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Table 1

Standard star properties for visibility and flux.

Calibrator θUD (mas) [L] FL (Jy) FN (Jy) Sp. type Flux calibration
HD 47156 1.096 ± 0.108 13.7 ± 2.2 2.6 ± 0.8 K0
HD 184574 0.851 ± 0.076 11.0 ± 1.5 1.4 ± 0.4 K0 III
HD 189533 0.913 ± 0.087 11.2 ± 2.6 1.5 ± 0.4 G8 II
HD 188390 1.064 ± 0.102 11.7 ± 4.2 1.5 ± 0.4 K3/4III
α Char 0.938 ± 0.095 19.5 ± 1.0 3.1 ± 0.5 F5 V
HD 189695 2.014 ± 0.159 38.5 ± 5.4 5.8 ± 1.6 K5 III Cohen et al. (1999)
30 Gem 2.082 ± 0.194 56.5 ± 3.4 8.5 ± 0.7 K0 III Cohen et al. (1999)
18 Mon 2.075 ± 0.165 46.8 ± 9.4 7.0 ± 2.1 K0 III Cohen et al. (1999)
87 Gem 1.977 ± 0.175 36.1 ± 1.4 5.6 ± 1.9 K5 III Cohen et al. (1999)
HD 183925 1.449 ± 0.128 30.4 ± 8.7 3.3 ± 1.1 K5 III ATLAS9, Teff = 4115−125+113$\[4115_{-125}^{+113}\]$
HD 101162 0.913 ± 0.083 11.2 ± 0.5 1.5 ± 0.4 K0 III ATLAS9, Teff = 4811−3+4.5$\[4811_{-3}^{+4.5}\]$
HD 59219 1.410 ± 0.119 23.6 ± 0.9 3.5 ± 0.9 K0 III ATLAS9, Teff = 4834−113+78$\[4834_{-113}^{+78}\]$

Notes. θUD is the UD angular diameter in the L band from the JSDC V2 catalog (Bourgés et al. 2014). FL and FN are the flux in the L and N bands from the mid-IR stellar diameter and flux compilation catalog (MDFC, Cruzalèbes et al. 2019). Templates for the flux calibration are either from Cohen et al. (1999) or constructed from ATLAS9 atmosphere models with an effective temperature as measured by Gaia (see Sect. 4).

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