**Table 1:** Atmospheric parameters, masses, radii and projected rotational velocities of the programme stars. Line profiles that cannot be matched at all by rotational profiles are marked as peculiar (see text).
WD	White dwarf	$T_{{\rm eff}}$	$\log g$	M	R	Ref.	v $\sin$ i [km s^-1]	v $\sin$ i [km s^-1]
		[K]	[ $\frac {\rm cm}{{\rm s}^2}$ ]	[ $M_{\odot}$ ]	[ $R_{\odot}$ ]		1 $\sigma$	3 $\sigma$
Parameters from spectral analyses:
0220+222	G 94 - B5B	15 840 $\pm$ 364	7.95 $\pm$ 0.07	0.561	0.0131	1	<9	<20
0251-008	LP 591 - 117	7700 $\pm$ 178	8.05 $\pm$ 0.07	0.624	0.0124	8	$\rm 24^{+4}_{-5}$	$\rm 24^{+10}_{-12}$
0518+333	G 86 - B1B	9140 $\pm$ 210	8.30 $\pm$ 0.07	0.767	0.0103	1	<7	<17
0810+234	GD 295 B	15 220 $\pm$ 360	7.99 $\pm$ 0.07	0.579	0.0127	1	<16	<26
0836+201	LB 390	16 630 $\pm$ 382	8.04 $\pm$ 0.07	0.624	0.0129	7	$\rm 66^{+14}_{-14}$	$\rm 66^{+46}_{-59}$
0913+442	G 116 - 16	8750 $\pm$ 201	8.29 $\pm$ 0.07	0.759	0.0103	1	peculiar
0921+354	G 117 - B15A^a	12 830 $\pm$ 295	7.92 $\pm$ 0.07	0.537	0.0133	1	$\rm 36^{+7}_{-5}$	$\rm 36^{+23}_{-17}$
1147+255	LP 375 - 51	10 260 $\pm$ 236	8.12 $\pm$ 0.07	0.651	0.0116	1	$\rm 24^{+7}_{-7}$	$\rm 24^{+19}_{-15}$
1706+332	G 181 - B5B	13 600 $\pm$ 312	7.79 $\pm$ 0.07	0.470	0.0145	1	$\rm 23^{+3}_{-4}$	$\rm 23^{+9}_{-10}$
1716+020	Wolf 672 A	13 620 $\pm$ 313	7.79 $\pm$ 0.07	0.470	0.0145	1	<11	<15
1743-132	G 154 - B5B	13 950 $\pm$ 320	7.71 $\pm$ 0.07	0.431	0.0165	1	$\rm 28^{+3}_{-4}$	$\rm 28^{+8}_{-9}$
2047+809	LP 25 - 436	8840 $\pm$ 203	8.50 $\pm$ 0.07	0.916	0.0087	1	peculiar
2253-081	G 156 - 64	7160 $\pm$ 165	8.43 $\pm$ 0.07	0.857	0.0093	1	$\rm 36^{+15}_{-7}$	$\rm 36^{+27}_{-17}$
2258+406	G 216 - B14B	9860 $\pm$ 226	8.20 $\pm$ 0.07	0.701	0.0110	1	$\rm 20^{+6}_{-5}$	<42
Parameters from photometry and trigonometric parallaxes:
0518+333	G 86 - B1B	7780 $\pm$ 180	7.14 $\pm$ 0.24	0.24	0.022	6	$\rm 10^{+5}_{-9}$	<20
0913+442	G 116 - 16	8490 $\pm$ 220	8.19 $\pm$ 0.17	0.71	0.011	6	peculiar
1147+255	LP 375 - 51	9790 $\pm$ 270	7.92 $\pm$ 0.23	0.55	0.013	6	$\rm 26^{+7}_{-12}$	$\rm 26^{+19}_{-17}$
1716+020	Wolf 672 A	13 470 $\pm$ 900	7.92 $\pm$ 0.23	0.67	0.015	6	<7	<10
2253-081	G 156 - 64	6770 $\pm$ 180	8.41 $\pm$ 0.19	0.86	0.010	6	$\rm 52^{+16}_{-15}$	$\rm 52^{+29}_{-24}$
Parameters from photometry and gravitational redshifts:
0030+444	G 172 - 4	10 440 $\pm$ 240	8.02 $\pm$ 0.07	0.578	0.0123	3	$\rm 27^{+5}_{-4}$	$\rm 27^{+14}_{-12}$
0628-020	LP 600 - 42	9000 $\pm$ 207	7.88 $\pm$ 0.07	0.532	0.0139	2	peculiar
0807+484	LP 163 - 121	7000 $\pm$ 161	8.01 $\pm$ 0.07	0.596	0.0126	2	<18	<53
0906+296	LP 313 - 16	10 000 $\pm$ 230	7.86 $\pm$ 0.07	0.524	0.0141	2	$\rm 41^{+6}_{-5}$	$\rm 41^{+15}_{-13}$
1240+754	G 255 - B18A	12 000 $\pm$ 276	7.96 $\pm$ 0.07	0.553	0.0129	2	$\rm 30^{+7}_{-10}$	<62
1510+566	LP 135 - 154	9280 $\pm$ 213	7.98 $\pm$ 0.07	0.626	0.0134	3	<11	<19
1710+683	LP 70 - 172	6825 $\pm$ 90	7.94 $\pm$ 0.07	0.559	0.0133	4	$\rm 72^{+11}_{-10}$	$\rm 72^{+27}_{-23}$
1211+392	LP 216 - 74	18 800 $\pm$ 1600	7.7 $\pm$ 0.22			5	<18	<53

^a ZZ Ceti star, the inermost line core is not matched well (see text and Fig. 4).
References:
1 - Bergeron et al. (1995a);
2 - Reid (1996);
3 - $T_{{\rm eff}}$ and $\log g$ from Weidemann & Koester (1984) and masses from Reid (1996);
4 - $T_{{\rm eff}}$ derived from photometry and $\log g$ from mass and gravitational redshift (Reid 1996);
5 - Kidder (priv. com.), based on UBV photometry of Kidder et al. (1991);
6 - Bergeron et al. (2001);
7 - Claver et al. (1998);
8 - $T_{{\rm eff}}$ derived from the H $_\alpha$ line profile and $\log g$ from mass and redshift (Reid 1996).

Source LaTeX | All tables | In the text

	1 Introduction
	2 Atmospheric parameters and stellar masses
	3 Model atmospheres and spectral analysis
	4 Projected rotational velocities
	5 Discussion
	References