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A Partial List of Known Accretion-Powered Pulsars (as of 1997)
| Low-Mass Binaries |
Spin Period (sec) |
Orbital Period (days) |
Companion (MK Type) |
| GRO J1746-28 |
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 |
Wray 977 (BI.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) |
[edit] References
1. Observations of Accreting Pulsars, Bildsten, L., et al., 1997, Astrophysical Journal Supplement Series, 113, p. 367
