The double degenerate LP 400-22 revisited | Astronomy & Astrophysics (A&A)

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Table 3:

Revised white dwarf parameters.
Parameter	Measurement	Refs.^a
$T_{\rm eff}$	$11080\pm140$ K	1
	$11290\pm50$ K	2
	$11140\pm90$ K	3
$\langle T_{\rm eff}\rangle$	$11170\pm90$ K	3
$\log{g}$	$6.32\pm0.08$ (cgs)	1
	$6.30\pm0.02$ (cgs)	2
	$6.42\pm0.06$ (cgs)	3
$\langle\log{g}\rangle$	$6.35\pm0.05$ (cgs)	3
M^b	$0.190\pm0.004~M_\odot$	3
Cooling age	$1.83\pm0.17$ Gyr	3
M_V	$8.98\pm0.12$ mag	3
distance	$444\pm30$ pc	3
(U, V, W)	$(-405\pm47,-204\pm13,-30\pm26)$ km s^-1	3

^a References: (1) Kawka et al. (2006); (2) Kilic et al. (2009); (3) This work. ^b Mass based on Z=0.001 models (Serenelli et al. 2002).

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