The CHEOPS view of HD 95338b: Refined transit parameters, and a search for exomoons

Open Access

Table 2

Parameters obtained from the transit modelling of HD 95338b.

Parameter	Prior	CHEOPS	CHEOPS + TESS (global)	Díaz et al. (2020)	Saha (2025)
a/R_⋆	[1.0, 133.0]	67.19 ± 0.40	67.34 ± 0.40	${64.676}_{- 0.384}^{+ 0.381}$ $\[64.676_{-0.384}^{+0.381}\]$	${69.1}_{- 2.3}^{+ 1.8}$ $\[69.1_{-2.3}^{+1.8}\]$
R_p/R_⋆	[0, 0.2]	0.04423 ± 0.00027	0.04413 ± 0.00026	0.0409 ± 0.0028	${0.04369}_{- 0.00041}^{+ 0.00049}$ $\[0.04369_{-0.00041}^{+0.00049}\]$
b′	[0, 1.0]	0.373 ± 0.018	0.370 ± 0.016	${0.430}_{- 0.113}^{+ 0.070}$ $\[0.430_{-0.113}^{+0.070}\]$	${0.25}_{- 0.15}^{+ 0.11}$ $\[0.25_{-0.15}^{+0.11}\]$
T₀ (BJD – 245 700)	[2300.35, 2302.35]	2301.35590 ± 0.00033	1585.28087 ± 0.00050 ^a	1585.2795 ± 0.0006	${1585.28072}_{- 0.00054}^{+ 0.00055}$ $\[1585.28072_{-0.00054}^{+0.00055}\]$
P (days)	[54.056, 56.056]	55.082697 ± 0.000020	55.082694 ± 0.000018	55.087 ± 0.020	55.082695 ± 0.000027
$σ_{r}^{CHEOPS}$ $\[\sigma_{r}^{\text {CHEOPS}}\]$	[0, 0.1]	0.00552 ± 0.00019	0.00553 ± 0.00019	−	−
$σ_{w}^{CHEOPS}$ $\[\sigma_{w}^{\text {CHEOPS}}\]$	[0, 0.1]	0.0002265 ± 0.0000015	0.000226 ± 0.0000015	−	−
$σ_{r}^{TESS}$ $\[\sigma_{r}^{\text {TESS}}\]$	[0, 0.1]	−	0.0068 ± 0.00028	−	−
$σ_{w}^{TESS}$ $\[\sigma_{w}^{\text {TESS}}\]$	[0, 0.1]	−	0.0003727 ± 0.0000050	−	−
A^CHEOPS	[−1.5, 2.5]	1.51 ± 0.24	1.47 ± 0.22	−	1.2 ± 2.1
B^CHEOPS	[−2.0, 2.0]	1.747 ± 0.062	1.747 ± 0.061	−	1.1 ± 2.0
A^TESS	[−1.5, 2.5]	−	0.53 ± 0.18	0.73 ± 0.59	1.2 ± 2.3
B^TESS	[−2.0, 2.0]	−	1.44 ± 0.15	1.467 ± 0.25	1.1 ± 2.3

Notes. ^(a)Uniform prior applied: [1585.2790, 1585.2800].

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