Unveiling the internal structure and formation history of the three planets transiting HIP 29442 (TOI-469) with CHEOPS

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Volume 688 (August 2024)

A&A, 688 (2024) A223

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Table B.4

Median and one-sigma errors for the posterior distributions of the internal structure modelling for HIP 29442 c using the new version of plaNETic described in Section 4.2.

Water prior	Formation outside iceline (water-rich)			Formation inside iceline (water-poor)
Si/Mg/Fe prior	Stellar (A1)	Iron-enriched (A2)	Free (A3)	Stellar (B1)	Iron-enriched (B2)	Free (B3)
w_core [%]	${18.7}_{- 12.3}^{+ 11.1}$ $\[18.7_{-12.3}^{+11.1}\]$	${29.2}_{- 19.5}^{+ 19.8}$ $\[29.2_{-19.5}^{+19.8}\]$	${31.4}_{- 21.2}^{+ 21.5}$ $\[31.4_{-21.2}^{+21.5}\]$	${20.4}_{- 12.9}^{+ 10.6}$ $\[20.4_{-12.9}^{+10.6}\]$	${35.4}_{- 22.5}^{+ 19.1}$ $\[35.4_{-22.5}^{+19.1}\]$	${39.2}_{- 25.6}^{+ 20.9}$ $\[39.2_{-25.6}^{+20.9}\]$
w_mantle [%]	${80.3}_{- 11.2}^{+ 12.5}$ $\[80.3_{-11.2}^{+12.5}\]$	${68.2}_{- 20.3}^{+ 19.5}$ $\[68.2_{-20.3}^{+19.5}\]$	${65.4}_{- 22.2}^{+ 21.3}$ $\[65.4_{-22.2}^{+21.3}\]$	${75.4}_{- 10.9}^{+ 14.3}$ $\[75.4_{-10.9}^{+14.3}\]$	${64.6}_{- 19.1}^{+ 22.5}$ $\[64.6_{-19.1}^{+22.5}\]$	${60.7}_{- 20.9}^{+ 25.6}$ $\[60.7_{-20.9}^{+25.6}\]$
w_envelope [%]	${0.6}_{- 0.4}^{+ 1.2}$ $\[0.6_{-0.4}^{+1.2}\]$	${2.3}_{- 1.5}^{+ 2.5}$ $\[2.3_{-1.5}^{+2.5}\]$	${2.9}_{- 2.0}^{+ 3.1}$ $\[2.9_{-2.0}^{+3.1}\]$	( ${1.3}_{- 0.2}^{+ 0.3}$ $\[1.3_{-0.2}^{+0.3}\]$ ) 10⁻⁴	( ${1.7}_{- 0.5}^{+ 1.5}$ $\[1.7_{-0.5}^{+1.5}\]$ ) 10⁻⁴	( ${2.1}_{- 0.9}^{+ 2.8}$ $\[2.1_{-0.9}^{+2.8}\]$ ) 10⁻⁴

Z_envelope [%]	${99.8}_{- 1.3}^{+ 0.2}$ $\[99.8_{-1.3}^{+0.2}\]$	${99.9}_{- 1.4}^{+ 0.1}$ $\[99.9_{-1.4}^{+0.1}\]$	${99.9}_{- 1.4}^{+ 0.1}$ $\[99.9_{-1.4}^{+0.1}\]$	${0.5}_{- 0.2}^{+ 0.3}$ $\[0.5_{-0.2}^{+0.3}\]$	${0.5}_{- 0.2}^{+ 0.2}$ $\[0.5_{-0.2}^{+0.2}\]$	${0.5}_{- 0.2}^{+ 0.2}$ $\[0.5_{-0.2}^{+0.2}\]$

x_Fe,core [%]	${90.3}_{- 6.3}^{+ 6.7}$ $\[90.3_{-6.3}^{+6.7}\]$	${90.6}_{- 6.6}^{+ 6.4}$ $\[90.6_{-6.6}^{+6.4}\]$	${90.5}_{- 6.5}^{+ 6.4}$ $\[90.5_{-6.5}^{+6.4}\]$	${90.0}_{- 6.6}^{+ 6.9}$ $\[90.0_{-6.6}^{+6.9}\]$	${90.3}_{- 6.4}^{+ 6.5}$ $\[90.3_{-6.4}^{+6.5}\]$	${90.4}_{- 6.4}^{+ 6.5}$ $\[90.4_{-6.4}^{+6.5}\]$
x_S,core [%]	${9.7}_{- 6.7}^{+ 6.3}$ $\[9.7_{-6.7}^{+6.3}\]$	${9.4}_{- 6.4}^{+ 6.6}$ $\[9.4_{-6.4}^{+6.6}\]$	${9.5}_{- 6.4}^{+ 6.5}$ $\[9.5_{-6.4}^{+6.5}\]$	${10.0}_{- 6.9}^{+ 6.6}$ $\[10.0_{-6.9}^{+6.6}\]$	${9.7}_{- 6.5}^{+ 6.4}$ $\[9.7_{-6.5}^{+6.4}\]$	${9.6}_{- 6.5}^{+ 6.4}$ $\[9.6_{-6.5}^{+6.4}\]$

x_Si,mantle [%]	${37.1}_{- 5.8}^{+ 6.8}$ $\[37.1_{-5.8}^{+6.8}\]$	${29.7}_{- 8.0}^{+ 10.5}$ $\[29.7_{-8.0}^{+10.5}\]$	${22.5}_{- 15.7}^{+ 25.4}$ $\[22.5_{-15.7}^{+25.4}\]$	${36.4}_{- 6.3}^{+ 6.3}$ $\[36.4_{-6.3}^{+6.3}\]$	${28.8}_{- 8.0}^{+ 10.4}$ $\[28.8_{-8.0}^{+10.4}\]$	${20.0}_{- 14.2}^{+ 22.9}$ $\[20.0_{-14.2}^{+22.9}\]$
x_Mg,mantle [%]	${45.6}_{- 6.4}^{+ 7.1}$ $\[45.6_{-6.4}^{+7.1}\]$	${35.1}_{- 9.6}^{+ 11.9}$ $\[35.1_{-9.6}^{+11.9}\]$	${33.8}_{- 19.7}^{+ 23.2}$ $\[33.8_{-19.7}^{+23.2}\]$	${45.9}_{- 7.2}^{+ 8.5}$ $\[45.9_{-7.2}^{+8.5}\]$	${34.0}_{- 9.5}^{+ 12.1}$ $\[34.0_{-9.5}^{+12.1}\]$	${33.9}_{- 18.7}^{+ 24.6}$ $\[33.9_{-18.7}^{+24.6}\]$
x_Fe,mantle [%]	${16.8}_{- 10.9}^{+ 9.9}$ $\[16.8_{-10.9}^{+9.9}\]$	${35.0}_{- 21.9}^{+ 16.9}$ $\[35.0_{-21.9}^{+16.9}\]$	${38.8}_{- 24.2}^{+ 20.2}$ $\[38.8_{-24.2}^{+20.2}\]$	${16.8}_{- 9.8}^{+ 10.9}$ $\[16.8_{-9.8}^{+10.9}\]$	${36.8}_{- 21.9}^{+ 17.0}$ $\[36.8_{-21.9}^{+17.0}\]$	${40.7}_{- 25.4}^{+ 20.1}$ $\[40.7_{-25.4}^{+20.1}\]$

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