HEXTE studies of Sco X-1 spectra: Detections of hard X-ray tails beyond 200 keV
作者： F. D'Amico , W.A. Heindl , R.E. Rothschild , L.E. Peterson , D.E. Gruber
DOI: 10.1016/S0273-1177(01)00436-7
关键词:
摘要: Abstract Using the HEXTE experiment on-board RXTE satellite, we performed a search for hard X-ray tails in Sco X-1 spectra. We found strong evidence presence of such non-thermal component on several occasions. PCA/ were able to track position source along Z diagram, and observed that tail is not confined particular region. However, correlation between power law index suggesting spectrum (i.e., E > 50 keV) becomes flatter as mass accretion rate increases. also study temporal variation appearance/absence component. With our derived luminosities, test idea luminosities can be used distinguish binary systems containing neutron stars black holes.
harvard.edu
elsevier.com
sci-hub.se 参考文章(18)
Mark Strickman, Detection of Multiple Hard X-ray Flares from Sco X-1 with OSSE THE FIFTH COMPTON SYMPOSIUM. ,vol. 510, pp. 222- 226 ,(2000) , 10.1063/1.1303207
D. E. Gruber, F. D'Amico, W. A. Heindl, R. E. Rothschild, HEXTE Detections of Hard X-Ray Tails in Sco X-1 arXiv: Astrophysics. ,(2000)
M. R. Pelling, P. L. Hink, D. R. MacDonald, W. A. Heindl, L. R. Wayne, P. R. Blanco, D. E. Gruber, D. C. Marsden, R. E. Rothschild, In-Flight Performance of the High Energy X-Ray Timing Experiment on the Rossi X-Ray Timing Explorer The Astrophysical Journal. ,vol. 496, pp. 538- 549 ,(1998) , 10.1086/305377
Laurence E. Peterson, Allan S. Jacobson, The Spectrum of Scorpius XR-1 to 50 KEV The Astrophysical Journal. ,vol. 145, pp. 962- ,(1966) , 10.1086/148848
M. L. Duldig, J. G. Greenhill, K. B. Fenton, R. M. Thomas, D. J. Watts, Enhanced X-ray emission above 50 keV in sco X-1 Astrophysics and Space Science. ,vol. 95, pp. 137- 144 ,(1983) , 10.1007/BF00661165
D. Barret, J. F. Olive, L. Boirin, C. Done, G. K. Skinner, J. E. Grindlay, HARD X-RAY EMISSION FROM LOW-MASS X-RAY BINARIES The Astrophysical Journal. ,vol. 533, pp. 329- 351 ,(2000) , 10.1086/308651
J. G. Greenhill, M. J. Coe, S. J. B. Burnell, K. T. Strong, G. F. Carpenter, High energy X-ray observations of Sco-like sources with Ariel V Monthly Notices of the Royal Astronomical Society. ,vol. 189, pp. 563- 570 ,(1979) , 10.1093/MNRAS/189.3.563
R. E. Rothschild, D. E. Gruber, F. K. Knight, P. L. Nolan, Y. Soong, A. M. Levine, F. A. Primini, W. A. Wheaton, W. H. G. Lewin, A high sensitivity determination of the hard X-ray spectrum of Sco X-1 Nature. ,vol. 286, pp. 786- 788 ,(1980) , 10.1038/286786A0
Y. Soong, R. E. Rothschild, Long-term, hard X-ray observations of Scorpius X-1 from HEAO 1 The Astrophysical Journal. ,vol. 274, pp. 327- 332 ,(1983) , 10.1086/161449
Didier Barret, Jeffrey E. McClintock, Jonathan E. Grindlay, Luminosity Differences between Black Holes and Neutron Stars The Astrophysical Journal. ,vol. 473, pp. 963- 973 ,(1996) , 10.1086/178206