SIMBAD references

2005ApJ...622L..85B - Astrophys. J., 622, L85-L88 (2005/April-1)

Swift X-ray Telescope and Very Large Telescope observations of the afterglow of GRB 041223.

BURROWS D.N., HILL J.E., CHINCARINI G., TAGLIAFERRI G., CAMPANA S., MORETTI A., ROMANO P., MALESANI D., RACUSIN J.L., KOBAYASHI S., ZHANG B., MESZAROS P., O'BRIEN P.T., WILLINGALE R., OSBORNE J.P., CUSUMANO G., GIOMMI P., ANGELINI L., ABBEY A.F., ANTONELLI L.A., BEARDMORE A.P., CAPALBI M., COVINO S., D'AVANZO P., GOAD M.R., KENNEA J.A., MORRIS D.C., PAGANI C., PAGE K.L., STELLA L., NOUSEK J.A., WELLS A.A. and GEHRELS N.

Abstract (from CDS):

GRB 041223 was the first gamma-ray burst detected by the Swift X-Ray Telescope (XRT), beginning 4.6 hr after the burst. The X-ray detection triggered a VLT observation of the optical/near-infrared (NIR) counterpart, located about 1".1 from the XRT position. The X-ray counterpart faded rapidly, with a power-law index of -1.72±0.20, with an average unabsorbed X-ray flux of 6.5x10–12 ergs/cm2/s in the 0.5-10 keV band for a power-law spectrum of photon index 2.02±0.13 with Galactic absorption. The NIR counterpart was observed at three epochs between 16 and 87 hr after the burst and faded with a power-law index of -1.14±0.08 with a reddening-corrected spectral energy distribution power-law slope of -0.40±0.03. We find that the X-ray and NIR data are consistent with a two-component jet in a wind medium.

Abstract Copyright:

Journal keyword(s): Gamma Rays: Bursts

Nomenclature: SWIFT JHHMMSS.s+DDMMSS N=1.

Simbad objects: 2

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