Probing the cores of subdwarf B stars: How they compare to cores in helium core-burning red giants

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Table 1.

Seismic and glitch properties of KIC 10553698A derived from fits of a step-like glitch model to the data.

	Π_s, min (s)	ΔΠ_as (s)	A_st	${\tilde{W}}_{g}^{⋆}$ $\tilde{\mathcal{W}}_{\mathrm{g}}^\star$ (rad/s)	δ	Π_sig (s)	Model and data	Range	Case
Period Spacings’ fit		$306_{- 18}^{+ 28}$ $306^{+28}_{-18}$	$40_{- 34}^{+ 51}$ $40^{+51}_{-34}$	$0 . 0086_{- 0.0012}^{+ 0.0004}$ $0.0086^{+0.0004}_{-0.0012}$	$1 . 2_{- 0.4}^{+ 1.5}$ $1.2^{+1.5}_{-0.4}$	$2295_{- 107}^{+ 320}$ $2295^{+320}_{-107}$	Step ; l = 1	< 11 100 s	A
		$317_{- 14}^{+ 20}$ $317^{+20}_{-14}$	$17_{- 10}^{+ 37}$ $17^{+37}_{-10}$	$0 . 0085_{- 0.0006}^{+ 0.0003}$ $0.0085^{+0.0003}_{-0.0006}$	$1 . 3_{- 0.3}^{+ 0.9}$ $1.3^{+0.9}_{-0.3}$	$2322_{- 82}^{+ 164}$ $2322^{+164}_{-82}$	Step ; l = 1, 2	< 11 100 s	B

Periods’ fit	$3616_{- 14}^{+ 14}$ $3616^{+14}_{-14}$	$325 . 42_{- 0.95}^{+ 0.96}$ $325.42^{+0.96}_{-0.95}$	$55_{- 24}^{+ 29}$ $55^{+29}_{-24}$	$0 . 00785_{- 0.00012}^{+ 0.00012}$ $0.00785^{+0.00012}_{-0.00012}$	$0 . 69_{- 0.17}^{+ 0.18}$ $0.69^{+0.18}_{-0.17}$	$2515_{- 38}^{+ 38}$ $2515^{+38}_{-38}$	Step ; l = 1, 2	< 11 100 s	C
	$3622_{- 24}^{+ 24}$ $3622^{+24}_{-24}$	$325 . 5_{- 1.7}^{+ 1.7}$ $325.5^{+1.7}_{-1.7}$	$62_{- 26}^{+ 29}$ $62^{+29}_{-26}$	$0 . 00778_{- 0.00022}^{+ 0.00019}$ $0.00778^{+0.00019}_{-0.00022}$	$0 . 87_{- 0.30}^{+ 0.23}$ $0.87^{+0.23}_{-0.30}$	$2537_{- 72}^{+ 62}$ $2537^{+62}_{-72}$	Step ; l = 1, 2 ; random mean	< 11 100 s	D
	$3589_{- 27}^{+ 27}$ $3589^{+27}_{-27}$	$328 . 5_{- 1.6}^{+ 1.7}$ $328.5^{+1.7}_{-1.6}$	$37_{- 22}^{+ 39}$ $37^{+39}_{-22}$	$0 . 00707_{- 0.00020}^{+ 0.00018}$ $0.00707^{+0.00018}_{-0.00020}$	$1 . 62_{- 0.26}^{+ 0.30}$ $1.62^{+0.30}_{-0.26}$	$2792_{- 71}^{+ 79}$ $2792^{+79}_{-71}$	Step ; l = 1, 2 ; random	all	E

Notes. Parameters derived from the fits of a model of a step-like glitch to the reduced period spacings (cases A and B) and to the reduced periods (cases C, D, and E) of KIC 10553698A (see text for details). The results on the left side of the table show the medians and the 68 percent confidence intervals of the inferred parameters, from left to right, the first of the reduced periods in the range considered, the asymptotic reduced period spacing, the glitch amplitude and position, and the phase. The right side of the table indicates the periodicity of the glitch signature and the choice of model and data.

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