5 citations · 9 across the 5 of their papers we have counts for
5 papers
SIGMA Observations of the Bursting Pulsar GRO J1744-28
J. Mejia, T. Villela, P. Goldoni +13
We present the results of the GRANAT/SIGMA hard X-/soft gamma-ray long-term monitoring of the Galactic Center (GC) region concerning the source GRO J1744-28, discovered on 1995 Dec…
Long-Term Variability of the Hard X-ray Source GRS 1758-258: GRANAT/SIGMA Observations
S. I. Kuznetsov, M. R. Gilfanov, E. M. Churazov +13
The results of GRANAT/SIGMA hard X-ray observations of GRS 1758-258 in 1990-1998 are presented. The source lies at ~5\arcdeg from the Galactic Center and was within the SIGMA field…
Deep SIGMA observations of the central square degree of the Galaxy
P. Goldoni, A. Goldwurm, F. Lebrun +13
The Center of the Milky Way emits radiation through all the electromagnetic spectrum due to the presence of several astrophysical phenomena. Various scientifical questions remain u…
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…
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…