Based on observations collected with VLT-Kueyen-FORS2-MXU during the commissioning 1 of FORS2 and the mechanical commissioning of the MXU, operated on Cerro Paranal (Chile) by the European Southern Observatory and the VLT instrument consortium (FORS2).

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G1 was spectroscopically not resolved (Mazzali et al. 1996) with EFOSC at $\Delta \lambda=3.7$ Å (=167 kms^-1) but with CASPEC at $\Delta \lambda=0.33$ Å (=15 kms^-1). G1 is an example for a Class2 profile hidden in the group of single peak profiles. G1 in taken to be a symmetric single peak profile in this study.

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