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
  1. Cite error: Invalid <ref> tag; no text was provided for refs named RaguzovaPopov05
  2. Cite error: Invalid <ref> tag; no text was provided for refs named Reig2011a