3 papers
astro-ph1998
SIGMA and XTE observations of the soft X-ray transient XTEJ1755-324
P. Goldoni, M. Vargas, A. Goldwurm +13
We present observations of the X-ray transient XTEJ1755-324 performed during summer 1997 with the XTE satellite and with the SIGMA hard X-ray telescope onboard the GRANAT observato…
astro-ph1997
Two-phase spectral modelling of 1E1740.7-2942
O. Vilhu, J. Nevalainen, J. Poutanen +5
Combined ASCA and SIGMA data of 1E1740.7-2942 during the standard state (September 1993 and 1994) were fitted with two-phase models (ISMBB/Poutanen at al. and ADAF/Narayan et al.).…
astro-ph1996
Two Distinct Modes In The Low (Hard) State Of Cyg X-1 And 1E1740-294
S. Kuznetsov, M. Gilfanov, E. Churazov +12
The entire dataset of the GRANAT/SIGMA observations of Cyg X-1 and 1E1740.7-294 in 1990-1994 was analyzed in order to search for correlations between primary observational characte…