A Deep Narrowband Imaging Search for CIV and He II Emission from Ly$\alpha$ Blobs

Fabrizio Arrigoni Battaia, Yujin Yang, Joseph F. Hennawi +4

We conduct a deep narrow-band imaging survey of 13 Ly$\alpha$ blobs (LABs) located in the SSA22 proto-cluster at z~3.1 in the CIV and HeII emission lines in an effort to constrain the p…