SHELS: A Complete Galaxy Redshift Survey with R$\leq$20.6
Margaret J. Geller, Ho Seong Hwang, Daniel G. Fabricant, Michael J., Kurtz, Ian P. Dell'Antonio, and Harus Jabran Zahid

TL;DR
The SHELS survey provides a dense, complete redshift catalog of galaxies up to R=20.6 in two fields, enabling detailed studies of galaxy structure, evolution, and properties at intermediate redshifts.
Contribution
This paper presents the first complete, high-density redshift survey of a 4 deg$^2$ field to R=20.6, including new measurements of redshift, spectral indices, stellar mass, and metallicity for over 16,000 galaxies.
Findings
The survey is 95% complete to R=20.6.
The median redshift of the sample is 0.3.
The data reveal clear evolutionary trends in galaxy properties.
Abstract
The SHELS (Smithsonian Hectospec Lensing Survey) is a complete redshift survey covering two well-separated fields (F1 and F2) of the Deep Lens Survey to a limiting R = 20.6. Here we describe the redshift survey of the F2 field (R.A. = 091932.4 and Decl. = +300000). The survey includes 16,294 new redshifts measured with the Hectospec on the MMT. The resulting survey of the 4 deg F2 field is 95\% complete to R = 20.6, currently the densest survey to this magnitude limit. The median survey redshift is ; the survey provides a view of structure in the range 0.1 . A movie displays the large-scale structure in the survey region. We provide a redshift, spectral index D4000, and stellar mass for each galaxy in the survey. We also provide a metallicity for each galaxy in the range 0.2…
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