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

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Table 1:

Summary of the results obtained for the entire population of microlenses towards the LMC for several magnitude cuts when the results of the MACHO collaboration are simulated.
	Model A				Model B				Model C
Magnitude	17.5	22.5	27.5	32.5	17.5	22.5	27.5	32.5	17.5	22.5	27.5	32.5
$\langle N_{\rm WD}\rangle$	$0\pm1$	$0\pm1$	$0\pm1$	$0\pm1$	$0\pm1$	$0\pm1$	$0\pm1$	$0\pm1$	$0\pm1$	$0\pm1$	$0\pm1$	$0\pm1$
$\langle N_{\rm RD}\rangle$	$0\pm1$	$0\pm1$	$0\pm1$	$0\pm1$	$0\pm1$	$0\pm1$	$0\pm1$	$0\pm1$	$0\pm1$	$0\pm1$	$0\pm1$	$0\pm1$
$\langle m_{\rm WD}\rangle$ $(M/M_{\hbox{$\odot$ }})$	0.599	0.605	0.627	0.721	0.604	0.602	0.627	0.661	0.600	0.605	0.619	0.678
$\langle m_{\rm RD}\rangle$ $(M/M_{\hbox{$\odot$ }})$	0.325	0.233	0.109	0.081	0.319	0.227	0.118	0.080	0.315	0.227	0.124	0.079
$\langle\eta\rangle$	0.204	0.227	0.323	0.837	0.810	0.834	0.927	0.993	0.780	0.828	0.913	0.987
$\langle\mu\rangle\;(''~{\rm yr}^{-1})$	0.020	0.014	0.010	0.009	0.021	0.016	0.015	0.014	0.021	0.014	0.012	0.016
$\langle d\rangle$ (kpc)	2.54	3.62	5.28	5.26	2.29	3.28	3.49	3.88	2.37	3.71	4.09	3.02
$\langle V_{\rm tan} \rangle\;({\rm km~s}^{-1})$	243	247	253	244	239	244	252	260	239	252	241	238
$\langle\hat{t}_{\rm E}\rangle$ (d)	41.3	49.6	59.0	60.7	39.1	45.3	47.7	60.9	40.1	45.6	52.1	65.5
$\langle\tau/\tau_0\rangle$	0.331	0.271	0.194	0.098	0.316	0.257	0.179	0.109	0.321	0.266	0.174	0.115

Notes. An age of the halo of 14 Gyr has been adopted.

Source LaTeX | All tables | In the text

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