Extended Data Fig. 3: Comparison of the inclination angle and luminosity distance to AT2017gfo compared to the inclination angle constraint from VLBI jet measurements. | Nature

Extended Data Fig. 3: Comparison of the inclination angle and luminosity distance to AT2017gfo compared to the inclination angle constraint from VLBI jet measurements.

From: Spherical symmetry in the kilonova AT2017gfo/GW170817

Extended Data Fig. 3: Comparison of the inclination angle and luminosity distance to AT2017gfo compared to the inclination angle constraint from VLBI jet measurements.The alternative text for this image may have been generated using AI.

The 1σ and 2σ constraints (dashed contours) from the combined EPM (red) and gravitational wave standard siren volumetric (blue) priors yield a tight constraint on the inclination angle, in close agreement with 1σ constraints from VLBI measurements and Hubble Space Telescope precision astrometry (grey shading13).

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