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Phibss: Molecular Gas, Extinction, Star Formation, and Kinematics in the z = 1.5 Star-forming Galaxy EGS13011166

  • Authors: R. Genzel, L. J. Tacconi, J. Kurk, S. Wuyts, F. Combes, J. Freundlich, A. Bolatto, M. C. Cooper, R. Neri, R. Nordon, F. Bournaud, A. Burkert, J. Comerford, P. Cox, M. Davis, N. M. Förster Schreiber, S. García-Burillo, J. Gracia-Carpio, D. Lutz, T. Naab, S. Newman, A. Saintonge, K. Shapiro Griffin, A. Shapley, A. Sternberg, and B. Weiner

Genzel et al. 2013 The Astrophysical Journal 773 68.

  • Provider: AAS Journals

Caption: Figure 8.

Spatially resolved molecular KS relation in EGS 13011166. Left panel: green circles (and ±1σ uncertainties) denote CO-inferred molecular gas surface densities (horizontal) and the mixed-extinction/effective single screen corrected Hα-star formation rates (with a "single Calzetti" screen; Calzetti et al. 2000) for each 0 farcs25 × 0 farcs25 pixel in the map. Black filled circles and crosses denote the weighted binned medians of the individual pixel values and their dispersions. The dotted black line is the best-fit weighted linear regression to the green data, which yields a slope N = 1.14 ± 0.1. Right panel: binned weighted medians of the KS relations for other extinction correction methods: filled black circles denote the mixed case for an effective single Calzetti screen ( N = 1.14 ± 0.1; the same as in the left panel); crossed red squares denote the global extinction correction method ( N = 0.8 ± 0.05); the filled cyan squares mark a "double Calzetti" screen correction with an extra factor 2.27 for the nebular over the stellar extinction ( N = 1.7 ± 0.25); and open blue circles show the correlation for the direct broadband SED modeling (without using the Hα data) of the star formation rate surface density ( N = 1.15 ± 0.15).

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