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VICS82: The VISTA–CFHT Stripe 82 Near-infrared Survey

  • Authors: 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. Lin, L. Van Waerbeke, M. E. S. Pereira, and D. Mast

2017 The Astrophysical Journal Supplement Series 231 7.

  • Provider: AAS Journals

Caption: Figure 11.

gJKs color-color plot showing spectroscopically classified objects from SDSS DR9 with ﹩{K}_{{\rm{s}}}\lt 21﹩ mag, where we separate out the very high-redshift (﹩z\gt 5﹩) QSOs. For clarity we show no more than 1000 of each type of object. This illustrates how intermediate- and high-redshift QSOs can be selected using a combination of SDSS optical and VICS82 near-infrared photometry, with extragalactic point sources cleanly separated from the stellar locus.

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