Keck Sample of Quiescent Galaxies
This dataset comprises 167 Keck spectra of high-redshift galaxies. The primary targets are massive quiescent galaxies, but low-mass and/or star-forming objects are also present. The sample was obtained with the main goal of studying the rest-frame optical stellar continuum; the main features that were targeted are the Balmer absorption lines, CaII H and K, 4000A break, G band, and also the [OII] emission line. However, the exact rest-frame wavelength range is different for each object, depending on redshift and position on the slitmask. Each of the 167 spectra yielded a spectroscopic redshift measurement via absorption and/or emission lines; more galaxies were targeted during the observations but no identifiable features could be detected in their spectra.
If you use these data in your publication, please cite Belli et al. 2014, ApJ, 783, 117 (for the LRIS spectra) and Belli et al. 2017, ApJ, 834, 18 (for the MOSFIRE spectra).
- README.txt
- KSQG Visualization Jupyter Notebook | Webpage (static) (plotting example)
- Keck Spectra csv | xlsx
- wget_KSQG.sh
- wget_KSQG_koaids.sh
- Belli et al. 2014, ApJ, 783, 117 (LRIS spectra)
- Belli et al. 2017, ApJ, 834, 18 (MOSFIRE spectra)
Click on a column header to sort. Click on the 3 bars in the column header to filter.
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Please acknowledge the use of KOA by including this text in your publications:
Privacy Policy Image Use Policy The Keck Observatory Archive (KOA) is a collaboration between the NASA Exoplanet Science Institute (NExScI) and the W. M. Keck Observatory (WMKO). NExScI is sponsored by NASA's Exoplanet Exploration Program, and operated by the California Institute of Technology in coordination with the Jet Propulsion Laboratory (JPL).
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