A spectroscopic survey of biased halos in the reionization era (ASPIRE): JWST discovers an overdensity around a metal absorption-selected galaxy at z~5.5

Quasar absorption line spectroscopyCircumgalactic mediumHigh-redshift galaxies13171879734Astrophysics - Astrophysics of GalaxiesAstrophysics - Cosmology and Nongalactic Astrophysics