_:n3b24db0787b64712830965ddc7cb867fxb121
<http://schema.org/caption>
"Figure 4. Fractional uncertainties in stellar radii (left) and stellar mass (right) versus distance. Points with blue halos represent transiting planet host stars. The diagonal lines represents the fractional error expected for a current nominal parallax error floor of 240 µas (black) and for an expected future parallax error of 20 µas (red). In the case of stellar mass (right), there are two diagonal lines representing the dependence of σM?/M? on σd for the transiting planets (where M? is determined directly from ρ? and R?; upper line) and radial-velocity planets (where M? is determined from log g and R?; lower line)."
<https://www.semanticscholar.org/paper/Accurate-Empirical-Radii-and-Masses-of-Planets-and-Stassun-Collins/b0f0293ad3acb7e228f9be990695d8deefb10217>