EP 250108a/SN 2025kg: Observations of the Most Nearby Broad-line Type Ic Supernova Following an Einstein Probe Fast X-Ray Transient

EP 250108a/SN 2025kg: Observations of the Most Nearby Broad-line Type Ic Supernova Following an Einstein Probe Fast X-Ray Transient

With a small sample of fast X-ray transients (FXTs) with multiwavelength counterparts discovered to date, their progenitors and connections to γ -ray bursts (GRBs) and supernovae (SNe) remain ambiguous. Here, we present photometric and spectroscopic observations of SN 2025kg, the SN counterpart to t...

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Main Authors: Jillian C. Rastinejad, Andrew J. Levan, Peter G. Jonker, Charles D. Kilpatrick, Christopher L. Fryer, Nikhil Sarin, Benjamin P. Gompertz, Chang Liu, Rob A. J. Eyles-Ferris, Wen-fai Fong, Eric Burns, James H. Gillanders, Ilya Mandel, Daniele Bjørn Malesani, Paul T. O’Brien, Nial R. Tanvir, Kendall Ackley, Amar Aryan, Franz E. Bauer, Steven Bloemen, Thomas de Boer, Clécio R. Bom, Jennifer A. Chacón, Ken Chambers, Ting-Wan Chen, Ashley A. Chrimes, Joyce N. D. van Dalen, Valerio D’Elia, Massimiliano De Pasquale, Michael D. Fulton, Paul J. Groot, Rahul Gupta, Dieter H. Hartmann, Agnes P. C. van Hoof, Mark E. Huber, Luca Izzo, Wynn Jacobson-Galan, Páll Jakobsson, Albert Kong, Tanmoy Laskar, Thomas B. Lowe, Eugene A. Magnier, Elisabetta Maiorano, Antonio Martin-Carrillo, Lluis Mas-Ribas, Daniel Mata Sánchez, Matt Nicholl, Christopher J. Nixon, Samantha R. Oates, Gregory Paek, Jesse Palmerio, Diego Paris, Daniëlle L. A. Pieterse, Giovanna Pugliese, Jonathan A. Quirola Vasquez, Jan van Roestel, Andrea Rossi, Alicia Rouco Escorial, Ruben Salvaterra, Benjamin Schneider, Stephen J. Smartt, Ken Smith, Ian A. Smith, Shubham Srivastav, Manuel A. P. Torres, Chiara Ventura, Paul Vreeswijk, Richard Wainscoat, Yi-Jung Yang, Sheng Yang
Format: Article
Language:English
Published: IOP Publishing 2025-01-01
Series:The Astrophysical Journal Letters
Subjects:
Core-collapse supernovae
Gamma-ray bursts
X-ray transient sources
Online Access:https://doi.org/10.3847/2041-8213/ade7f9
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