TIC 43152097 The first eclipsing binary in NGC 2232

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Volume 677 (September 2023)

A&A, 677 (2023) A154

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Table 2.

Best-fit parameters from the model solution of the KSPSAP TESS light curve of TIC 43152097 in 2020.

Parameter	Best-fit value
(units)
BJD₀^(a)	2225.641 ± 0.001
P_orb (d)	3.718265 ± 0.000007
e	0
ω (°)	...
i (°)
r₁	0.0894 ± 0.0006
r₂	0.0706 ± 0.0004
T₁^(b) (K)	6070 ± 70
T₂ (K)	4130 ± 30
a₁, b₁^(c)	0.3276, 0.2297
a₂, b₂	0.3955, 0.2618
J^(d)	0.194

Notes.

^(a)

Barycentric Julian date (BJD-2 457 000) of the primary minimum; the subscripts 1 and 2 refer to the primary (more massive) and secondary component, respectively.

^(b)

T₁ fixed based on spectral analysis.

^(c)

Quadratic limb-darkening coefficients.

^(d)

Surface brightness ratio J = F₂/F₁ calculated in the TESS passband from BT-Settl models.

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