Abstract
Using the observation data by HEXTE instrument on board RXTE, we analyzed the hard X-ray spectra of Circinus X-1 along the HID. We found evidence for the presence of such a non-thermal component and discussed the results.
This work was subsidized by the Special Funds for Major State Basic Research Projects and by the Nation Science Foundation of China
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References
Toor, A., Millisecond X-ray bursts from Circinus X-1. 1977. Ap.J, 215, T57
Tennant, A. F., Fabian, A. C., Shafer, R. A., The discovery of X-ray bursts from CIR X-1, MNRAS, 1986a, 219, 871
Tennant, A. F., Fabian, A. C., Shafer, R. A., Observation of type I X-ray bursts from CIR X-1, MNRAS, 1986b, 221, 27
Hasinger, G., van der Klis, M., Two patterns of correlated X-ray timing and spectral behaviour in low-mass X-ray binaries, A&A, 1989, 225, 79
Shirey R. E., Ph.D. Thesis, MIT, 1998
Barret, D., Olive, J. F., Boirin, L., et al., Hard X-Ray Emission X-R ssion from Low-Mass ay Binaries, ApJ, 2000, 533, 329
Di Salvo, T., Stella, L., Robba, N. R., et al., The Discovery of a State-Dependent Hard Tail in the X-Ray Spectrum of the Luminous Z Source GX 17+2, ApJ, 2000, 544, L119
Strickman, M., Barret, D., Detections of Multiple Hard X-ray Flares from Sco X-1 with OSSE, in Proceedings of the Fifth Compton Symposium, edited by M.L. McConnel and J.M. Ryan, AIP Conference Proceedings 510, New York, 2000, pp.222
D’Amico, F.; Heindl, W. A.; Rothschild, R., et al., High-Energy X-Ray Timing Experiment Detections of Hard X-Ray Tails in Scorpius X-1, ApJ, 2001, 547, L147
D’Amico, F., Heindl, W. A., Rothschild, R. E., et al., Hexte Studies of SCU X-1 Spectra: Detections of Hard X-RAY Tails Beyond 200keV, ApJ, 2001, 28, 389D
Di Salvo, T., Robba,N. R., Iaria, R.,et al., Detection of a Hard Tail in the X-ray Spectrum of the Z Source GX 349+2, ApJ, 2001, 554, 49D
D’Amico, F., Heindl, W. A., Rothschild, R. E., et al., Studies of Hard X-ray Tails in Z sources with RXTE/HEXTE, ApJ, astro-ph/0105201, 11 May 2001
Iaria, R., Burderi, L., Di Salvo, T., et al., The Composite Broad Band Spectrum of Cir X-1 at the Periastron: a Peculiar Z-source, ApJ, 2001, 459, 2971
van der Klis, M.; Swank, J. H.; Zhang, W. et al., Discovery of Submillisecond Quasiperiodic Oscillations in the X-Ray Flux of Scorpius X-1, ApJ, 1996, 469, L1
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Ding, GQ., Qu, JL. (2003). Studies of Hard X-Ray Tails in Cir X-1 with HEXTE/RXTE. In: Cheng, K.S., Leung, K.C., Li, T.P. (eds) Stellar Astrophysics — A Tribute to Helmut A. Abt. Astrophysics and Space Science Library, vol 298. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-0403-8_37
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DOI: https://doi.org/10.1007/978-94-017-0403-8_37
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