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The Host Galaxies and Merger Environments of Short and Long Gamma-Ray Bursts Producing Kilonovae

  • Authors: Hannah Skobe, Brendan O'Connor, Antonella Palmese, Lewi Westcott, Christopher J. Conselice, Katelyn Breivik

Hannah Skobe et al 2026 The Astrophysical Journal 1009 .

  • Provider: AAS Journals

Caption: Figure 4.

The CDF for the observed physical (left panel) and host-normalized (right panel) offsets of our sample. We calculate the host-normalized offset by taking the ratio of physical offset, R, to the r50 of the galaxy. The CDF shows sGRBs (orange; B. P. Gompertz et al. 2020; W.-f. Fong et al. 2022; A. E. Nugent et al. 2022; B. O’Connor et al. 2022), LGRBs (gray; P. K. Blanchard et al. 2016), sGRB-KNe (blue), and LGRB-KNe (magenta). We use filter F160W (F814W for GRB 050709 and F150W for GRB 230307A) for our sample. The dashed line shows the GRB-KN host sample as a whole.

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