Disclaimer: The information given here refers to the use of this recipe during QC processing. For more details see the pipeline manual at the pipelines page.

• recipe name:xsh_mbias
• input raw frames: BIAS_<arm> (arm = UVB/VIS)

Description: The master bias is created from a set of raw bias frames, of which a median is calculated with cosmic ray rejection. During that process hot and cold pixels are flagged and stored in bad pixel maps.