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1991ApJ...383L..49S - Astrophys. J., 383, L49-L52 (1991/December-2)
Three spectral states of 1E 1740.7-2942: from standard Cygnus X-1 type spectrum to the evidence of electron-positron annihilation feature.
SUNYAEV R., CHURAZOV E., GILFANOV M., PAVLINSKY M., GREBENEV S., BABALYAN G., DEKHANOV I., KHAVENSON N., BOUCHET L., MANDROU P., ROQUES J.P., VEDRENNE G., CORDIER B., GOLDWURM A., LEBRUN F. and PAUL J.
Abstract (from CDS):
Abstract Copyright: ∼
Journal keyword(s): Black Holes - Galaxies: The Galaxy - Gamma Rays: General - X-Rays: Sources
Simbad objects: 9
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