Spectral Hardening Reveals Afterglow Emergence in Long-duration Fast X-Ray Transients: A Case Study of GRB 250404A/EP250404a

Journal:
The Astrophysical Journal Letters
Published:
DOI:
10.3847/2041-8213/adf552
Affiliations:
28
Authors:
59
Institutions Authors Share
National Astronomical Observatories (NAOC), CAS, China
15.333333
15.333333
0.26
Yunnan University (YNU), China
7.500000
0.13
Sun Yat-sen University (SYSU), China
4.666667
0.08
Tsinghua University, China
4.000000
0.07
University of Chinese Academy of Sciences (UCAS), China
3.333333
0.06
Yunnan Observatories (YNAO), NAOC CAS, China
2.666667
0.05
Nanjing University (NJU), China
2.500000
0.04
MOE Key Laboratory of Modern Astronomy and Astrophysics, NJU, China
2.500000
0.04
Institute of Astrophysics of Andalusia (IAA), CSIC, Spain
2.500000
0.04
Xinjiang Astronomical Observatory (XAO), CAS, China
2.500000
0.04
Huazhong University of Science and Technology (HUST), China
2.000000
0.03
Purple Mountain Observatory (PMO), CAS, China
2.000000
0.03
Center for Astronomical Mega-Science (CAMS), CAS, China
1.000000
0.02
Guangxi University (GXU), China
1.000000
0.02
Beijing Normal University (BNU), China
1.000000
0.02
Altay Astronomical Observatory, China
0.500000
0.01
University of Málaga (UMA), Spain
0.500000
0.01
University of Helsinki, Finland
0.500000
0.01
Ural Federal University (UrFU), Russia
0.500000
0.01
University of Science and Technology of China (USTC), China
0.500000
0.01
The University of Hong Kong (HKU), China
0.500000
0.01
University of Nevada, Reno (UNR), United States of America (USA)
0.500000
0.01
Cosmic Dawn Center (DAWN), Denmark
0.333333
0.01
Radboud University Nijmegen (RU), Netherlands
0.333333
0.01
University of Copenhagen (UCPH), Denmark
0.333333
0.01