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Table 4

Physical planet parameters for GJ 3470b, HAT-P-11 b, and GJ 436 b.

Parameter GJ 3470 b (1−5) HAT-P-11 b (5,6) GJ 436 b (7−10)
Host sp. type M2.0 V K4 V M2.5 V
Radius [RJup] 0.36 ± 0.01 0.389 ± 0.005 0.374 ± 0.009
Mass [MJup] 0.036 ± 0.002 0.0736 ± 0.0047 0.0728 ± 0.0024
Density [g cm−3] 1.036 ± 0.119 1.658 ± 0.127 1.848 ± 0.163
Teq [K] 733 ± 23 832 ± 10 686 ± 10
FEUV [erg s−1 cm−2] 1435 ± 80 2109 ± 153 197 ± 9
Age [Gry] <3 6.5 ± 5.0 6.0 ± 5.0
He (23S) Absorption [%] 1.5 ± 0.3 1.08 ± 0.05 <0.41

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