A deep near-infrared spectroscopic survey of 43 photometrically-selected galaxies with redshift z > 6.5 detects a near-infrared emission line from only a single galaxy; this line is likely to be Lyman α emission at a wavelength of 1.0343 μm, placing this galaxy at z = 7.51.
- S. L. Finkelstein
- C. Papovich
- S. P. Willner