[AAVSO-HEN] GRB 090406: pseudo-z= 0.91 from prompt emission spectrum

[grb at aavso.org]

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TITLE:   GCN CIRCULAR
NUMBER:  9116
SUBJECT: GRB 090406: pseudo-z= 0.91 from prompt emission spectrum
DATE:    09/04/09 09:43:25 GMT
FROM:    Alexandre Pelangeon at LATT,CNRS,U. Toulouse  <alexandre.pelangeon at gmail.com>

A. Pelangeon & J-L. Atteia (LATT-OMP) report:

We used the spectral parameters of GRB 090406
provided by Golenetskii et al. (GCNC 9103)
to compute the spectral pseudo-redshift(**) of this burst
detected by Konus-Wind and Konus-RF instrument.


We find a pseudo-redshift pz= 0.91 +/- 0.10


** cf. http://www.ast.obs-mip.fr/grb/pz