A fast X-ray transient from a weak relativistic jet associated with a type Ic-BL supernova
A fast X-ray transient from a weak relativistic jet associated with a type Ic-BL supernova
Massive stars end their lives as core-collapse supernovae, amongst which some extremes are broad-lined type Ic supernovae from Wolf-Rayet stars associated with long-duration gamma-ray bursts (LGRBs) having powerful relativistic jets. Their less-extreme brethren make unsuccessful jets that are choked inside the stars, appearing as X-ray flashes or low-luminosity GRBs. On the other hand, there exists a population of extragalactic fast X-ray transients (EFXTs) with timescales ranging from seconds to thousands of seconds, whose origins remain obscure. Here, we report the discovery of the bright X-ray transient EP240414a detected by the Einstein Probe (EP), which is associated with the type Ic supernova SN 2024gsa at a redshift of 0.401. The X-ray emission evolution is characterised by a very soft energy spectrum peaking at $< 1.3$ keV, which makes it different from known LGRBs, X-ray flashes, or low-luminosity GRBs. Follow-up observations at optical and radio bands revealed the existence of a weak relativistic jet that interacts with an extended shell surrounding the progenitor star. Located on the outskirts of a massive galaxy, this event reveals a new population of explosions of Wolf-Rayet stars characterised by a less powerful engine that drives a successful but weak jet, possibly owing to a progenitor star with a smaller core angular momentum than in traditional LGRB progenitors.
T. An、X. -F. Wu、W. -H. Lei、D. -M. Wei、J. Farah、E. Padilla Gonzalez、T. -X. Chen、W. Chen、Y. -F. Chen、D. -W. Fan、D. -Y. Li、L. -H. Li、H. -Q. Liu、F. -J. Lu、L. -D. Luo、X. -J. Sun、Y. -Y. Tan、Q. -J. Tang、W. -X. Li、Y. -H. Tao、H. Wang、J. Wang、L. Wang、W. -X. Wang、Y. -S. Wang、Y. -L. Wang、D. -R. Xiong、L. -D. Liu、H. -T. Xu、J. -J. Xu、X. -P. Xu、Y. -F. Xu、Z. Xu、C. -B. Xue、Y. -L. Xue、A. -L. Yan、H. -N. Yang、X. -T. Yang、H. Sun、Y. -J. Yang、C. Zhang、J. Zhang、M. Zhang、S. -N. Zhang、W. -D. Zhang、W. -J. Zhang、Y. -H. Zhang、Z. Zhang、Y. -L. Zhou、Z. Zhang、H. -S. Zhao、Z. -L. Zhang、Y. -X. Zhu、D. -H. Zhao、Z. -C. Zhu、H. Zou、Z. -J. Zhao、X. -F. Zhao、A. J. Castro-Tirado、F. -S. Chen、H. -L. Chen、Y. -H. Chen、Y. Chen、H. -Q. Cheng、B. Cordier、C. -Z. Cui、W. -W. Cui、Y. -F. Dai、H. Feng、H. Gao、X. -F. Wang、W. Yuan、B. Zhang、A. V. Filippenko、D. Xu、S. Ai、T. G. Brink、Y. Liu、Y. -Q. Liu、C. -Y. Wang、Q. -Y. Wu、Y. Yang、B. -B. Zhang、W. -K. Zheng、T. Ahumada、Z. -G. Dai、J. Delaunay、N. Elias-Rosa、S. Benetti、S. -Y. Fu、D. A. Howell、Y. -F. Huang、M. M. Kasliwal、V. Karambelkar、R. Stein、T. -Y. Lian、Z. -K. Peng、D. D. Frederiks、A. V. Ridnaia、D. S. Svinkin、X. -Y. Wang、A. -L. Wang、J. An、M. Andrews、J. -M Bai、C. -Y. Dai、S. A. Ehgamberdiev、Z. Fan、H. -C. Feng、J. P. U. Fynbo、W. -J. Guo、Z. Guo、M. -K. Hu、J. -W. Hu、S. -Q. Jiang、J. -J. Jin、A. Li、J. -D. Li、R. -Z. Li、Y. -F. Liang、Z. -X. Ling、X. Liu、J. -R. Mao、C. McCully、D. Mirzaqulov、M. Newsome、X. Pan、G. Terreran、S. Tinyanont、B. -T. Wang、L. -Z. Wang、X. -D. Wen、D. -F. Xiang、S. -J. Xue、J. Yang、Z. -P. Zhu、Z. -M. Cai、J. Sanders、L. -M. Song、S. -L. Sun、J. Guan、D. -W. Han、D. -J. Hou、H. -B. Hu、M. -H. Huang、J. Huo、S. -M. Jia、Z. -Q. Jia、B. -W. Jiang、C. -C. Jin、G. Jin、E. Kuulkers、C. -K. Li、J. -F. Li、M. -S. Li、W. Li、Z. -D. Li、C. -Z Liu、H. -Y. Liu、M. -J. Liu、J. Ma、X. Mao、K. Nandra、P. O'Brien、H. -W. Pan、A. Rau、N. Rea
天文学
T. An,X. -F. Wu,W. -H. Lei,D. -M. Wei,J. Farah,E. Padilla Gonzalez,T. -X. Chen,W. Chen,Y. -F. Chen,D. -W. Fan,D. -Y. Li,L. -H. Li,H. -Q. Liu,F. -J. Lu,L. -D. Luo,X. -J. Sun,Y. -Y. Tan,Q. -J. Tang,W. -X. Li,Y. -H. Tao,H. Wang,J. Wang,L. Wang,W. -X. Wang,Y. -S. Wang,Y. -L. Wang,D. -R. Xiong,L. -D. Liu,H. -T. Xu,J. -J. Xu,X. -P. Xu,Y. -F. Xu,Z. Xu,C. -B. Xue,Y. -L. Xue,A. -L. Yan,H. -N. Yang,X. -T. Yang,H. Sun,Y. -J. Yang,C. Zhang,J. Zhang,M. Zhang,S. -N. Zhang,W. -D. Zhang,W. -J. Zhang,Y. -H. Zhang,Z. Zhang,Y. -L. Zhou,Z. Zhang,H. -S. Zhao,Z. -L. Zhang,Y. -X. Zhu,D. -H. Zhao,Z. -C. Zhu,H. Zou,Z. -J. Zhao,X. -F. Zhao,A. J. Castro-Tirado,F. -S. Chen,H. -L. Chen,Y. -H. Chen,Y. Chen,H. -Q. Cheng,B. Cordier,C. -Z. Cui,W. -W. Cui,Y. -F. Dai,H. Feng,H. Gao,X. -F. Wang,W. Yuan,B. Zhang,A. V. Filippenko,D. Xu,S. Ai,T. G. Brink,Y. Liu,Y. -Q. Liu,C. -Y. Wang,Q. -Y. Wu,Y. Yang,B. -B. Zhang,W. -K. Zheng,T. Ahumada,Z. -G. Dai,J. Delaunay,N. Elias-Rosa,S. Benetti,S. -Y. Fu,D. A. Howell,Y. -F. Huang,M. M. Kasliwal,V. Karambelkar,R. Stein,T. -Y. Lian,Z. -K. Peng,D. D. Frederiks,A. V. Ridnaia,D. S. Svinkin,X. -Y. Wang,A. -L. Wang,J. An,M. Andrews,J. -M Bai,C. -Y. Dai,S. A. Ehgamberdiev,Z. Fan,H. -C. Feng,J. P. U. Fynbo,W. -J. Guo,Z. Guo,M. -K. Hu,J. -W. Hu,S. -Q. Jiang,J. -J. Jin,A. Li,J. -D. Li,R. -Z. Li,Y. -F. Liang,Z. -X. Ling,X. Liu,J. -R. Mao,C. McCully,D. Mirzaqulov,M. Newsome,X. Pan,G. Terreran,S. Tinyanont,B. -T. Wang,L. -Z. Wang,X. -D. Wen,D. -F. Xiang,S. -J. Xue,J. Yang,Z. -P. Zhu,Z. -M. Cai,J. Sanders,L. -M. Song,S. -L. Sun,J. Guan,D. -W. Han,D. -J. Hou,H. -B. Hu,M. -H. Huang,J. Huo,S. -M. Jia,Z. -Q. Jia,B. -W. Jiang,C. -C. Jin,G. Jin,E. Kuulkers,C. -K. Li,J. -F. Li,M. -S. Li,W. Li,Z. -D. Li,C. -Z Liu,H. -Y. Liu,M. -J. Liu,J. Ma,X. Mao,K. Nandra,P. O'Brien,H. -W. Pan,A. Rau,N. Rea.A fast X-ray transient from a weak relativistic jet associated with a type Ic-BL supernova[EB/OL].(2025-07-14)[2025-08-03].https://arxiv.org/abs/2410.02315.点此复制
评论