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L

Laura Blecha

Sorbonne Universite

35H-index
192Paper Count
7.2KCitation Count
Published Papers 83
Publication Date
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BEES: Quasar Lifetime Measurements from Extended Rest-optical Emission Line Nebulae at z ∼ 6
errAstrophysical Journal
IF5.4
err2026-05-20
err0
PREAI
errDurovcikova, Dominika; Eilers, Anna-Christina; Ishikawa, Yuzo; Yue, Minghao; Vestergaard, Marianne; Davies, Frederick B.; Schindler, Jan-Torge; Fan, Xiaohui; Arrigoni Battaia, Fabrizio; Volonteri, Marta; Simcoe, Robert A.; Hennawi, Joseph F.; Blecha, Laura; Andika, Irham T.; Bosman, Sarah E. I.; Bieri, Rebekka
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The NANOGrav 15 yr Dataset: Targeted Searches for Supermassive Black Hole Binaries
errThe Astrophysical Journal Letters
IF0
err2026-02-05
err0
errOAAI
errNikita Agarwal; Gabriella Agazie; Akash Anumarlapudi; Anne M. Archibald; Zaven Arzoumanian; Jeremy G. Baier; Paul T. Baker; Bence Bécsy; Laura Blecha; Adam Brazier; Paul R. Brook; Sarah Burke-Spolaor; Rand Burnette; Robin Case; J. Andrew Casey-Clyde; Yu-Ting Chang; Maria Charisi; Shami Chatterjee; Tyler Cohen; Paolo Coppi; James M. Cordes; Neil J. Cornish; Fronefield Crawford; H. Thankful Cromartie; Kathryn Crowter; Megan E. DeCesar; Paul B. Demorest; Heling Deng; Lankeswar Dey; Timothy Dolch; Daniel J. D’Orazio; Ellis Eisenberg; Elizabeth C. Ferrara; Graham Doskoch; William Fiore; Emmanuel Fonseca; Gabriel E. Freedman; Emiko C. Gardiner; Nate Garver-Daniels; Peter A. Gentile; Kyle A. Gersbach; Joseph Glaser; Matthew J. Graham; Deborah C. Good; Kayhan Gültekin; C. J. Harris; Jeffrey S. Hazboun; Forrest Hutchison; Ross J. Jennings; Aaron D. Johnson; Megan L. Jones; David L. Kaplan; Luke Zoltan Kelley; Matthew Kerr; Joey S. Key; Nima Laal; Michael T. Lam; William G. Lamb; Bjorn Larsen; T. Joseph W. Lazio; Natalia Lewandowska; Tingting Liu; Duncan R. Lorimer; Jing Luo; Ryan S. Lynch; Chung-Pei Ma; Dustin R. Madison; Cayenne Matt; Alexander McEwen; James W. McKee; Maura A. McLaughlin; Natasha McMann; Bradley W. Meyers; Patrick M. Meyers; Chiara M. F. Mingarelli; Andrea Mitridate; Priyamvada Natarajan; Cherry Ng; David J. Nice; Shania Nichols; Stella Koch Ocker; Ken D. Olum; Timothy T. Pennucci; Benetge B. P. Perera; Polina Petrov; Nihan S. Pol; Henri A. Radovan; Scott M. Ransom; Paul S. Ray; Joseph D. Romano; Jessie C. Runnoe; Alexander Saffer; Shashwat C. Sardesai; Ann Schmiedekamp; Carl Schmiedekamp; Kai Schmitz; Federico Semenzato; Brent J. Shapiro-Albert; Rohan Shivakumar; Xavier Siemens; Joseph Simon; Sophia V. Sosa Fiscella; Ingrid H. Stairs; Daniel R. Stinebring; Kevin Stovall; Abhimanyu Susobhanan; Joseph K. Swiggum; Jacob A. Taylor; Stephen R. Taylor; Mercedes S. Thompson; Jacob E. Turner; Michele Vallisneri; Rutger van Haasteren; Sarah J. Vigeland; Haley M. Wahl; London Willson; Kevin P. Wilson; Caitlin A. Witt; David Wright; Olivia Young; Qinyuan Zheng; The NANOGrav Collaboration
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Heavy Seeds and the First Black Holes: Insights from the BRAHMA Simulations
errThe Astrophysical Journal
IF0
err2026-01-22
err0
errOAAI
errAklant K. Bhowmick; Laura Blecha; Paul Torrey; Luke Zoltan Kelley; Priyamvada Natarajan; Rachel S. Somerville; Rainer Weinberger; Alex M. Garcia; Lars Hernquist; Tiziana Di Matteo; Jonathan Kho; Mark Vogelsberger
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Inferring MBH–Mbulge Evolution from the Gravitational-wave Background
errThe Astrophysical Journal
IF0
err2026-01-22
err0
errOAAI
errCayenne Matt; Kayhan Gültekin; Luke Zoltan Kelley; Laura Blecha; Joseph Simon; Gabriella Agazie; Akash Anumarlapudi; Anne M. Archibald; Zaven Arzoumanian; Jeremy G. Baier; Paul T. Baker; Bence Bécsy; Adam Brazier; Paul R. Brook; Sarah Burke-Spolaor; Rand Burnette; Robin Case; J. Andrew Casey-Clyde; Maria Charisi; Shami Chatterjee; Tyler Cohen; James M. Cordes; Neil J. Cornish; Fronefield Crawford; H. Thankful Cromartie; Kathryn Crowter; Megan E. DeCesar; Paul B. Demorest; Heling Deng; Lankeswar Dey; Timothy Dolch; Elizabeth C. Ferrara; William Fiore; Emmanuel Fonseca; Gabriel E. Freedman; Emiko C. Gardiner; Nate Garver-Daniels; Peter A. Gentile; Kyle A. Gersbach; Joseph Glaser; Deborah C. Good; C. J. Harris; Jeffrey S. Hazboun; Ross J. Jennings; Aaron D. Johnson; Megan L. Jones; David L. Kaplan; Matthew Kerr; Joey S. Key; Nima Laal; Michael T. Lam; William G. Lamb; Bjorn Larsen; T. Joseph W. Lazio; Natalia Lewandowska; Tingting Liu; Duncan R. Lorimer; Jing Luo; Ryan S. Lynch; Chung-Pei Ma; Dustin R. Madison; Alexander McEwen; James W. McKee; Maura A. McLaughlin; Natasha McMann; Bradley W. Meyers; Patrick M. Meyers; Chiara M. F. Mingarelli; Andrea Mitridate; Cherry Ng; David J. Nice; Stella Koch Ocker; Ken D. Olum; Timothy T. Pennucci; Benetge B. P. Perera; Polina Petrov; Nihan S. Pol; Henri A. Radovan; Scott M. Ransom; Paul S. Ray; Joseph D. Romano; Jessie C. Runnoe; Alexander Saffer; Shashwat C. Sardesai; Ann Schmiedekamp; Carl Schmiedekamp; Kai Schmitz; Brent J. Shapiro-Albert; Xavier Siemens; Sophia V. Sosa Fiscella; Ingrid H. Stairs; Daniel R. Stinebring; Kevin Stovall; Abhimanyu Susobhanan; Joseph K. Swiggum; Jacob Taylor; Stephen R. Taylor; Mercedes S. Thompson; Jacob E. Turner; Michele Vallisneri; Rutger van Haasteren; Sarah J. Vigeland; Haley M. Wahl; Kevin P. Wilson; Caitlin A. Witt; David Wright; Olivia Young
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errSave
AGN feedback in merging galaxies with a smuggle multiphase ISM
errMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
IF4.8
err2026-01-01
err0
errOAAI
errSivasankaran, Aneesh; Blecha, Laura; Torrey, Paul; Kelley, Luke Zoltan; Bhowmick, Aklant; Vogelsberger, Mark; Hernquist, Lars; Marinacci, Federico; Sales, Laura, V
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errSave
Molecular Gas in Major Mergers Hosting Dual and Single AGNs at <10 kpc Nuclear Separations
errThe Astrophysical Journal
IF0
err2025-12-09
err0
errOAAI
errMakoto A. Johnstone; Ezequiel Treister; Franz E. Bauer; Chin-Shin Chang; Claudia Cicone; Michael J. Koss; Ignacio del Moral-Castro; Francisco Muller-Sanchez; George C. Privon; Claudio Ricci; Nick Scoville; Giacomo Venturi; Loreto Barcos-Muñoz; Lee Armus; Laura Blecha; Caitlin Casey; Julia Comerford; Aaron Evans; Taiki Kawamuro; Anne M. Medling; Hugo Messias; Neil Nagar; Alejandra Rojas; David Sanders; Benny Trakhtenbrot; Vivian U; Meg Urry
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errSave
Signatures of Black Hole Seeding on the M•–σ Relation: Predictions from the BRAHMA Simulations
errThe Astrophysical Journal
IF0
err2025-11-24
err0
errOAAI
errJonathan Kho; Aklant Kumar Bhowmick; Paul Torrey; Alex M. Garcia; Niusha Ahvazi; Laura Blecha; Mark Vogelsberger
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Mergers and Recoil in Triple Massive Black Hole Systems from Illustris
errASTROPHYSICAL JOURNAL
IF5.4
err2025-11-10
err0
PREAI
errSatheesh, Pranav; Blecha, Laura; Kelley, Luke Zoltan
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errSave
A 13 Billion Year View of Galaxy Growth: Metallicity Gradient Evolution from the Local Universe to z = 9 with JWST and Archival Surveys
errThe Astrophysical Journal Supplement Series
IF0
err2025-09-26
err0
errOAAI
errZihao Li; Zheng Cai; Xin Wang; Zhaozhou Li; Avishai Dekel; Kartick C. Sarkar; Eduardo Bañados; Fuyan Bian; Aklant K. Bhowmick; Laura Blecha; Sarah E. I. Bosman; Jaclyn B. Champagne; Xiaohui Fan; Emmet Golden-Marx; Hyunsung D. Jun; Mingyu Li; Xiaojing Lin; Weizhe Liu; Fengwu Sun; Maxime Trebitsch; Fabian Walter; Feige Wang; Yunjing Wu; Jinyi Yang; Huanian Zhang; Shiwu Zhang; Mingyang Zhuang; Siwei Zou
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Dynamics of Low-mass Black Hole Seeds in the BRAHMA Simulations Using Subgrid Dynamical Friction: Impact on Merger-driven Black Hole Growth in the High-redshift Universe
errastrophysical journal
IF0
err2025-09-17
err0
errOAAI
errAklant K. Bhowmick; Laura Blecha; Luke Z. Kelley; Aneesh Sivasankaran; Paul Torrey; Rainer Weinberger; Nianyi Chen; Mark Vogelsberger; Lars Hernquist; Priyamvada Natarajan; Tiziana Di Matteo
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The Gravitational-wave Background from Massive Black Holes in the ASTRID Simulation
errastrophysical journal letters
IF0
err2025-09-16
err0
errOAAI
errNianyi Chen; Tiziana Di Matteo; Yihao Zhou; Luke Zoltan Kelley; Laura Blecha; Yueying Ni; Simeon Bird; Yanhui Yang; Rupert Croft
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errSave
Central Cluster Galaxies: A Hot Spot for Detectable Gravitational Waves from Black Hole Mergers
errastrophysical journal letters
IF0
err2025-08-01
err0
PREAI
errYihao Zhou; Tiziana Di Matteo; Nianyi Chen; Luke Zoltan Kelley; Laura Blecha; Yueying Ni; Simeon Bird; Yanhui Yang; Rupert Croft
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errSave
Signatures of black hole seeding in the local Universe: predictions from the BRAHMA cosmological simulations
errMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
IF4.8
err2025-02-20
err0
errOAAI
errBhowmick, Aklant K.; Blecha, Laura; Torrey, Paul; Somerville, Rachel S.; Kelley, Luke Zoltan; Weinberger, Rainer; Vogelsberger, Mark; Hernquist, Lars; Natarajan, Priyamvada; Kho, Jonathan; Di Matteo, Tiziana
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errSave
AGN feedback in isolated galaxies with a SMUGGLE multiphase ISM
errMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
IF4.8
err2025-01-24
err0
errOAAI
errSivasankaran, Aneesh; Blecha, Laura; Torrey, Paul; Kelley, Luke Zoltan; Bhowmick, Aklant; Vogelsberger, Mark; Hernquist, Lars; Marinacci, Federico; Sales, Laura, V
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errSave
Building a Semi-analytic Black Hole Seeding Model using IllustrisTNG Host Galaxies
errMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
IF4.8
err2024-12-13
err0
errOAAI
errEvans, Analis Eolyn; Blecha, Laura; Bhowmick, Aklant Kumar
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errSave
A quasar-galaxy merger at z ∼ 6.2: Rapid host growth via the accretion of two massive satellite galaxies
errASTRONOMY & ASTROPHYSICS
IF5.8
err2024-09-13
err5
errOAAI
errDecarli, Roberto; Loiacono, Federica; Farina, Emanuele Paolo; Dotti, Massimo; Lupi, Alessandro; Meyer, Romain A.; Mignoli, Marco; Pensabene, Antonio; Strauss, Michael A.; Venemans, Bram; Yang, Jinyi; Walter, Fabian; Wolf, Julien; Banados, Eduardo; Blecha, Laura; Bosman, Sarah; Carilli, Chris L.; Comastri, Andrea; Connor, Thomas; Costa, Tiago; Eilers, Anna-Christina; Fan, Xiaohui; Gilli, Roberto; Jun, Hyunsung D.; Liu, Weizhe; Marshall, Madeline A.; Mazzucchelli, Chiara; Neeleman, Marcel; Onoue, Masafusa; Overzier, Roderik; Pudoka, Maria Anne; Riechers, Dominik A.; Rix, Hans-Walter; Schindler, Jan-Torge; Trakhtenbrot, Benny; Trebitsch, Maxime; Vestergaard, Marianne; Volonteri, Marta; Wang, Feige; Zhang, Huanian; Zou, Siwei
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The NANOGrav 15 yr Data Set: Search for Signals from New Physics (vol 951, L11, 2023)
errASTROPHYSICAL JOURNAL LETTERS
IF11.7
err2024-08-09
err3
errOAAI
errAfzal, Adeela; Agazie, Gabriella; Anumarlapudi, Akash; Archibald, Anne M.; Arzoumanian, Zaven; Baker, Paul T.; Becsy, Bence; Juan Blanco-Pillado, Jose; Blecha, Laura; Boddy, Kimberly K.; Brazier, Adam; Brook, Paul R.; Burke-Spolaor, Sarah; Burnette, Rand; Case, Robin; Charisi, Maria; Chatterjee, Shami; Chatziioannou, Katerina; Cheeseboro, Belinda D.; Chen, Siyuan; Cohen, Tyler; Cordes, James M.; Cornish, Neil J.; Crawford, Fronefield; Cromartie, H. Thankful; Crowter, Kathryn; Cutler, Curt J.; DeCesar, Megan E.; DeGan, Dallas; Demorest, Paul B.; Deng, Heling; Dolch, Timothy; Drachler, Brendan; von Eckardstein, Richard; Ferrara, Elizabeth C.; Fiore, William; Fonseca, Emmanuel; Freedman, Gabriel E.; Garver-Daniels, Nate; Gentile, Peter A.; Gersbach, Kyle A.; Glaser, Joseph; Good, Deborah C.; Guertin, Lydia; Gultekin, Kayhan; Hazboun, Jeffrey S.; Hourihane, Sophie; Islo, Kristina; Jennings, Ross J.; Johnson, Aaron D.; Jones, Megan L.; Kaiser, Andrew R.; Kaplan, David L.; Kelley, Luke Zoltan; Kerr, Matthew; Key, Joey S.; Laal, Nima; Lam, Michael T.; Lamb, William G.; Lazio, T. Joseph W.; Lee, Vincent S. H.; Lewandowska, Natalia; dos Santos, Rafael R. Lino; Littenberg, Tyson B.; Liu, Tingting; Lorimer, Duncan R.; Luo, Jing; Lynch, Ryan S.; Ma, Chung-Pei; Madison, Dustin R.; McEwen, Alexander; McKee, James W.; McLaughlin, Maura A.; McMann, Natasha; Meyers, Bradley W.; Meyers, Patrick M.; Mingarelli, Chiara M. F.; Mitridate, Andrea; Nay, Jonathan; Natarajan, Priyamvada; Ng, Cherry; Nice, David J.; Ocker, Stella Koch; Olum, Ken D.; Pennucci, Timothy T.; Perera, Benetge B. P.; Petrov, Polina; Pol, Nihan S.; Radovan, Henri A.; Ransom, Scott M.; Ray, Paul S.; Romano, Joseph D.; Sardesai, Shashwat C.; Schmiedekamp, Ann; Schmiedekamp, Carl; Schmitz, Kai; Schroeder, Tobias; Schult, Levi; Shapiro-Albert, Brent J.; Siemens, Xavier; Simon, Joseph; Siwek, Magdalena S.; Stairs, Ingrid H.; Stinebring, Daniel R.; Stovall, Kevin; Stratmann, Peter; Sun, Jerry P.; Susobhanan, Abhimanyu; Swiggum, Joseph K.; Taylor, Jacob; Taylor, Stephen R.; Trickle, Tanner; Turner, Jacob E.; Unal, Caner; Vallisneri, Michele; Verma, Sonali; Vigeland, Sarah J.; Wahl, Haley M.; Wang, Qiaohong; Witt, Caitlin A.; Wright, David; Young, Olivia; Zurek, Kathryn M.
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Growth of high-redshift supermassive black holes from heavy seeds in the BRAHMA cosmological simulations: implications of overmassive black holes
errMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
IF4.8
err2024-07-27
err2
errOAAI
errBhowmick, Aklant K.; Blecha, Laura; Torrey, Paul; Somerville, Rachel S.; Kelley, Luke Zoltan; Vogelsberger, Mark; Weinberger, Rainer; Hernquist, Lars; Sivasankaran, Aneesh
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errSave
Introducing the BRAHMA simulation suite: signatures of low-mass black hole seeding models in cosmological simulations
errMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
IF4.8
err2024-06-06
err4
errOAAI
errBhowmick, Aklant K.; Blecha, Laura; Torrey, Paul; Kelley, Luke Zoltan; Weinberger, Rainer; Vogelsberger, Mark; Hernquist, Lars; Somerville, Rachel S.; Evans, Analis Eolyn
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errSave
A quasar-galaxy merger at z ∼ 6.2: Black hole mass and quasar properties from the NIRSpec spectrum
errASTRONOMY & ASTROPHYSICS
IF5.8
err2024-05-15
err12
errOAAI
errLoiacono, Federica; Decarli, Roberto; Mignoli, Marco; Farina, Emanuele Paolo; Banados, Eduardo; Bosman, Sarah; Eilers, Anna-Christina; Schindler, Jan-Torge; Strauss, Michael A.; Vestergaard, Marianne; Wang, Feige; Blecha, Laura; Carilli, Chris L.; Comastri, Andrea; Connor, Thomas; Costa, Tiago; Dotti, Massimo; Fan, Xiaohui; Gilli, Roberto; Jun, Hyunsung D.; Liu, Weizhe; Lupi, Alessandro; Marshall, Madeline A.; Mazzucchelli, Chiara; Meyer, Romain A.; Neeleman, Marcel; Overzier, Roderik; Pensabene, Antonio; Riechers, Dominik A.; Trakhtenbrot, Benny; Trebitsch, Maxime; Venemans, Bram; Walter, Fabian; Yang, Jinyi
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Research Directions

No research directions
Co-authors
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