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The Stripe 82 Massive Galaxy Project. I. Catalog Construction

Bundy, Kevin; Leauthaud, Alexie; Saito, Shun; Bolton, Adam; Lin, Yen-Ting; Maraston, Claudia; Nichol, Robert C.; Schneider, Donald P.; Thomas, Daniel and Wake, David A. (2015). The Stripe 82 Massive Galaxy Project. I. Catalog Construction. Astrophysical Journal Supplement, 221(1), article no. 15.

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The Stripe 82 Massive Galaxy Catalog (s82-MGC) is the largest-volume stellar mass-limited sample of galaxies beyond z ≈ 0.1 constructed to date. Spanning 139.4 deg2, the s82-MGC includes a mass-limited sample of 41,770 galaxies with log M*/M≳ 11.2 to z ≈ 0.7, sampling a volume of 0.3 Gpc3, roughly equivalent to the volume of the Sloan Digital Sky Survey-I/II (SDSS-I/II) z < 0.15 MAIN sample. The catalog is built on three pillars of survey data: the SDSS Stripe 82 Coadd photometry which reaches r-band magnitudes of ~23.5 AB, Y JHK photometry at depths of 20th magnitude (AB) from the UK Infrared Deep Sky Survey Large Area Survey, and over 70,000 spectroscopic galaxy redshifts from the SDSS-I/II and the Baryon Oscillation Spectroscopic Survey. We describe the catalog construction and verification, the production of 9-band matched aperture photometry, tests of existing and newly estimated photometric redshifts required to supplement spectroscopic redshifts for 55% of the log M*/M≳ 11.2 sample, and geometric masking. We provide near-IR based stellar mass estimates and compare these to previous estimates. All catalog products are made publicly available. The s82-MGC not only addresses previous statistical limitations in high-mass galaxy evolution studies, but also begins tackling inherent data challenges in the coming era of wide-field imaging surveys.

Item Type: Journal Item
Copyright Holders: 2015. The American Astronomical Society
ISSN: 1538-4365
Extra Information: 21 pp.
Keywords: galactic catalogues; galactic abundances; galaxies
Academic Unit/School: Faculty of Science, Technology, Engineering and Mathematics (STEM) > Physical Sciences
Faculty of Science, Technology, Engineering and Mathematics (STEM)
Item ID: 48531
Depositing User: David Wake
Date Deposited: 06 Mar 2017 09:33
Last Modified: 07 Dec 2018 21:19
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