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astro-ph1999
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…
astro-ph1997
SIGMA observations of X-ray Nova Velorum 1993 (GRS 1009-45)
P. Goldoni, M. Vargas, A. Goldwurm +13
We report on hard X-ray observations of X-ray Nova Velorum 1993 (GRS 1009-45) performed with the SIGMA coded mask X-ray telescope in January 1994. The source was clearly detected w…