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Fig. A.6

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Reduction factor ĸ on the pebble accretion cross section in our disc model according to the prescription by Ida et al. (2016), ĸIGM16 (solid line), a similar reduction factor by Liu & Ormel (2018) in the head wind regime with small e and i ĸOL18,hw (dashed line), and that with e = 10–3 and small i ĸOL18,e = 10–2 (dotted line) as different mass m. The values of St = 0.1 and r = 5 au are set for this estimation.

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