Comprehensive JWST+ALMA Study on the Extended Ly$\alpha$ Emitters, Himiko and CR7 at $z\sim 7$: Blue Major Merger Systems in Stark Contrast to Submillimeter Galaxies

Tomokazu Kiyota, Masami Ouchi, Yi Xu +14

We present various properties of two bright extended Ly$\alpha$ objects, Himiko and CR7, at $z=6.6$ thoroughly investigated with JWST/NIRCam photometry, NIRSpec-IFU spectroscopy, and AL…