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Table 2
Comparison of SAX J2239.3 + 6116 with other Be/X-ray binaries.
| X-ray | Optical | Spectral | Disk-loss | Porb | Inclination | vsini | Reference |
| source | counterpart | type | episodes | (days) | angle (°) | (km s-1) | |
|
|
|||||||
| SAX J2239.3 + 6116 | – | B0V | no | 262.6 | 25–35 | 195±20 | This work |
| 4U 0115+634 | V635 Cas | B0.2V | yes | 24.3 | 43 | 300±50 | 1 |
| RX J0146.9+6121 | LS I +61 235 | B1V | no | – | – | 200±30 | 2 |
| V 0332+53 | BQ Cam | O8-9V | no | 34.2 | <10 | <150 | 3 |
| X Per | HD 24534 | O9.5III | yes | 250 | 23–30 | 215±10 | 4, 5 |
| RX J0440.9+4431 | LS V +44 17 | B1III-V | yes | 150 | – | 235±15 | 6, 7 |
| 1A 0535+262 | HD 245770 | O9.7III | yes | 111 | 28–35 | 225±10 | 8, 9 |
| IGR J06074+2205 | – | B0.5IV | yes | – | – | 260±20 | 10 |
| RX J0812.4-3114 | LS 992 | B0.5III-V | yes | 81.3 | – | 240±20 | 11 |
| 1A 1118-615 | Hen 3-640 | O9.5IV | no | 24 | 15 | ~300 | 12, 13 |
| 4U 1145-619 | V801 Cen | B0.2III | no | 187 | <45 | 250±30 | 14, 15 |
| 4U 1258-61 | V850 Cen | B2V | yes | 132 | shell† | <600 | 16 |
| SAX J2103.5+4545 | – | B0V | yes | 12.7 | – | 240±20 | 17 |
| IGR J21343+4738 | – | B1IV | yes | – | shell† | 365±15 | 18 |
Notes. †: Shell stars are believed to be equator-on systems, i.e. i ~ 90°.
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