List of X-ray pulsars

This is a partial list of known accretion-powered pulsars, as of 1997.

LMXB
Low-mass binaries Spin period (sec) Orbital period (days) Companion (MK type)
GRO J1744-28 0.467 11.8 unknown
4U 1626-67 7.66 0.0289 KZ TrA (low-mass dwarf)
4U 1728-247 (GX 1+4) 120 unknown V2116 Oph (M6 III)

IMXB
Intermediate-mass binaries Spin period (sec) Orbital period (days) Companion (MK type)
Hercules X-1 (Her X-1) 1.24 1.7 HZ Her (A9-B)

HMXB
High-mass binaries Spin period (sec) Orbital period (days) Companion (MK type)
SMC X-1 0.717 3.89 Sk 160 (B0 I)
Centaurus X-3 (Cen X-3) 4.82 2.09 V779 Cen (O6-8f)
RX J0648.1-4419 13.2 1.54 HD 49798 (O6p)
LMC X-4 13.5 1.41 Sk-Ph (O7 III-V)
OAO 1657-415 37.7 10.4 (B0-6 Iab)
Vela X-1 283 8.96 HD 77581 (B0.5 Ib)
1E 1145.1-6141 297 unknown V830 Cen (B2 Iae)
4U 1907+09 438 8.38 (B I)
4U 1538-52 530 3.73 QV Nor (B0 Iab)
GX 301-2 681 41.5 Way 977BI.5 Ia)

BeXB
Transient Be star binary systems Spin period (sec) Orbital period (days) Companion (MK type)
A0538-67 0.069 16.7 (B2 III-IVe)
4U 0115+63 3.61 24.3 V635 Cas (Be)
V0332+53 4.37 34.2 BQ Cam (Be)
2S 1417-624 17.6 42.1 (OBe)
EXO 2030+375 41.7 46.0 (Be)
GRO J1008-57[1] 93.5 ~248 (Be)
A0535+26 105 110 HDE 245770 (09.7 IIe)
GX 304-1 272 133(?) V850 Cen (B2 Vne)
4U 1145-619 292 187 Hen 715 (BI Vne)
A1118-616 405 unknown He 3-640 (O9.5 III-Ve)
4U 0352+309 835 unknown X Per (O9 III-Ve)
RX J0146.9+6121 1413 unknown LS I+61 235 (B5 IIIe)
RX J0209.6-7427[2] 9.28 unknown (Be)
This list is incomplete; you can help by adding missing items with reliable sources.

See also

References
  1. "Strongest magnetic field in universe directly detected by X-ray space observatory". phys.org.
  2. "Ultra-bright X-ray source awakens near a galaxy not so far away". ras.ac.uk.
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