3 papers
astro-ph2003
Are the hosts of Gamma-Ray Bursts sub-luminous and blue galaxies?
E. Le Floc'h, P. -A. Duc, I. F. Mirabel +11
We present K-band imaging observations of ten Gamma-Ray Burst (GRB) host galaxies. We compare their observed and absolute K magnitudes as well as their R-K colours with those of ot…
astro-ph2002
The runaway black hole GRO J1655-40
I. F. Mirabel, R. Mignani, I. Rodrigues +3
We have used the Hubble Space Telescope to measure the motion in the sky and compute the galactocentric orbit of the black hole X-ray binary GRO J1655-40. The system moves with a r…
astro-ph2002
VLT and HST Observations of the Host Galaxy of GRB990705
E. Le Floc'h, P. -A. Duc, I. F. Mirabel +6
We present VLT spectroscopic observations of Gamma-Ray Burst (GRB) 990705 host galaxy and highlight the benefits provided by the prompt-phase features of GRBs to derive the redshif…