No planet around the K giant star 42 Draconis | Astronomy & Astrophysics (A&A)

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Table 1

Stellar Parameters for 42 Dra.

Parameter	Value
mag_B¹	6.005 ± 0.014 mag
mag_V²	4.823 ± 0.009 mag
parallax³	11.056 ± 0.0841 mas
[Fe/H]⁴	−0.4326 ± 0.01 dex
E(B-V)⁵	0.05 ± 0.01 mag
A_V⁶	0.17 ± 0.01 mag

M	1.07 ± 0.01 M_⊙
R	${19.17}_{- 0.17}^{+ 0.3}$ $\[19.17_{-0.17}^{+0.3}\]$ R_⊙
log g	1.9 ± 0.02 cm/s²
log(τ[yr])	9.81 ± 0.04
L	${129.26}_{- 1.05}^{+ 1.77}$ $\[129.26_{-1.05}^{+1.77}\]$ L_⊙
T	${4449.08}_{- 16.72}^{+ 11.40}$ $\[4449.08_{-16.72}^{+11.40}\]$ K

Notes. The input values for SPOG+ (above the line) are taken from (1, 2) Høg et al. (2000), (3) Gaia Collaboration (2021), (4) Abdurro’uf et al. (2022), (5, 6) Gontcharov & Mosenkov (2017). Those parameters derived with SPOG+ are listed below the line.

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