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Table A.1:

Characteristic parameters of the 2MASS and TCS photometric systems.

2MASS TCS $\Delta(\%)$
$\lambda _{{\rm eff}}$ 12 285 12 790  
${\rm m}_{J}$ -0.001 -0.013  
$\mathcal{F}_{J}$ 3.079 2.912  
$\mathcal{F}_{{\rm eff}}$ 3.076 3.303 $-6.9\%$
$\lambda _{{\rm eff}}$ 16 385 16 483  
${\rm m}_{H}$ +0.019 -0.005  
$\mathcal{F}_{H}$ 1.150 1.192  
$\mathcal{F}_{{\rm eff}}$ 1.170 1.211 $-3.4\%$
$\lambda _{{\rm eff}}$ 21 521 21 869  
mK -0.017 -0.029  
$\mathcal{F}_{K}$ 0.430 0.426  
$\mathcal{F}_{{\rm eff}}$ 0.423 0.439 $-3.6\%$

Notes. Wavelengths are in Å and the Vega's monochromatic absolute fluxes in ${10^{-10}~\rm erg~cm^{-2}~s^{-1}}~\AA^{-1}$. 2MASS effective wavelengths ( $\lambda _{{\rm eff}}$), magnitudes and fluxes are from Casagrande et al. (2006), where the latter has been modified by -1.6, +1.5 and +0.3 percent in J,H and $K_{\rm S}$ band respectively as described in Sect. 3.2. The TCS values are from Alonso et al. (1994b). For the TCS system $\mathcal{F}_{{\rm eff}}$ has been computed by shifting the value at the 2MASS effective wavelength (Fig. A.1). $\Delta(\%)$ is the percent decrease of the TCS $\mathcal{F}_{{\rm eff}}$ needed to match the 2MASS values.


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