TITLE: GCN CIRCULAR NUMBER: 6231 SUBJECT: GRB 070328: pseudo-z~2.75 from spectral parameters of the prompt DATE: 07/03/30 16:46:17 GMT FROM: Alexandre Pelangeon at LATT,OMP,Toulouse A. Pelangeon & J-L. Atteia (LATT-OMP) report: We have used the spectral parameters obtained for the most intense part of GRB 070328 -- from T0 to T-T0 ~22 sec, Konus time (V. Pal'shin, Ioffe Inst., private communication) -- observed by Konus-Wind (Golenetskii et al., GCNC 6230) to compute the spectral pseudo-redshift** of this burst detected by SWIFT-BAT (Markwardt et al., GCNC 6224; Stamatikos et al., GCNC 6225). We find a pseudo-redshift pz= 2.75 +/- 0.95 We thank V. Pal'shin for having kindly performed the spectrum analysis of the most intense part and providing us the spectral parameters. ** cf. http://www.ast.obs-mip.fr/grb/pz