List of Be X-ray Binaries
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The table below includes information from Raguzova & Popov (2005)[1] (updated version)[2] and other sources. The status as Transient or Persistent is marked. Sources with known Cyclotron Resonance Scattering Features (CRSF) are marked in the Notes.
| Source | l | b | Pspin [s] | Porbital [d] | e | Optical | Spec Type | V | Notes | |
|---|---|---|---|---|---|---|---|---|---|---|
| XTE J1946+274 | 63.21 | +1.40 | 15.8 | 169.2 | 0.33 | B0-2 IV-Ve | 16.8 | T | CRSF | |
| KS 1947+300 | 66.10 | +2.08 | 18.8 | 40.4 | 0.03 | B0 Ve | 14.2 | T | ||
| EXO 2030+375 | 77.15 | -1.24 | 41.8 | 46.03 | 0.41 | V2246 Cyg | B0 Ve | 19.7 | T | very regular outbursts |
| SAX J2103.5+4545 | 87.12 | +0.68 | 359 | 12.7 | 0.4 | B0 Ve | 14.2 | T | ||
| IGR J21343+4738 | 92.17 | -3.12 | 320.35 | USNO-B1.0 1376-00511904 | B1IVe | 14.1 | P | |||
| Cep X-4 | 99.01 | +3.31 | 66.3 | 23.85 | B1-B2 Ve | 14.2 | T | CRSF, a.k.a. GS 2138+56 | ||
| 1RXS J225352.8+624354 | 109.92 | +2.87 | ~47 | 2MASS 22535512+6243368 | B0-1III-Ve | 15.8 | P | low-luminosity, possibly same as IGR J22534+6243 | ||
| 4U 0115+634 | 125.92 | +1.03 | 3.6 | 24.3 | 0.34 | V635 Cas | B0.2 Ve | 14.8-15.5 | T | CRSF |
| IGR J01583+6713 | 129.35 | +5.19 | 469? | B2 IVe | 14.4 | T | ||||
| RX J0146.9+6121 | 129.54 | -0.80 | 1412 | 330? | LS I +61 235 | B1 Ve | 11.2 | T | a.k.a. V* V831 Cas | |
| V 0332+53 | 146.05 | -2.19 | 4.37 | 34.25 | 0.3 | BQ Cam | O8-9 Ve | 15.1-15.8 | T | CRSF |
| RX J0440.9+4431 | 159.9 | -1.27 | 205 | 155 | LS V +44 17 | B0.2 Ve | 10.8 | P | CRSF | |
| X Per | 163.1 | -17.1 | 837 | 250.3 | 0.11 | HD 24534 | O9.5IIIe-B0Ve | 6.1-6.8 | P | CRSF |
| A0535+26 | 181.5 | -2.64 | 103 | 111.1 | 0.47 | V725 Tau | B0 IIIe | 8.9-9.6 | T | CRSF |
| SAX J0635.2+0533 | 206.15 | -1.04 | 0.034 | B1IIIe-B2Ve | 12.8 | T | low luminosity | |||
| MXB 0656-07 | 220.13 | -1.77 | 160.4 | O9.7 Ve | 12.1 | T | CRSF, a.k.a XTE J0658-073 | |||
| 3A 0726-260 | 240.3 | -4.05 | 103.2 | 34.5 | V441 Pup | O8-9Ve | 11.6 | T | ||
| RX J0812.4-3114 | 249.6 | +1.54 | 31.9 | 80 | LS 992 | B0.2 III-IVe | 12.4 | T | ||
| GS 0834-430 | 262.0 | -1.51 | 12.3 | 105.8 | 0.12 | B0-2 III-Ve | 20.4 | T | ||
| LXP 169 | 279.2 | -34.5 | 168.8 | 24.3 | OGLE: lmc.118.4.46009 | O9V-O9.5V | 15 | ? | NS eclipsing companion | |
| GRO J1008-57 | 283.0 | -1.83 | 93.7 | 249.48 | 0.68 | B0e | 15.3 | T | CRSF | |
| 4U 1036-56 | 285.36 | +1.43 | 862 | 60.9 | LS 1698 | B0 III-Ve | 11.3 | P | a.k.a. RX J1037.5-564/LS 1698 | |
| 1A 1118-616 | 292.5 | -0.89 | 407 | 24? | O9.5 III-Ve | 12.1 | T | CRSF | ||
| 4U 1145-619 | 295.6 | -0.24 | 292 | 187.5 | >0.5 | V801 Cen | B1 Vne | 9.3 | T | |
| SXP 265 | 299.2 | -42.4 | 264.52 | ~146 | B1-2II-IVe | 15.1 | P | SMC region, persistent low luminosity, one type I outburst | ||
| RX J0101.8-7223 | 301.8 | -44.7 | 175 | [MA93] 1288 | T | in SMC, ATel #3311 | ||||
| GX 304-1 | 304.1 | +1.25 | 272 | 132.2 | >0.5 | V850 Cen | B2 Vne | 13.5 | T | |
| 2S 1417-624 | 313.0 | -0.16 | 17.6 | 42.12 | 0.45 | B1 Ve | 17.2 | T | ||
| Swift J1626.6-5156 | 332.8 | -2.00 | 15.4 | 132.9 | B0-2Ve | ? | T | strong flares, unusual BeXRB |