SIMBAD references

1998A&A...335L...5G - Astronomy and Astrophysics, volume 335, L5-8 (1998/7-1)

Detection of the near-infrared counterpart of GRB971214 3.2 hours after the gamma-ray event.

GOROSABEL J., CASTRO-TIRADO A.J., WILLOTT C.J., HIPPELEIN H., GREINER J., SHLYAPNIKOV A., GUZIY S., COSTA E., FEROCI M., FRONTERA F., NICASTRO L. and PALAZZI E.

Abstract (from CDS):

We report the detection of the GRB971214 counterpart in the near-infrared by means of two images in the K'-band taken at Calar Alto only ∼3.5 and ∼5 hours after the gamma-ray event. We detect the transient at K'=18.03±0.18 and K'=18.00±0.22 respectively. Our data seem to indicate the existence of a plateau with duration 1.5≤T≤6.7 hours (between 3.5 and 10.2 hours after the high-energy event). Moreover the power-law decline should be steeper than the one given by the index αK'=0.45. There is also a change in the slope of the broad-band spectrum at some wavelength between the J and K' bands (possibly around the H-band).

Abstract Copyright:

Journal keyword(s): gamma rays: bursts - methods: observational

Simbad objects: 4

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