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)

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)

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)

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	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)

This list is incomplete; you can help by expanding it.

Observations of Accreting Pulsars, Bildsten, L., et al., 1997, Astrophysical Journal Supplement Series, 113, p. 367

Neutron star

Types	Radio-quiet Pulsar

Single pulsars	Magnetar Soft gamma repeater Anomalous X-ray Rotating radio transient

Binary pulsars	Binary X-ray X-ray binary X-ray burster List Millisecond Be/X-ray Spin-up

Properties	Blitzar Fast radio burst Bondi accretion Gamma-ray burst Glitch Neutronium Neutron-star oscillation Optical Pulsar kick Quasi-periodic oscillation Relativistic Rp-process Starquake Timing noise Tolman–Oppenheimer–Volkoff limit Urca process

Related	Compact star Quark star Exotic star Supernova Supernova remnant Related links Hypernova Quark-nova White dwarf Related links Stellar black hole Related links Radio star Pulsar planet Pulsar wind nebula Thorne–Żytkow object

Discovery	LGM-1 Centaurus X-3 Timeline of white dwarfs, neutron stars, and supernovae

Satellite investigation	Rossi X-ray Timing Explorer Fermi Gamma-ray Space Telescope Compton Gamma Ray Observatory Chandra X-ray Observatory

Other	X-ray pulsar-based navigation Tempo software program Astropulse The Magnificent Seven

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