[vsnet-grb 19] (fwd) BeppoSAX mail n.00/23 GRB000926: X-ray afterglow by BeppoSAX: revised

[Taichi Kato <tkato>]

(fwd) BeppoSAX mail n.00/23 GRB000926: X-ray afterglow by BeppoSAX: revised

Date: Fri, 6 Oct 2000 16:59:39 +0200 (DFT)
From: "Luigi Piro, BeppoSAX Mission Scientist" <piro@ias.rm.cnr.it>
Subject: [vsnet-alert 5305] BeppoSAX mail n.00/23 GRB000926: X-ray afterglow
        by BeppoSAX: revised fluxes  (fwd)

BeppoSAX mail n.00/23


L. Piro (BeppoSAX Mission Scientist, IAS/CNR Roma) & L. A. Antonelli (OaR)
report on behalf of the BeppoSAX team:


We have found an error in the application of a conversion factor which
underestimates the fluxes distributed in GCN n.832 & BeppoSAX mail n.00/22

The correct value of the average flux (at T=29.25) is

 F(1.6-10 keV)= (2.6+\-0.6) 10^-13 erg/cm2/s

We have also carefully checked different background subtraction methods,
finding that the corresponding systematic effect amouts to less than about
15%. This has been included in the flux error quoted above.

All the other results on the fading behaviour and on the spectral
shape presented in GCN 832 remain unaffected.

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