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Table 2

System parameterization of K2-32 and its planets and comparison to literature values.

Star Planet e Planet b Planet c Planet d Ref.
P (d) 8.99213 20.6602 31.7154 C16
D16
             
P17
             
M18
             
H19
             

R 5.62 R 3.32 R 3.77 R C16 (a)
D16
             
P17
             
M18
             
H19 (b)
             

M <8.1 M (95% conf.) <35.0 M (95% conf.) D16
             
<12.1 M (95% conf.) P17
             

a (AU) 0.0811 0.14120 0.1879 C16 (a)
P17
             
H19 (c)
             

FPP (d) 0 5 × 10−4 5.4 × 10−6 C16 (a)
<1 × 10−3 2.2 × 10−2 <1 × 10−3 S16
<1 × 10−4 <1 × 10−4 <1 × 10−4 M18
3.1 × 10−3 5.2 × 10−3 4.9 × 10−3 7.2 × 10−3 H19

Notes. (a) Based on stellar classification (0.92 ± 0.07 R, 0.88 ± 0.03 M) by Huber et al. (2016). (b)Planetary radii and 68.3% confidence intervals based on our measured planet-to-star radius ratio and stellar radius estimates from P17. (c) Semimajor axes and 68.3% confidence intervals based on our measurements of the orbital periods and stellar mass estimates from P17. (d) FPP = false-positive probability. Values do not contain the “multiplicity boost” (reduction in FPP) but are detailed in S16.

References. C16: Crossfield et al. (2016); D16: Dai et al. (2016); S16: Sinukoff et al. (2016); P17: Petigura et al. (2017); M18: Mayo et al. (2018); H19: this study.

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