Peering into the formation history of β Pictoris b with VLTI/GRAVITY long-baseline interferometry

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Fig. 7

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Core-accretion scenario: evolution of the C/O ratio in the atmosphere of β Pic b as a function of the total mass of solid accreted by the protoplanet, for a formation between the H₂O and the CO₂ icelines, or within the H₂O iceline. The orange area gives the 68% confidence interval for the value of the C/O ratio.

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