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Roberto J. Assef

university diego portales

44H-index
277Paper Count
6.9KCitation Count
Published Papers 153
Publication Date
Changing-look Active Galactic Nuclei in SDSS-V: Host-galaxy Properties and Black Hole Scaling Relations
err2026-04-24
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errGrisha Zeltyn; Benny Trakhtenbrot; Michael Eracleous; Scott F. Anderson; Claudio Ricci; Andrea Merloni; Jessie Runnoe; Mirko Krumpe; James Aird; Roberto J. Assef; Catarina Aydar; Franz E. Bauer; W.N. Brandt; Joel R. Brownstein; Johannes Buchner; Kaushik Chatterjee; Laura Duffy; Lorena Hernández-García; Héctor Hernández-Toledo; Anton M. Koekemoer; Sean Morrison; Castalia Alenka Negrete Peñaloza; Mara Salvato; Donald P. Schneider; Yue Shen; Marzena Śniegowska
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The ALPINE-CRISTAL-JWST Survey: Chemical Abundance Comparison between the ISM and CGM of Main-sequence Galaxies at z = 4–6
err2026-03-31
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errWuji Wang; Andreas L. Faisst; Kyle Finner; Livia Vallini; Andrea Pallottini; Enrico Veraldi; Bahram Mobasher; Yu-Heng Lin; Giovanni Zamorani; Vicente Villanueva; Sylvain Veilleux; Keerthi Vasan G. C.; Hannah Übler; Akiyoshi Tsujita; Kseniia Telikova; John D. Silverman; Michael Romano; Monica Relano; Francesca Pozzi; Ambra Nanni; Juan Molina; Lun-Jun Liu; Yuan Li; Mahsa Kohandel; Anton M. Koekemoer; Hanae Inami; Edo Ibar; Rodrigo Herrera-Camus; Ali Hadi; Nicol Gutiérrez-Vera; Michele Ginolfi; Seiji Fujimoto; Miroslava Dessauges-Zavadsky; Ilse De Looze; Poulomi Dam; Elisabete da Cunha; Médéric Boquien; Roberto J. Assef; Manuel Aravena; David B. Sanders
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Predicting Quasar Counts Detectable in the LSST Survey
err2026-03-20
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errGuodong Li; Roberto J. Assef; W.N. Brandt; Matthew J. Temple; Franz E. Bauer; Marcin Marculewicz; Swayamtrupta Panda; Alessandro Peca; Claudio Ricci; Gordon T. Richards; Sarath Satheesh-Sheeba; Chao-Wei Tsai; Jingwen Wu; Ilsang Yoon
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Scalable and Robust Multiband Modeling of AGN Light Curves in Rubin-LSST
err2026-02-10
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PREAI
errYu, Weixiang; Ruan, John J.; Burke, Colin J.; Assef, Roberto J.; Ananna, Tonima T.; Bauer, Franz E.; De Cicco, Demetra; Horne, Keith; Hernandez-Garcia, Lorena; Ilic, Dragana; Jha, Vivek Kumar; Kovacevic, Andjelka B.; Marculewicz, Marcin; Panda, Swayamtrupta; Ricci, Claudio; Richards, Gordon T.; Riffel, Rogemar A.; Schneider, Donald P.; Sanchez-Saez, Paula; Satheesh-Sheeba, Sarath; Tombesi, Francesco; Temple, Matthew J.; Vogeley, Michael S.; Yoon, Ilsang; Zou, Fan
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The ALPINE-CRISTAL-JWST Survey: JWST/IFU Optical Observations for 18 Main-sequence Galaxies at z = 4–6
err2026-01-06
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errA. L. Faisst; S. Fujimoto; A. Tsujita; W. Wang; N. Nezhad; F. Loiacono; H. Übler; M. Béthermin; P. Cassata; M. Dessauges-Zavadsky; R. Herrera-Camus; D. Schaerer; J. D. Silverman; L. Yan; M. Aravena; I. De Looze; N. M. Förster Schreiber; J. González-López; J. Spilker; K. Tadaki; C. M. Casey; M. Franco; S. Harish; H. J. McCracken; J. S. Kartaltepe; A. M. Koekemoer; A. A. Khostovan; D. Liu; J. Rhodes; B. E. Robertson; R. Amorin; R. J. Assef; A. J. Battisti; J. E. Birkin; M. Boquien; E. Da Cunha; P. Dam; R. L. Davies; D. A. Gómez-Espinoza; A. Ferrara; Y. Fudamoto; S. Gillman; M. Ginolfi; G. Gozaliasl; C. Gruppioni; A. Hadi; N. Hathi; E. Ibar; R. Ikeda; H. Inami; G. C. Jones; M. Kohandel; Y. Li; Y.-H. Lin; Z. Liu; L.-J. Liu; A. S. Long; G. Magdis; C. Maraston; C. L. Martin; I. Mitsuhashi; B. Mobasher; J. Molina; A. Nanni; M. Palla; A. Pallottini; F. Pozzi; M. Relano; W. Ren; D. A. Riechers; M. Romano; D. B. Sanders; P. Sawant; M. Shuntov; R. Smit; L. Sommovigo; M. Talia; L. Vallini; E. Veraldi; D. Vergani; A. P. Vijayan; V. Villanueva; G. Zamorani
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Sloan Digital Sky Survey. V. Pioneering Panoptic Spectroscopy
err2025-12-23
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errJuna A. Kollmeier; Hans-Walter Rix; Conny Aerts; James Aird; Pablo Vera Alfaro; Andrés Almeida; Scott F. Anderson; Stefan M. Arseneau; Roberto J. Assef; Shir Aviram; Catarina Aydar; Carles Badenes; Avrajit Bandyopadhyay; Kat Barger; Robert H. Barkhouser; Franz E. Bauer; Aida Behmard; Chad Bender; Felipe Besser; Binod Bhattarai; Pavaman Bilgi; Jonathan Bird; Dmitry Bizyaev; Guillermo A. Blanc; Michael R. Blanton; John Bochanski; Jo Bovy; Christopher Brandon; William Nielsen Brandt; Joel R. Brownstein; Johannes Buchner; Joseph N. Burchett; Joleen Carlberg; Andrew R. Casey; Lesly Castaneda-Carlos; Priyanka Chakraborty; Julio Chanamé; Vedant Chandra; Brian Cherinka; Igor Chilingarian; Johan Comparat; Maren Cosens; Kevin Covey; Jeffrey D. Crane; Nicole R. Crumpler; Irene Cruz-Gonzalez; Katia Cunha; Tim Cunningham; Xinyu Dai; Jeremy Darling; James W. Davidson Jr.; Megan C. Davis; Nathan De Lee; Niall Deacon; José Eduardo Méndez Delgado; Sebastian Demasi; Mariia Demianenko; Mark Derwent; Elena D’Onghia; Francesco Di Mille; Bruno Dias; John Donor; Peter N. Dow; Niv Drory; Tom Dwelly; Oleg Egorov; Evgeniya Egorova; Kareem El-Badry; Mike Engelman; Mike Eracleous; Xiaohui Fan; Emily Farr; Logan Fries; Peter Frinchaboy; Cynthia S. Froning; Boris T. Gänsicke; Pablo García; Joseph Gelfand; Nicola Pietro Gentile Fusillo; Simon Glover; Katie Grabowski; Eva K. Grebel; Paul J. Green; Catherine Grier; Pramod Gupta; Aidan C. Gray; Maximilian Häberle; Patrick B. Hall; Randolph P. Hammond; Keith Hawkins; Albert C. Harding; Viola Hegedűs; Tom Herbst; J. J. Hermes; Paola Rodríguez Hidalgo; Thomas Hilder; David W Hogg; Jon A. Holtzman; Danny Horta; Yang Huang; Hsiang-Chih Hwang; Hector Javier Ibarra-Medel; Julie Imig; Keith Inight; Arghajit Jana; Alexander P. Ji; Óscar Jiménez-Arranz; Paula Jofre; Matt Johns; Jennifer Johnson; James W. Johnson; Evelyn J. Johnston; Amy M Jones; Ivan Katkov; Gillian R. Knapp; Anton M. Koekemoer; Marina Kounkel; Kathryn Kreckel; Dhanesh Krishnarao; Mirko Krumpe; Nimisha Kumari; Thomas Kupfer; Ivan Lacerna; Chervin Laporte; Sebastien Lepine; Jing Li; Xin Liu; Sarah Loebman; Knox Long; Alexandre Roman-Lopes; Yuxi Lu; Steven Raymond Majewski; Dan Maoz; Kevin A. McKinnon; Ilija Medan; Andrea Merloni; Dante Minniti; Sean Morrison; Natalie Myers; Szabolcs Mészáros; Kirpal Nandra; Prasanta K. Nayak; Melissa K. Ness; David L. Nidever; Thomas O’Brien; Micah Oeur; Audrey Oravetz; Daniel Oravetz; Jonah Otto; Gautham Adamane Pallathadka; Povilas Palunas; Kaike Pan; Daniel Pappalardo; Rakesh Pandey; Castalia Alenka Negrete Peñaloza; Marc H. Pinsonneault; Richard W. Pogge; Manuchehr Taghizadeh Popp; Adrian M. Price-Whelan; Nadiia Pulatova; Dan Qiu; Solange Ramirez; Amy Rankine; Claudio Ricci; Jessie C. Runnoe; Sebastian Sanchez; Mara Salvato; Sumit K. Sarbadhicary; Natascha Sattler; Andrew K. Saydjari; Conor Sayres; Eva Schinnerer; Kevin C. Schlaufman; Donald P. Schneider; Matthias R. Schreiber; Axel Schwope; Javier Serna; Yue Shen; Cristóbal Sifón; Amrita Singh; Amaya Sinha; Stephen Smee; Ying-Yi Song; Diogo Souto; Keivan G. Stassun; Matthias Steinmetz; Alexander Stone-Martinez; Guy Stringfellow; Amelia Stutz; José Sánchez-Gallego; Jonathan C. Tan; Jamie Tayar; Riley Thai; Ani Thakar; Yuan-Sen Ting; Andrew Tkachenko; Gagik Tovmassian; Benny Trakhtenbrot; José G. Fernández-Trincado; Nicholas Troup; Jonathan Trump; Sarah Tuttle; Roeland P. van der Marel; Sandro Villanova; Jaime Villaseñor; Stefanie Wachter; Zachary Way; Anne-Marie Weijmans; David Weinberg; Adam Wheeler; Alessa I. Wiggins; John Wilson; Aida Wofford; Tony Wong; Qiaoya Wu; Dominika Wylezalek; Rosemary F. G. Wyse; Xiang-Xiang Xue; Qian Yang; Jason Ybarra; Nadia Zakamska; Eleonora Zari; Gail Zasowski; Grisha Zeltyn; Catherine Zucker; Carlos G. Román-Zúñiga; Rodolfo de J. Zermeño
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The SDSS-V Black Hole Mapper Reverberation Mapping Project: Light Echoes of the Coronal-line Region in a Luminous Quasar
err2025-12-16
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errTheodore B. Smith; Logan B. Fries; Jonathan R. Trump; Catherine J. Grier; Yue Shen; Scott F. Anderson; W. N. Brandt; Megan C. Davis; Tom Dwelly; P. B. Hall; Keith Horne; Y. Homayouni; J. McKaig; Sean Morrison; Hugh W. Sharp; Roberto J. Assef; Franz E. Bauer; Anton M. Koekemoer; Donald P. Schneider; Benny Trakhtenbrot; Hector Javier Ibarra-Medel; Castalia Alenka Negrete Peñaloza
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BASS. LIV. Physical Properties of AGN-hosting Galaxy Mergers from Multiwavelength SED Fitting
err2025-11-25
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errMarco Troncoso; Ezequiel Treister; Alejandra Rojas; Médéric Boquien; Franz Bauer; Michael J. Koss; Roberto J. Assef; Miguel Parra Tello; Ignacio del Moral-Castro; Claudio Ricci; Sophia Dai; Kyuseok Oh; Federica Ricci; Alessandro Peca; C. Megan Urry; Kriti Kamal Gupta; Giacomo Venturi; Matilde Signorini; Richard Mushotzky; David Sanders
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SDSS-V black hole mapper: the index diagram as a tool to disentangle the influence of the host galaxy in quasar spectra
err2025-11-01
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errNegrete, C. A.; Sandoval-Orozco, R.; Ibarra-Medel, H.; Tapia-Benavides, B., I; Assef, R. J.; Dultzin, D.; Lacerna, I; Morrison, S.; Anderson, S. F.; Rodriguez Hidalgo, P.; Aydar, C.; Bauer, F. E.; Benitez, E.; Bizyaev, D.; Brandt, W. N.; Brownstein, J. R.; Buchner, J.; Cruz-Gonzalez, I; Gonzalez-Buitrago, D.; Hernandez-Toledo, H.; Jenaro-Ballesteros, N.; Koekemoer, A.; Krongold, Y.; Martinez-Aldama, M. L.; Pan, K.; Ricci, C.; Salvato, M.; Sanchez, S. F.; Serrano-Felix, D.; Schneider, D. P.; Sniegowska, M.; Trakhtenbrot, B.; Wu, Q.; Wylezalek, D.; Yang, Q.; Zermeno, R. J.
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Investigating Little Red Dots with UV Excess: Are They the High-redshift Siblings of Blue Hot Dust-obscured Galaxies?
err2025-10-10
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PREAI
errBao, Lulu; Tsai, Chao-Wei; Wu, Jingwen; Wang, Tao; Li, Guodong; Assef, Roberto J.; Diaz-Santos, Tanio; Eisenhardt, Peter R. M.; Stern, Daniel; Blain, Andrew W.
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Galaxy Spectra Networks (GaSNet) - III. Reconstructive pre-trained network for spectrum reconstruction, redshift estimate, and anomaly detection
err2025-10-01
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errZhong, Fucheng; Napolitano, Nicola R.; Heneka, Caroline; Krogager, Jens-Kristian; Demarco, Ricardo; Bouche, Nicolas F.; Loveday, Jonathan; Fritz, Alexander; Verdier, Aurelien; Roukema, Boudewijn F.; Sifon, Cristobal; Bauer, Franz E.; Cassara, Letizia P.; Assef, Roberto J.; Ardern, Steve
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Powerful Nuclear Outflows and Circumgalactic Medium Shocks Driven by the Most Luminous Known Obscured Quasar in the Universe
err2025-08-20
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PREAI
errAndrey Vayner; Tanio Díaz-Santos; Peter R. M. Eisenhardt; Daniel Stern; Lee Armus; Daniel Anglés-Alcázar; Roberto J. Assef; Román Fernández Aranda; Andrew W. Blain; Hyunsung D. Jun; Chao-Wei Tsai; Niranjan Chandra Roy; Drew Brisbin; Carl D. Ferkinhoff; Manuel Aravena; Jorge González-López; Guodong Li; Mai Liao; Devika Shobhana; Jingwen Wu; Dejene Zewdie
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XMM-Newton Conclusively Identifies an Active Galactic Nucleus in a Green Pea Galaxy*
err2025-07-21
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errPeter G. Boorman; Jiří Svoboda; Daniel Stern; Bret D. Lehmer; Abhijeet Borkar; Murray Brightman; Hannah P. Earnshaw; Fiona A. Harrison; Konstantinos Kouroumpatzakis; Barbora Adamcová; Roberto J. Assef; Matthias Ehle; Brian Grefenstette; Romana Grossová; Maitrayee Gupta; Elias Kammoun; Taiki Kawamuro; Lea Marcotulli; Romana Mikušincová; Matthew J. Middleton; Edward Nathan; Joanna M. Piotrowska; Jean J. Somalwar; Núria Torres-Albà; Dominic J. Walton; Daniel R. Weisz
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Evidence for universal gas depletion in a sample of 41 luminous Type 1 quasars at z ∼ 2
err2025-05-10
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errMolyneux, S. J.; Banerji, M.; Temple, M. J.; Aravena, M.; Assef, R. J.; Hewett, P.; Jones, G. C.; Puglisi, A.; Rankine, A. L.; Ricci, C.; Stepney, M.; Tang, S.
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JWST PRIMER: a lack of outshining in four normal z=4-6 galaxies from the ALMA-CRISTAL Survey
err2025-04-16
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errLines, N. E. P.; Bowler, R. A. A.; Adams, N. J.; Fisher, R.; Varadaraj, R. G.; Nakazato, Y.; Aravena, M.; Assef, R. J.; Birkin, J. E.; Ceverino, D.; da Cunha, E.; Cullen, F.; De Looze, I; Donnan, C. T.; Dunlop, J. S.; Ferrara, A.; Grogin, N. A.; Herrera-Camus, R.; Ikeda, R.; Koekemoer, A. M.; Killi, M.; Li, J.; McLeod, D. J.; McLure, R. J.; Mitsuhashi, I; Perez-Gonzalez, P. G.; Relano, M.; Solimano, M.; Spilker, J. S.; Villanueva, V.; Yoshida, N.
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The eROSITA Final Equatorial Depth Survey (eFEDS) The hard X-ray selected sample
err2025-01-17
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errNandra, K.; Waddell, S. G. H.; Liu, T.; Buchner, J.; Dwelly, T.; Salvato, M.; Shen, Y.; Wu, Q.; Arcodia, R.; Boller, Th.; Brunner, H.; Brusa, M.; Collmar, W.; Comparat, J.; Georgakakis, A.; Grau, M.; Haemmerich, S.; Ibarra-Medel, H.; Igo, Z.; Krumpe, M.; Lamer, G.; Merloni, A.; Musiimenta, B.; Wolf, J.; Assef, R. J.; Bauer, F. E.; Brandt, W. N.; Rix, H. -w.
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PICZL: Image-based photometric redshifts for AGN
err2024-12-18
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errRoster, W.; Salvato, M.; Krippendorf, S.; Saxena, A.; Shirley, R.; Buchner, J.; Wolf, J.; Dwelly, T.; Bauer, F. E.; Aird, J.; Ricci, C.; Assef, R. J.; Anderson, S. F.; Liu, X.; Merloni, A.; Weller, J.; Nandra, K.
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BASS XLIII. Optical, UV, and X-ray emission properties of unobscured Swift/BAT active galactic nuclei
err2024-11-13
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errGupta, Kriti K.; Ricci, Claudio; Temple, Matthew J.; Tortosa, Alessia; Koss, Michael J.; Assef, Roberto J.; Bauer, Franz E.; Mushotzy, Richard; Ricci, Federica; Ueda, Yoshihiro; Rojas, Alejandra F.; Trakhtenbrot, Benny; Chang, Chin-Shin; Oh, Kyuseok; Li, Ruancun; Kawamuro, Taiki; Diaz, Yaherlyn; Powell, Meredith C.; Stern, Daniel; Megan Urry, C.; Harrison, Fiona; Cenko, Brad
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An Intermediate-mass Black Hole Hidden behind Thick Obscuration
err2024-11-06
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errBoorman, Peter G.; Stern, Daniel; Assef, Roberto J.; Borkar, Abhijeet; Brightman, Murray; Buchner, Johannes; Chen, Chien-Ting; Earnshaw, Hannah P.; Harrison, Fiona A.; Matzeu, Gabriele A.; Pfeifle, Ryan W.; Ricci, Claudio; Svoboda, Jiri; Torres-Alba, Nuria; Zaw, Ingyin
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The SDSS-V Black Hole Mapper Reverberation Mapping Project: A Kinematically Variable Broad-line Region and Consequences for the Masses of Luminous Quasars
err2024-11-06
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errFries, Logan B.; Trump, Jonathan R.; Horne, Keith; Davis, Megan C.; Grier, Catherine J.; Shen, Yue; Anderson, Scott F.; Dwelly, Tom; Homayouni, Y.; Morrison, Sean; Runnoe, Jessie C.; Trakhtenbrot, Benny; Assef, Roberto J.; Bizyaev, Dmitry; Brandt, W. N.; Breiding, Peter; Brownstein, Joel; Chakraborty, Priyanka; Hall, P. B.; Koekemoer, Anton M.; Ibarra-Medel, Hector J.; Martinez-Aldama, Mary Loli; Negrete, C. Alenka; Pan, Kaike; Ricci, Claudio; Schneider, Donald P.; Sharp, Hugh W.; Smith, Theodore B.; Stone, Zachary; Temple, Matthew J.
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