K. Leroy; Karin Sandstrom; Sharon E. Meidt; Yu-Hsuan Teng; Miguel Querejeta; Eva Schinnerer; Susan E. Clark; Ryan Chown; Simon C. O. Glover; Daniel A. Dale; Dalya Baron; Jessica Sutter; Ashley T. Barnes; Jakob den Brok; Rupali Chandar; I-Da Chiang; Oleg V. Egorov; Kathryn Grasha; Ralf S. Klessen; Kathryn Kreckel; Eric W. Koch; Hannah Koziol; Lukas Neumann; Hsi-An Pan; Sophia K. Stuber; Tony D. Weinbeck; Thomas G. Williams
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Galaxy Ultraviolet Legacy Project: Survey Description and First Insights into NGC 4449 Recent History of Star Formation
err2026-03-26
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errE. Sabbi; B. Meena; P. Zeidler; V. Bajaj; D. Calzetti; J. J. Eldridge; P. Facchini; S. Linden; P. A. Crowther; A. Adamo; L. Bianchi; M. Cignoni; B. G. Elmegreen; D. M. Elmegreen; J. S. Gallagher III; M. Gennaro; E. K. Grebel; R. S. Klessen; A. Pasquali; L. J. Smith; A. Wofford
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JWST Observations of Starbursts: Polycyclic Aromatic Hydrocarbons Closely Trace the Cool Phase of M82’s Galactic Wind
err2026-02-24
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errSebastian Lopez; Colton Ring; Adam K. Leroy; Serena A. Cronin; Alberto D. Bolatto; Laura A. Lopez; Vicente Villanueva; Deanne B. Fisher; Todd A. Thompson; Grant P. Donnelly; Lee Armus; Torsten Böker; Leindert A. Boogaard; Martha L. Boyer; Ryan Chown; Daniel A. Dale; Keaton Donaghue; Kimberly Emig; Simon C. O. Glover; Rodrigo Herrera-Camus; Ralf S. Klessen; Thomas S.-Y. Lai; Laura Lenkić; Rebecca C. Levy; David S. Meier; Elisabeth Mills; Juergen Ott; Evan D. Skillman; J. D. T. Smith; Elizabeth J. Tarantino; Sylvain Veilleux; Fabian Walter; Paul P. van der Werf
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ALMAGAL. VII. Cataloging Hierarchical Continuum Structure from Cores to Clumps across the Galactic Disk
err2026-02-17
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errJennifer Wallace; Taevis Kolz; Cara Battersby; Aleksandra Kuznetsova; Álvaro Sánchez-Monge; Eugenio Schisano; Alessandro Coletta; Qizhou Zhang; Sergio Molinari; Peter Schilke; Paul T. P. Ho; Rolf Kuiper; Tianwei Zhang; Thomas Möller; Ralf S. Klessen; Maria T. Beltrán; Floris van der Tak; Stefania Pezzuto; Henrik Beuther; Alessio Traficante; Davide Elia; Leonardo Bronfman; Pamela Klaassen; Dariusz C. Lis; Luca Moscadelli; Kazi Rygl; Milena Benedettini; Chi Yan Law; Jofre Allande; Alice Nucara; Patrick M. Koch; Won-ju Kim; Patricio Sanhueza; Gary Fuller; Georgie Stroud; Beth Jones; Crystal Brogan; Todd Hunter; Aida Ahmadi; Adam Avison; Katharine Johnston; Sheng-Yuan Liu; Chiara Mininni; Yu-Nung Su; Hans Zinnecker
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How is cold, star-forming gas in galaxies affected by magnetic fields?
err2026-01-01
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PREAI
errBogue, Kamran R. J.; Smith, Rowan J.; Tress, Robin G.; Low, Mordecai-Mark Mac; Whitworth, David J.; Klessen, Ralf S.; Brucy, Noe; Girichidis, Philipp; Glover, Simon C. O.; Goller, Junia; Soler, Juan D.; Traficante, Alessio
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Masses; Star Formation Efficiencies; and Dynamical Evolution of 18; 000 H ii Regions
err2025-10-24
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errDebosmita Pathak; Adam K. Leroy; Ashley. T. Barnes; Todd A. Thompson; Laura A. Lopez; Karin M. Sandstrom; Jiayi Sun; Simon C. O. Glover; Ralf S. Klessen; Eric W. Koch; Kirsten L. Larson; Janice Lee; Sharon Meidt; Patricia Sanchez-Blazquez; Eva Schinnerer; Zein Bazzi; Francesco Belfiore; Médéric Boquien; Ryan Chown; Dario Colombo; Enrico Congiu; Oleg V. Egorov; Cosima Eibensteiner; Sushma Kurapati; Miguel Querejeta; Daniel A. Dale; Timo Kravtsov; Mansi Padave; D. J. Pisano; Erik Rosolowsky; Sumit K. Sarbadhicary; Thomas G. Williams; Remy Indebetouw; Hsi-An Pan; Leonardo Úbeda; Amirnezam Amiri; Frank Bigiel; Guillermo A. Blanc; Kathryn Grasha
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Characterization of Two Cool Galaxy Outflow Candidates Using Mid-infrared Emission from Polycyclic Aromatic Hydrocarbons
err2025-10-03
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errJessica Sutter; Karin Sandstrom; Ryan Chown; Oleg Egorov; Adam K. Leroy; Jérémy Chastenet; Alberto D. Bolatto; Thomas G. Williams; Daniel A. Dale; Amirnezam Amiri; Médéric Boquien; Yixian Cao; Simthembile Dlamini; Éric Emsellem; Hsi-An Pan; Debosmita Pathak; Hwihyun Kim; Ralf S. Klessen; Hannah Koziol; Erik Rosolowsky; Sumit K. Sarbadhicary; Eva Schinnerer; David A. Thilker; Leonardo Úbeda; Tony Weinbeck
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Quantification of the Age Dependence of Mid-infrared Star Formation Rate Indicators
err2025-09-29
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errDaniela Calzetti; Robert C. Kennicutt; Angela Adamo; Karin Sandstrom; Daniel A. Dale; Bruce Elmegreen; John S. Gallagher; Benjamin Gregg; Varun Bajaj; Torsten Böker; Giacomo Bortolini; Martha Boyer; Matteo Correnti; Ilse De Looze; Bruce T. Draine; Ana Duarte-Cabral; Helena Faustino Vieira; Kathryn Grasha; L. K. Hunt; Kelsey E. Johnson; Ralf S. Klessen; Mark R. Krumholz; Thomas S.-Y. Lai; Drew Lapeer; Sean T. Linden; Matteo Messa; Göran Östlin; Alex Pedrini; Mònica Relaño; Elena Sabbi; Eva Schinnerer; Evan Skillman; Linda J. Smith; Monica Tosi; Fabian Walter; Tony D. Weinbeck
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The Resolved Structure of a Low-metallicity Photodissociation Region
err2025-09-09
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errIlyse Y. Clark; Karin Sandstrom; Mark Wolfire; Alberto D. Bolatto; Jérémy Chastenet; Daniel A. Dale; Brandt A. L. Gaches; Simon C. O. Glover; Javier R. Goicoechea; Karl D. Gordon; Brent Groves; Lindsey Hands; Ralf Klessen; Ilse De Looze; J. D. T. Smith; Dries Van De Putte; Stefanie K. Walch
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PHANGS-HST Catalogs for ∼100; 000 Star Clusters and Compact Associations in 38 Galaxies. II. Physical Properties from Decision-tree-based Spectral Energy Distribution Fitting of NUV-U-B-V-I Photometry with Categorical Priors Set by Hα Emission; Cluster Morphology; and Other Auxiliary Information
err2025-08-11
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PREAI
errDavid A. Thilker; Janice C. Lee; Bradley C. Whitmore; Daniel Maschmann; Kiana Henny; Rupali Chandar; Daniel A. Dale; Sinan Deger; Médéric Boquien; Aida Wofford; Leonardo Úbeda; Alessandro Razza; Ashley T. Barnes; Francesco Belfiore; Frank Bigiel; Kathryn Grasha; Brent Groves; Hwihyun Kim; Ralf S. Klessen; Justus Neumann; Francesca Pinna; M. Jimena Rodríguez; Erik Rosolowsky; Eva Schinnerer; Thomas G. Williams
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Extreme cloud collisions in nearby barred galaxies
err2025-08-01
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errKolcu, Tutku; Sormani, Mattia C.; Maciejewski, Witold; Stuber, Sophia K.; Schinnerer, Eva; Fragkoudi, Francesca; Barnes, Ashley T.; Bigiel, Frank; Chevance, Melanie; Colombo, Dario; Emsellem, Eric; Glover, Simon C. O.; Henshaw, Jonathan D.; Klessen, Ralf S.; Meidt, Sharon E.; Neumann, Justus; Pinna, Francesca; Querejeta, Miguel; Williams, Thomas G.
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Timescales of Polycyclic Aromatic Hydrocarbon and Dust Continuum Emission from Gas Clouds Compared to Molecular Gas Cloud Lifetimes in PHANGS-JWST Galaxies
err2025-07-25
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PREAI
errJaeyeon Kim; Mélanie Chevance; Lise Ramambason; Kathryn Kreckel; Ralf S. Klessen; Daniel A. Dale; Adam K. Leroy; Karin Sandstrom; Ryan Chown; Thomas G. Williams; Sumit K. Sarbadhicary; Francesco Belfiore; Frank Bigiel; Enrico Congiu; Oleg V. Egorov; Eric Emsellem; Simon C. O. Glover; Kathryn Grasha; Annie Hughes; J. M. Diederik Kruijssen; Janice C. Lee; Debosmita Pathak; Ismael Pessa; Erik Rosolowsky; Jiayi Sun; Jessica Sutter; David A. Thilker
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The spectrum of magnetized turbulence in the interstellar medium
err2025-05-13
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PREAI
errBeattie, James R.; Federrath, Christoph; Klessen, Ralf S.; Cielo, Salvatore; Bhattacharjee, Amitava
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Cloud-scale Gas Properties, Depletion Times, and Star Formation Efficiency per Freefall Time in PHANGS-ALMA
err2025-05-12
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errLeroy, Adam K.; Sun, Jiayi; Meidt, Sharon; Agertz, Oscar; Chiang, I-Da; Gensior, Jindra; Glover, Simon C. O.; Gnedin, Oleg Y.; Hughes, Annie; Schinnerer, Eva; Barnes, Ashley T.; Bigiel, Frank; Bolatto, Alberto D.; Colombo, Dario; den Brok, Jakob; Chevance, Melanie; Chown, Ryan; Eibensteiner, Cosima; Gleis, Damian R.; Grasha, Kathryn; Henshaw, Jonathan D.; Klessen, Ralf S.; Koch, Eric W.; Oakes, Elias K.; Pan, Hsi-An; Querejeta, Miguel; Rosolowsky, Erik; Saito, Toshiki; Sandstrom, Karin; Sarbadhicary, Sumit K.; Teng, Yu-Hsuan; Usero, Antonio; Utomo, Dyas; Williams, Thomas G.
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3D CMZ. IV. Distinguishing Near versus Far Distances in the Galactic Center Using Spitzer and Herschel
err2025-05-08
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errLipman, Dani; Battersby, Cara; Walker, Daniel L.; Sormani, Mattia C.; Bally, John; Barnes, Ashley; Ginsburg, Adam; Glover, Simon C. O.; Henshaw, Jonathan D.; Hatchfield, H. Perry; Immer, Katharina; Klessen, Ralf S.; Longmore, Steven N.; Mills, Elisabeth A. C.; Smith, Rowan; Tress, R. G.; Alboslani, Danya; Zhang, Qizhou
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3D CMZ. III. Constraining the 3D Structure of the Central Molecular Zone via Molecular Line Emission and Absorption
err2025-05-08
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errWalker, Daniel L.; Battersby, Cara; Lipman, Dani; Sormani, Mattia C.; Ginsburg, Adam; Glover, Simon C. O.; Henshaw, Jonathan D.; Longmore, Steven N.; Klessen, Ralf S.; Immer, Katharina; Alboslani, Danya; Bally, John; Barnes, Ashley; Hatchfield, H. Perry; Mills, Elisabeth A. C.; Smith, Rowan; Tress, Robin G.; Zhang, Qizhou
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3D CMZ. I. Central Molecular Zone Overview
err2025-05-08
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errBattersby, Cara; Walker, Daniel L.; Barnes, Ashley; Ginsburg, Adam; Lipman, Dani; Alboslani, Danya; Hatchfield, H. Perry; Bally, John; Glover, Simon C. O.; Henshaw, Jonathan D.; Immer, Katharina; Klessen, Ralf S.; Longmore, Steven N.; Mills, Elisabeth A. C.; Molinari, Sergio; Smith, Rowan; Sormani, Mattia C.; Tress, Robin G.; Zhang, Qizhou
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3D CMZ. II. Hierarchical Structure Analysis of the Central Molecular Zone
err2025-05-08
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errBattersby, Cara; Walker, Daniel L.; Barnes, Ashley; Ginsburg, Adam; Lipman, Dani; Alboslani, Danya; Hatchfield, H. Perry; Bally, John; Glover, Simon C. O.; Henshaw, Jonathan D.; Immer, Katharina; Klessen, Ralf S.; Longmore, Steven N.; Mills, Elisabeth A. C.; Molinari, Sergio; Smith, Rowan; Sormani, Mattia C.; Tress, Robin G.; Zhang, Qizhou
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