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An Application of Multi-band Forced Photometry to One Square Degree of SERVS: Accurate Photometric Redshifts and Implications for Future Science

  • Authors: Kristina Nyland, Mark Lacy, Anna Sajina, Janine Pforr, Duncan Farrah, Gillian Wilson, Jason Surace, Boris Häußler, Mattia Vaccari, and Matt Jarvis

2017 The Astrophysical Journal Supplement Series 230 9.

  • Provider: AAS Journals

Caption: Figure 7.

Left: comparison of the number distribution of ﹩{K}_{{\rm{s}}}﹩-band source magnitudes from the original VIDEO catalog (purple) and our forced-photometry measurements based on the IRAC-selected input catalog (red). The VIDEO-selected histogram represents Petrosian source magnitudes. We emphasize that sources with measurements based on our IRAC-selected forced photometry were not detected in the original VIDEO catalog. Right: zoomed-in view of the left panel that highlights the distribution of ﹩{K}_{{\rm{s}}}﹩-band source magnitudes from our new IRAC-selected forced photometry. The vertical dashed line marks the original VIDEO ﹩{K}_{{\rm{s}}}﹩-band 5σ detection threshold from Table 1.

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