Constant cyclotron line energy in Hercules X-1 - Joint Insight-HXMT and NuSTAR observations

Yazar
Deng, J. K.
Ducci, L.
Liao, J. Y.
Guo, C. C.
Li, X. B.
Zhang, W.
Qu, J. L.
Lu, F. J.
Li, T. P.
Song, L. M.
Xiong, S. L.
Yang, J. W.
Yang, S.
Yang, Y. J.
Yin, Q. B.
Yin, Q. Q.
Zhang, A. M.
Zhang, C. M.
Zhang, F.
Zhang, H. M.
Zhang, J.
Zhang, T.
Zhang, W. C.
Zhang, W. Z.
Zhang, Y.
Zhang, Y. F.
Zhang, Y. J.
Zhang, Z.
Zhang, Z. L.
Zhao, H. S.
Zhao, X. F.
Zheng, S. J.
Zhou, J. F.
Zhu, Y.
Zhu, Y. X.
Gungor, C.
Xiao, G. C.
Ji, L.
Staubert, R.
Ge, M. Y.
Zhang, S.
Zhang, S. N.
Xu, Y. P.
Bu, Q. C.
Cai, C.
Cao, X. L.
Chang, Z.
Chen, G.
Chen, L.
Chen, T. X.
Chen, Y. B.
Chen, Y.
Chen, Y. P.
Cui, W.
Cui, W. W.
Santangelo, A.
Dong, Y. W.
Du, Y. Y.
Fu, M. X.
Gao, G. H.
Gao, H.
Gao, M.
Gu, Y. D.
Guan, J.
Han, D. W.
Huang, Y.
Huo, J.
Jia, S. M.
Jiang, L. H.
Jiang, W. C.
Jin, J.
Kong, L. D.
Li, B.
Li, C. K.
Li, G.
Li, M. S.
Li, W.
Li, X.
Li, X. F.
Li, Y. G.
Li, Z. W.
Liang, X. H.
Liu, C. Z.
Li, G. Q.
Liu, H. W.
Liu, X. J.
Liu, Y. N.
Lu, B.
Lu, X. F.
Luo, Q.
Luo, T.
Ma, X.
Meng, B.
Nang, Y.
Nie, J. Y.
Qu, G.
Sai, N.
Song, S. X.
Sun, L.
Tan, Y.
Tao, L.
Tuo, Y. L.
Wang, C.
Wang, G. F.
Wang, J.
Wang, W. S.
Wang, Y. S.
Wen, X. Y.
Wu, B. B.
Wu, B. Y.
Wu, M.
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Özet
The long-term evolution of the centroid energy of the CRSF in Her X-1 is still a mystery. We report a new measurement from a campaign between Insight-HXMT and NuSTAR performed in February 2018. Generally, the two satellites show well consistent results of timing and spectral properties. The joint spectral analysis confirms that the previously observed long decay phase has ended, and that the line energy instead keeps constant around 37.5 keV after flux correction. (C) 2019 The Author(s). Published by Elsevier B.V.
Bağlantı
http://hdl.handle.net/20.500.12627/149840
https://doi.org/10.1016/j.jheap.2019.09.002
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