Benchmarking the effective temperature scale of red giant branch stellar models: The case of the metal-poor halo giant HD 122563

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Volume 689 (September 2024)

A&A, 689 (2024) A243

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Table 2.

Fundamental parameters of HD 122563 (Gaia DR3 3723554268436602240).

Property	Creevey et al. (2012)		K20+S23
F_bol [erg s⁻¹ cm⁻²]	13.16 ± 0.36e−8		13.23 ± 0.24e−8
θ [mas]	0.940 ± 0.011		0.925 ± 0.011
T_eff [K]	4598 ± 41		4642 ± 35
π [mas]	3.099±0.033

	Seismology	Gaia DR3 parallax	Seismology	Gaia DR3 parallax

L [L_⊙]	$359_{- 25}^{+ 26}$ $359^{+26}_{-25}$	$428_{- 14}^{+ 15}$ $428^{+15}_{-14}$	$370_{- 26}^{+ 26}$ $370^{+26}_{-26}$	$431_{- 12}^{+ 12}$ $431^{+12}_{-12}$
R [R_⊙]	29.8 ± 1.0	32.6 ± 0.5	29.8 ± 1.0	32.1 ± 0.5
log g [dex]	1.392 ± 0.007	1.32 ± 0.03	1.394 ± 0.007	1.33 ± 0.03
d [pc]	295 ± 10	322.7±3.5	300±10	–

[Fe/H]_spec [dex]	−2.43 ± 0.15
[Fe/H]_phot [dex]	−2.30 ± 0.15
α/Fe [dex]	+0.4 ± 0.1

Notes. The top panel shows the existing literature data while the middle and lower panels show the results from this work.

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