White dwarfs with hydrogen-deficient atmospheres and the dark matter content of the Galaxy

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Table 3:

Summary of the results obtained for the thick disk population of microlenses towards the LMC for the MACHO experiment with a thick disk age of 12 Gyr and several magnitude cuts.
	Canonical thick disk				Metal-weak thick disk
Magnitude	17.5	22.5	27.5	30.0	17.5	22.5	27.5	30.0
$\langle N_{\rm WD}\rangle$	$0\pm1$	$0\pm1$	$0\pm1$	$0\pm1$	$0\pm1$	$0\pm1$	$0\pm1$	$0\pm1$
$\langle N_{\rm RD}\rangle$	$0\pm1$	$0\pm1$	$0\pm1$	$0\pm1$	$0\pm1$	$0\pm1$	$0\pm1$	$0\pm1$
$\langle m_{\rm WD}\rangle$ $(M/M_{\hbox{$\odot$ }})$	0.616	0.615	0.588	0.593	0.617	0.613	0.650	0.709
$\langle m_{\rm RD}\rangle$ $(M/M_{\hbox{$\odot$ }})$	0.371	0.221	0.111	0.085	0.384	0.269	0.091	0.079
$\langle\eta\rangle$	0.348	0.348	0.443	0.999	0.431	0.452	0.947	0.999
$\langle\mu\rangle\;(''~{\rm yr}^{-1})$	0.005	0.004	0.003	0.002	0.009	0.008	0.007	0.001
$\langle d\rangle$ (kpc)	3.42	4.07	5.11	5.17	1.75	2.04	2.29	1.39
$\langle V_{\rm tan} \rangle\;({\rm km~s}^{-1})$	82	84	78	82	79	84	77	69
$\langle\hat{t}_{\rm E}\rangle$ (d)	156	173	204	186	125	122	136	121
$\langle\tau/\tau_0\rangle$	0.462	0.274	0.137	0.012	0.257	0.203	0.050	0.020

Source LaTeX | All tables | In the text

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