Long GRB 250916A: an Off-axis Powerlaw Jet with Thermal Cocoon
本文通过对长伽马暴 GRB 250916A 的详尽分析，揭示其前身星喷流与恒星相互作用产生的热包层激波 breakout 形成了前兆辐射，并证实该爆发源自一个被中等角度偏离观测的窄芯幂律喷流。
Utkarsh Pathak (Department of Physics, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India), Sameer K. Patil (Department of Physics, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India), Hitesh Tanenia (Department of Physics, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India), Tanishk Mohan (Department of Physics, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India), Xander J. Hall (McWilliams Center for Cosmology and Astrophysics, Department of Physics, Carnegie Mellon University, 5000 Forbes Avenue, Pittsburgh, PA 15213, USA), Yogesh Wagh (Department of Physics, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India), Viswajeet Swain (Department of Physics, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India), Aditya Pawan Saikia (Department of Physics, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India), Varun Bhalerao (Department of Physics, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India), Tomas Ahumada (Cerro Tololo Inter-American Observatory/NSF NOIRLab, Casilla 603, La Serena, Chile), G. C. Anupama (Indian Institute of Astrophysics, II Block Koramangala, Bengaluru 560034, India), Sudhanshu Barway (Indian Institute of Astrophysics, II Block Koramangala, Bengaluru 560034, India), Malte Busmann (University Observatory, Faculty of Physics, Ludwig-Maximilians-Universität, Scheinerstr. 1, 81679 Munich, Germany, Excellence Cluster ORIGINS, Boltzmannstr. 2, 85748 Garching, Germany), Michael W. Coughlin (School of Physics and Astronomy, University of Minnesota, Minneapolis, MN 55455, USA), Matthew J. Graham (Division of Physics, Maths and Astronomy, California Institute of Technology, 1200 E. California Blvd, Pasadena, CA 91125, USA), Daniel Gruen (University Observatory, Faculty of Physics, Ludwig-Maximilians-Universität, Scheinerstr. 1, 81679 Munich, Germany, Excellence Cluster ORIGINS, Boltzmannstr. 2, 85748 Garching, Germany), Assaf Horesh (Racah Institute of Physics, The Hebrew University of Jerusalem, Jerusalem 91904, Israel), Mansi M. Kasliwal (Division of Physics, Mathematics, and Astronomy, California Institute of Technology, Pasadena, CA 91125, USA), Russ R. Laher (IPAC, California Institute of Technology, 1200 E. California Blvd, Pasadena, CA 91125, USA), Frank J. Masci (IPAC, California Institute of Technology, 1200 E. California Blvd, Pasadena, CA 91125, USA), Antonella Palmese (McWilliams Center for Cosmology and Astrophysics, Department of Physics, Carnegie Mellon University, 5000 Forbes Avenue, Pittsburgh, PA 15213, USA), Josiah Purdum (Caltech Optical Observatories, California Institute of Technology, 1200 E. California Boulevard, Pasadena, CA 91125, USA), Argyro Sasli (School of Physics and Astronomy, University of Minnesota, Minneapolis, MN 55455, USA, NSF Institute on Accelerated AI Algorithms for Data-Driven Discovery), Roger Smith (Caltech Optical Observatories, California Institute of Technology, 1200 E. California Boulevard, Pasadena, CA 91125, USA), Xiaoxiong Zuo (University Observatory, Faculty of Physics, Ludwig-Maximilians-Universität, Scheinerstr. 1, 81679 Munich, Germany)Fri, 13 Ma🔭 astro-ph