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Table 3
Results from the variability analysis.
| Source | EW(Hα) | F V | ||||||||
| rms (%) |  (%) |
F-value | p-value | N | rms (%) | (%) |
F-value | p-value | N | |
|
|
||||||||||
| 2S 0114+65 | 22 | 28 | 2.6 | 2.2 × 10-4 | 57 | – | 4 | 0.2 | 9.9 × 10-1 | 11 |
| 4U 0115+63 | 91 | 92 | 29.4 | 4.4 × 10-49 | 106 | 20 | 21 | 11.6 | 1.0 × 10-8 | 27 |
| IGR J01363+6610 | 6 | 6 | 7.8 | 1.5 × 10-10 | 45 | – | 5 | 1.0 | 5.1 × 10-1 | 17 |
| IGR J01583+6713 | 3 | 3 | 4.0 | 1.0 × 10-4 | 32 | – | 3 | 0.3 | 9.9 × 10-1 | 17 |
| RX J0146.9+6121 | 39 | 39 | 47.5 | 1.7 × 10-59 | 106 | – | 4 | 0.3 | 9.9 × 10-1 | 26 |
| RX J0240.4+6112 | 14 | 15 | 3.9 | 2.7 × 10-8 | 71 | – | 4 | 0.3 | 9.6 × 10-1 | 11 |
| V 0332+53 | 19 | 21 | 6.3 | 2.9 × 10-10 | 53 | 8 | 9 | 5.1 | 1.6 × 10-2 | 9 |
| X Per | 70 | 70 | 270.0 | 8.9 × 10-71 | 76 | – | – | – | – | – |
| RX J0440.9+4431 | 48 | 48 | 51.0 | 2.6 × 10-37 | 65 | 7 | 9 | 3.3 | 1.6 × 10-2 | 15 |
| 1A 0535+262 | 55 | 55 | 144.7 | 2.3 × 10-69 | 87 | 5 | 11 | 1.3 | 3.7 × 10-1 | 9 |
| IGR J06074+2205 | 94 | 94 | 191.4 | 2.3 × 10-31 | 36 | 4 | 11 | 1.2 | 4.5 × 10-1 | 5 |
| AX J1845.0-0433 | 7 | 17 | 1.2 | 3.0 × 10-1 | 29 | – | 3 | 0.3 | 9.5 × 10-1 | 11 |
| 4U 1907+09 | 13 | 21 | 1.7 | 2.9 × 10-2 | 48 | – | 4 | 0.6 | 8.6 × 10-1 | 14 |
| XTE J1946+274 | 8 | 10 | 2.8 | 5.6 × 10-3 | 26 | – | 6 | 0.6 | 7.3 × 10-1 | 8 |
| KS 1947+300 | 5 | 8 | 1.8 | 2.4 × 10-2 | 51 | – | 2 | 0.1 | 9.9 × 10-1 | 18 |
| GRO J2058+42 | 53 | 54 | 15.5 | 3.1 × 10-20 | 57 | 5 | 7 | 2.3 | 3.3 × 10-2 | 21 |
| SAX J2103.5+4545 | 370 | 380 | 22.0 | 3.3 × 10-31 | 75 | 18 | 19 | 15.0 | 1.0 × 10-6 | 17 |
| IGR J21343+4738 | 763 | 757 | 67.0 | 2.8 × 10-17 | 26 | 6 | 7 | 2.4 | 1.8 × 10-1 | 6 |
| 4U 2206+54 | 29 | 33 | 4.0 | 1.3 × 10-10 | 90 | – | 4 | 0.2 | 9.9 × 10-1 | 28 |
| SAX J2239.3+6116 | 35 | 36 | 15.8 | 1.5 × 10-10 | 28 | – | 7 | 0.7 | 6.5 × 10-1 | 7 |
Notes. The smaller the p-value, the more variable the system is.
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