Table 2: List of results for $\log ~g$ and $\textit {T}_{\rm eff}$ of the star HD140283 derived using different techniques.
Study Temperature ${T}_{\rm eff}/\log~{g}$

This work Simultaneous fit 5573/3.1^a

Asplund et al. (2006) Balmer line wing 5753/3.7^b

Ryan et al. (1996b) Photometry 5750/3.4

Alonso et al. (1996) IRFM 5691/4.0^c

**Table 2:** List of results for $\log ~g$ and $\textit {T}_{\rm eff}$ of the star HD140283 derived using different techniques.
Study	Temperature	${T}_{\rm eff}/\log~{g}$
This work	Simultaneous fit	5573/3.1^a
Asplund et al. (2006)	Balmer line wing	5753/3.7^b
Ryan et al. (1996b)	Photometry	5750/3.4
Alonso et al. (1996)	IRFM	5691/4.0^c

^a The uncertainties are 75 K and 0.15 dex respectively; ^b the uncertainties are 30 K and 0.04 dex respectively; ^c the uncertainties are 69 K and 0.5 dex respectively.

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