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Table 3
Stellar parameters of HD 219134.
Parameter | Value | Ref. |
---|---|---|
Coordinates and photometry | ||
RA (J2000) | 23h 13m16s.97 | Gaia DR2(1) |
Dec (J2000) | +57°10′06′′.08 | Gaia DR2(1) |
π [mas] | 153.081 ± 0.0895 | Gaia DR2(1) |
d[pc] | 6.533 ± 0.038 | Gaia DR2(1),(a) |
V [mag] | 5.570 ± 0.009 | CDS(2) |
K [mag] | 3.25 ± 0.01 | CDS(2) |
L⋆ [L⊙ ] | 0.30 | Gaia DR2(1) |
Interferometric parameters | ||
θUD [mas] | 0.980 ± 0.020 (2%) | This work, Sect. 2.2 |
uλ | 0.588 | This work (b), Sect. 2.2 |
θLD [mas] | 1.035 ± 0.021 (2%) | This work, Sect. 2.2 |
Fixed parameters | ||
Av [mag] | 0.0 ± 0.01 | This work, Sect. 3.2 |
[Fe∕H] | 0.07 ± 0.1 | SIMBAD(c), Sect. 2.2 |
log (g) [cm s2 ] | 4.57 ± 0.14 | SIMBAD (c), Sect. 2.2 |
Fitted parameters | ||
Teff, SED [K] | 4839 ± 25 | This work, Sect. 3.2 |
θSED [mas] | 1.043 ± 0.013 | This work, Sect. 3.2 |
Fbol [erg s cm−2 × 108 ] | 19.86 ± 0.21 | This work, Sect. 3.2 |
Measured and computed parameters | ||
Teff [K] | 4858 ± 50 | This work, Sect. 3.2 |
R⋆ [R⊙ ] | 0.726 ± 0.014 | This work, Sect. 3.1 |
L⋆ [L⊙ ] | 0.264 ± 0.004 | This work, Sect. 3.2 |
ρ⋆ [ρ⊙ ] | 1.82 ± 0.19 | This work, Sect. 3.1 |
M⋆ [M⊙ ] | 0.696 ± 0.078 | This work (d), Sect. 3.1 |
Mgrav,⋆ [M⊙ ] | 0.72 ± 0.23 | This work (e), Sect. 3.1 |
Corr(R⋆,M⋆) | 0.46 | This work, Sect. 3.1 |
Stellar model inferences with C2kSMO | ||
R⋆ [R⊙ ] | 0.727 ± 0.017 | This work, Sect. 3.3 |
M⋆ [M⊙ ] | 0.755 ± 0.040 | This work, Sect. 3.3 |
ρ⋆ [ρ⊙ ] | 1.96 ± 0.22 | This work, Sect. 3.3 |
Age⋆ [Gyr] | 9.3 | This work, Sect. 3.3 |
Notes. (a) From π. (b) Computed from Claret & Bloemen (2011) tables. (c)Averaged from the values available in the SIMBAD database (Wenger et al. 2000); see text for details. (d) From ρ⋆ and R⋆ ; (e) from log (g).
References. (1) Gaia Collaboration (2018); (2)Oja (1993).
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