Table 1: Log of the PCA observations. The headers mark the four source states (see text).

Obs	Obs. ID	MJD	Exp.	PCU2	HR
#			(s)	c/s
Low-hard state
0	60705-01-54-00	52 359.64	768	9.0	0.91
1	60705-01-55-00	52 366.60	896	153.2	0.88
2	70109-01-02-00	52 367.76	6784	235.3	0.87
3	70109-01-01-00	52 371.55	1408	483.7	0.85
4	70110-01-01-00	52 373.24	768	604.9	0.84
5	70110-01-02-00	52 374.42	512	633.1	0.85
6	70109-01-03-00	52 377.09	1280	719.1	0.83
7	70110-01-03-00	52 379.13	1536	802.5	0.83
8	70110-01-04-00	52 381.11	1536	868.4	0.82
9	40031-03-01-00	52 382.10	1792	882.9	0.83
10	40031-03-02-00	52 383.09	2048	898.4	0.83
11	40031-03-02-01	52 384.12	3072	917.7	0.83
12	40031-03-02-02	52 384.93	4736	922.5	0.82
13	70110-01-05-00	52 385.46	768	925.3	0.83
14	40031-03-02-03	52 385.92	10496	945.9	0.82
15	40031-03-02-04	52 386.91	3584	952.9	0.82
16	70110-01-06-00	52 387.49	896	931.2	0.82
17	70109-01-04-00	52 387.56	10880	956.0	0.82
18	40031-03-02-05	52 388.06	1664	965.5	0.82
19	40031-03-02-06	52 389.06	1152	968.5	0.82
20	70110-01-07-00	52 390.91	896	977.6	0.82
21	70109-01-05-01	52 391.32	2432	978.3	0.82
22	70109-01-05-00	52 391.38	3072	975.7	0.82
23	70109-01-05-02	52 391.45	2944	987.5	0.82
24	70110-01-08-00	52 394.44	1536	1003.3	0.81
Hard intermediate state
25	70110-01-09-00	52 398.66	1024	1027.3	0.79
26	70109-01-06-00	52 400.83	1920	1038.8	0.75
27	70108-03-01-00	52 400.85	8192	1023.4	0.74
28	70110-01-10-00	52 402.49	1024	1003.0	0.59
29	70109-04-01-00	52 405.58	5888	1136.7	0.37
30	70109-04-01-01	52 405.71	17408	1134.3	0.37
31	70109-04-01-02	52 406.07	1152	1127.3	0.37
32	70110-01-11-00	52 406.70	896	1132.3	0.35
33	70110-01-12-00	52 410.53	1152	1081.7	0.28
Soft intermediate state
34	70109-01-07-00	52 411.60	5376	1102.5	0.24
35	70110-01-13-00	52 412.07	896	1033.4	0.22
36	40031-03-03-00	52 414.05	1024	858.9	0.16
37	40031-03-03-01	52 414.12	640	857.0	0.16
38	40031-03-03-02	52 414.19	384	850.8	0.17
39	40031-03-03-03	52 414.29	1280	852.9	0.17
40	40031-03-03-04	52 414.35	1664	851.1	0.17
41	70110-01-14-00	52 416.60	768	1011.0	0.26
42	70110-01-15-00	52 419.24	896	940.7	0.26
43	70108-03-02-00	52 419.43	10368	827.2	0.22
44	70110-01-16-00	52 423.16	640	605.9	0.13
45	70109-01-08-00	52 424.34	7808	571.7	0.13
46	70110-01-17-00	52 426.65	1024	672.8	0.21
47	70110-01-18-00	52 430.65	896	523.1	0.16
48	70109-01-09-00	52 431.78	2304	522.6	0.16
49	70109-01-09-01	52 431.85	2048	519.4	0.17
50	70109-01-09-02	52 431.92	1536	589.8	0.19
51	70110-01-19-00	52 433.10	1152	518.4	0.15
52	70110-01-20-00	52 437.44	512	636.6	0.21
53	70109-01-10-00	52 438.45	4352	523.4	0.15
54	70109-01-10-01	52 438.77	1024	522.2	0.14
55	70109-01-10-02	52 438.84	1152	529.6	0.14
56	70108-03-03-00	52 439.62	10752	502.1	0.12
57	70110-01-21-00	52 440.51	512	530.4	0.11
58	70109-03-01-00	52 440.75	12416	536.6	0.11
59	70109-03-01-01	52 441.23	5888	510.5	0.11
60	70109-03-01-02	52 441.84	6656	539.2	0.11
61	70110-01-22-00	52 443.44	896	553.6	0.11
62	70110-01-23-00	52 448.34	768	627.5	0.13
63	70109-01-12-00	52 451.58	3072	625.2	0.09
64	70110-01-24-00	52 451.89	896	631.9	0.09
65	70110-01-25-00	52 454.03	768	701.7	0.11
66	70110-01-26-00	52 459.01	768	844.4	0.12
67	70109-01-13-00	52 459.56	8576	833.6	0.13
68	70110-01-27-00	52 461.20	768	855.1	0.13
69	70110-01-28-00	52 464.77	640	1008.4	0.19
70	70109-01-15-00	52 468.31	10240	1018.6	0.13
71	70110-01-29-00	52 468.93	896	1030.0	0.13
72	70110-01-30-00	52 472.95	896	1074.7	0.12
73	70110-01-31-00	52 475.00	768	1078.4	0.12
74	70109-01-16-00	52 479.19	3584	1076.2	0.12
75	70110-01-32-00	52 479.91	640	1092.8	0.12
76	70110-01-33-00	52 483.82	896	1163.2	0.14
77	70110-01-34-00	52 487.06	768	1136.6	0.13
78	70109-01-17-00	52 487.64	2688	1145.9	0.14
79	70109-01-18-00	52 489.01	8832	1110.9	0.14
80	70110-01-35-00	52 490.23	640	1134.8	0.16
81	70110-01-36-00	52 494.11	896	1134.6	0.16
82	70109-01-19-00	52 495.28	7040	1105.7	0.14
83	70110-01-37-00	52 496.09	896	1145.6	0.14
84	70110-01-38-00	52 499.97	1408	1111.5	0.14
85	70109-01-20-00	52 504.72	3328	1086.1	0.15
86	70109-01-20-01	52 504.78	4608	1056.2	0.14
87	70110-01-40-00	52 508.01	896	1105.1	0.16
88	70109-01-21-00	52 509.59	3456	1032.5	0.13
88b	70130-01-01-00	52 510.45	3328	1071.3	0.15
89	70110-01-41-00	52 511.05	896	1036.8	0.13
90	70110-01-42-00	52 514.08	896	1040.1	0.13
91	70110-01-43-00	52 517.86	640	1038.1	0.16
92	70109-01-22-00	52 518.23	3200	1007.2	0.15
93	70110-01-44-00	52 520.83	768	1008.0	0.18
94	70110-01-45-00	52 524.95	1280	1161.3	0.23
95	70110-01-46-00	52 527.85	1024	1102.8	0.22
96	70109-01-23-00	52 529.58	1792	1062.7	0.22
97	70110-01-47-00	52 532.75	1280	1051.8	0.23
98	70110-01-48-00	52 536.11	640	957.7	0.23
99	70109-01-24-00	52 536.36	2816	945.1	0.21
100	70110-01-49-00	52 538.49	896	769.5	0.12
101	70110-01-50-00	52 542.53	896	722.8	0.15
102	70109-01-25-00	52 543.23	4608	701.0	0.13
103	70110-01-51-00	52 545.85	640	702.7	0.16
103b	70130-01-02-00	52 546.51	9344	769.9	0.19
104	70109-01-11-00	52 547.23	3840	687.9	0.16
105	70110-01-52-00	52 550.20	896	627.1	0.11
106	70110-01-53-00	52 553.11	896	584.2	0.11
107	70109-01-14-00	52 555.29	1664	589.1	0.14
108	70110-01-54-00	52 555.80	1024	594.4	0.16
109	70110-01-55-00	52 558.63	1024	564.4	0.15
High/soft sate
110	70109-01-26-00	52 560.41	3200	550.7	0.12
111	70110-01-56-00	52 562.92	896	499.9	0.09
112	70110-01-57-00	52 565.81	1024	497.3	0.10
113	70110-01-58-00	52 569.73	640	476.0	0.13
114	70110-01-59-00	52 574.32	896	445.4	0.11
115	70110-01-60-00	52 577.81	768	433.6	0.10
116	70110-01-61-00	52 579.67	896	423.6	0.10
117	70109-01-11-02	52 579.77	1280	416.4	0.10
118	70109-01-27-00	52 579.84	1664	418.2	0.10
119	70110-01-62-00	52 584.40	768	388.1	0.09
120	70110-01-63-00	52 588.49	768	350.7	0.08
121	70110-01-64-00	52 591.95	896	336.2	0.08
122	70110-01-65-00	52 595.29	1280	332.8	0.07
123	70109-01-28-00	52 595.77	4096	322.5	0.07
124	70110-01-66-00	52 597.33	1024	336.4	0.08
125	70110-01-67-00	52 600.79	640	347.8	0.09
126	70110-01-68-00	52 603.70	768	339.9	0.08
127	70110-01-69-00	52 635.71	896	382.0	0.07
128	70109-01-29-00	52 636.74	2432	383.5	0.07
129	70110-01-70-00	52 640.31	896	375.0	0.07
130	70110-01-71-00	52 642.14	896	371.0	0.07
131	70109-01-30-00	52 647.08	3840	364.1	0.07
132	70110-01-72-00	52 648.27	768	371.2	0.07
133	70110-01-73-00	52 650.14	1024	360.8	0.07
134	70109-01-31-00	52 652.15	4096	348.9	0.07
135	70110-01-74-00	52 654.59	768	340.9	0.07
136	70110-01-75-00	52 657.12	896	348.6	0.09
137	70109-01-32-00	52 658.93	2944	350.0	0.09
138	70110-01-76-00	52 660.64	896	353.4	0.10
139	70110-01-77-00	52 663.47	768	321.4	0.09
140	70109-01-33-00	52 667.02	3456	302.6	0.09
141	70110-01-78-00	52 667.45	640	304.8	0.10
142	70110-01-79-00	52 671.26	768	267.7	0.14
142b	70110-01-80-00	52 675.65	896	204.1	0.12
143b	70109-01-34-01G	52 676.64	1024	177.5	0.10
143	70109-01-34-00	52 676.95	2944	182.1	0.11
143c	70110-01-81-00	52 678.96	896	172.5	0.13
144	70109-01-35-01	52 680.20	1536	152.0	0.11
145	70109-01-35-00	52 680.84	2816	132.5	0.08
145b	70110-01-82-00	52 683.50	896	104.0	0.06
146	70109-01-36-01	52 684.35	1024	102.5	0.07
146b	70110-01-83-00	52 686.25	896	96.6	0.10
147	70109-01-36-00	52 687.69	2432	86.1	0.09
148	70109-01-36-02	52 688.29	1152	82.2	0.08
148b	70110-01-84-00	52 688.89	640	80.7	0.09
148c	70111-01-01-000	52 690.57	15872	71.6	0.08
148d	70111-01-01-00	52 690.84	3328	72.3	0.09
148e	70128-02-01-01	52 690.98	1792	71.2	0.08
148f	70110-01-86-00	52 693.73	896	82.3	0.19
Hard intermediate state
149	70109-01-37-00	52 694.92	3712	87.2	0.22
149b	70128-02-02-00	52 696.36	20608	89.1	0.26
149c	70110-01-85-00	52 697.14	1024	80.8	0.24
149d	70110-01-87-00	52 700.60	1152	67.9	0.23
149e	70110-01-88-00	52 704.02	768	71.4	0.28
149f	50117-01-03-01	52 706.77	2816	78.3	0.36
149g	50117-01-03-00	52 706.84	7808	78.9	0.36
149h	70110-01-89-00	52 707.92	896	72.7	0.26
151	70109-02-01-00	52 709.86	6912	69.4	0.28
150	70109-02-01-01	52 709.99	3584	68.8	0.27
152	60705-01-56-00	52 710.72	2560	74.4	0.30
152b	70110-01-90-00	52 711.51	1024	76.1	0.31
153	70109-02-02-00	52 713.08	6912	64.3	0.24
153b	70110-01-91-00	52 713.48	896	61.3	0.21
153c	50117-01-04-00	52 715.85	17408	52.1	0.14
154	60705-01-57-00	52 716.70	2560	59.0	0.16
154b	70110-01-92-00	52 717.50	1024	60.6	0.18
154c	50117-01-04-01	52 718.08	3456	69.5	0.24
154c2	50117-01-04-02	52 718.17	1280	68.3	0.24
154d	70110-01-93-00	52 719.23	1024	75.5	0.28
154e	70110-01-94-00	52 724.23	896	83.1	0.40
154f	70110-01-95-00	52 727.25	896	81.3	0.49
155	60705-01-59-00	52 731.56	3456	77.7	0.62
155b	70110-01-96-00	52 732.11	896	77.3	0.67
155c	70110-01-97-00	52 734.22	1152	72.7	0.71
156	80116-02-01-00	52 735.64	3584	67.4	0.74
156b	70110-01-98-00	52 737.25	1152	63.7	0.77
157	80116-02-01-02	52 739.58	3840	57.0	0.77
157b	70110-01-01-10	52 740.01	896	56.4	0.79
Low/Hard state
158	80116-02-02-00	52 741.70	6016	51.8	0.79
159	80116-02-02-01	52 742.04	2176	51.2	0.80
158b	70128-02-03-00	52 742.24	14464	49.2	0.80
159b	70128-02-03-01	52 742.61	10496	48.0	0.81
159c	70110-01-02-10	52 743.16	768	47.5	0.81
160	80116-02-02-02	52 743.27	8448	46.7	0.80
161	60705-01-61-00	52 746.97	2816	33.3	0.84
161b	70110-01-03-10	52 747.40	1536	32.5	0.84
162	60705-01-62-00	52 750.36	3456	24.7	0.85
162b	70110-01-04-10	52 751.57	768	22.3	0.85
163	60705-01-63-00	52 756.04	3840	15.3	0.86
162c	70110-01-05-10	52 756.38	768	14.9	0.84
163b	70110-01-06-10	52 760.21	768	12.0	0.84
163c	80102-04-01-00	52 763.34	896	10.2	0.81
164	60705-01-64-00	52 765.64	3072	10.0	0.89