University of Hertfordshire

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VICS82: the VISTA-CFHT Stripe 82 near-infrared survey

Research output: Research - peer-reviewArticle


  • J. E. Geach
  • Y.-T. Lin
  • M. Makler
  • J-P. Kneib
  • N.P. Ross
  • W-H Wang
  • B-C Hsieh
  • A. Leauthaud
  • K. Bundy
  • H. J. McCracken
  • J. Comparat
  • G. B. Caminha
  • P. Hudelot
  • L.-Y. Lin
  • L. Van Waerbeke
  • M. E. S. Pereira
  • D. Mast
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Original languageEnglish
Article number7
JournalAstrophysical Journal, Supplement Series
Journal publication date14 Jul 2017
StatePublished - 14 Jul 2017


We present the VISTA-CFHT Stripe 82 (VICS82) survey: a near-infrared (J+Ks) survey covering 150 square degrees of the Sloan Digital Sky Survey (SDSS) equatorial Stripe 82 to an average depth of J=21.9 AB mag and Ks=21.4 AB mag (80% completeness limits; 5-sigma point source depths are approximately 0.5 mag brighter). VICS82 contributes to the growing legacy of multi-wavelength data in the Stripe 82 footprint. The addition of near-infrared photometry to the existing SDSS Stripe 82 coadd ugriz photometry reduces the scatter in stellar mass estimates to delta log(M_stellar)~0.3 dex for galaxies with M_stellar>10^9M_sun at z~0.5, and offers improvement compared to optical-only estimates out to z~1, with stellar masses constrained within a factor of approximately 2.5. When combined with other multi-wavelength imaging of the Stripe, including moderate-to-deep ultraviolet (GALEX), optical and mid-infrared (Spitzer IRAC) coverage, as well as tens of thousands of spectroscopic redshifts, VICS82 gives access to approximately 0.5 Gpc^3 of comoving volume. Some of the main science drivers of VICS82 include (a) measuring the stellar mass function of L^star galaxies out to z~1; (b) detecting intermediate redshift quasars at 2z


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