The Team Keck Redshift Survey 2: MOSFIRE Spectroscopy of the GOODS-North Field
Gregory D. Wirth, Jonathan R. Trump, Guillermo Barro, Yicheng Guo,, David C. Koo, Fengshan Liu, Marc Kassis, Jim Lyke, Luca Rizzi, Randy, Campbell, Robert W. Goodrich, and S. M. Faber

TL;DR
The TKRS2 survey uses MOSFIRE spectroscopy to study galaxy emission lines at high redshift, revealing insights into galaxy composition and ionization, and providing publicly available spectral data for further research.
Contribution
This work presents the first detailed sensitivity analysis of MOSFIRE across wavelengths and releases a comprehensive dataset of high-redshift galaxy spectra.
Findings
Detection of strong emission lines in z~2 galaxies
Evidence for higher N/O ratios or low-metallicity AGN activity
Public release of spectral data for community use
Abstract
We present the Team Keck Redshift Survey 2 (TKRS2), a near-infrared spectral observing program targeting selected galaxies within the CANDELS subsection of the GOODS-North Field. The TKRS2 program exploits the unique capabilities of MOSFIRE, an infrared multi-object spectrometer which entered service on the Keck I telescope in 2012 and contributes substantially to the study of galaxy spectral features at redshifts inaccessible to optical spectrographs. The TKRS2 project targets 97 galaxies drawn from samples that include z~2 emission-line galaxies with features observable in the JHK bands as well as lower-redshift targets with features in the Y band. We present a detailed measurement of MOSFIRE's sensitivity as a function of wavelength, including the effects of telluric features across the YJHK filters. The largest utility of our survey is in providing rest-frame-optical emission lines…
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