Table A.4: Times of primary (P) and secondary (S) minima of SW CMa. O-C values are calculated for the apsidal motion ephemeris given in Table 4. Times given in brackets have not been used for the ephemeris determination.

HJD	rms	Type	O-C	Reference
- 2 400 000
25 646.489	0.010	P	-0.087	W52
25 969.426	0.010	P	-0.094	-
25 969.469	0.010	P	-0.051	-
26 393.319	0.010	P	-0.064	-
26 393.404	0.010	P	0.021	-
27 160.327	0.010	P	-0.047	-
28 250.320	0.010	P	0.012	-
37 696.372	0.010	P	-0.032	Z65
38 372.541	0.010	P	-0.026	-
38 463.330	0.010	P	-0.065	-
46 829.6482	0.0003	P	-0.0008	This paper
46 839.7405	0.0008	P	-0.0005	-
48 272.8031	0.0003	P	0.0005	-
49 352.6453	0.0004	P	0.0005	LF94
52 309.5963	0.0002	P	0.0005	This paper
54 075.6924	0.0002	P	-0.0005	-
25 619.400	0.010	S	-0.035	W52
26 628.566	0.010	S	-0.067	F37
26 709.324	0.010	S	-0.044	F37
27 123.080	0.010	S	-0.060	F37
(27 133.308)	0.010	S	0.077	W52
(27 780.015)	0.010	?	0.897	F37
27 890.090	0.010	S	-0.040	-
28 162.530	0.010	S	-0.083	W52
28 495.601	0.010	S	-0.047	-
30 433.316	0.010	S	0.008	-
34 066.378	0.010	S	-0.042	-
36 599.438	0.010	S	-0.068	Z65
(37 366.328)	0.010	S	-0.168	-
46 832.7710	0.0010	S	0.0001	This paper
47 579.5765	0.0004	S	-0.0007	-
47 589.6690	0.0004	S	-0.0002	-
48 164.905	0.003	S	-0.007	H00
48 265.8327	0.0010	S	0.0011	This paper
49 345.6754	0.0006	S	0.0022	LF94
52 302.6227	0.0002	S	0.0001	This paper
53 644.8536	0.0007	S	-0.0020	-

References are: F37 = Florja (1937). H00 = Hipparcos 2000, unpublished. LF94 = Lacy & Fox (1994). W52 = Wenzel (1952); photographic observations (rms of has been estimated). Z65 = Ziegler (1965); photographic observations (rms of has been estimated).