Table 2
Orbital parameters and the spin period of the neutron star.
| Identifier | Orbital period | Refs. | Eccentricity | Refs. | T0 | Ref. | Spin period | Refs. |
|---|---|---|---|---|---|---|---|---|
| (d) | (MJD) | (s) | ||||||
| HD 153919 | 3.411660 ± 0.000004 | 1 | 0.008 − 0.22 | 1, 2 | 49149.412 ± 0.006 | 1 | – | |
| BD+60 73 | 15.661 ± 0.0017 | 3 | 0.56 ± 0.07 | 3 | 55084.0 ± 0.4 | 3 | 346.0 | 4 |
| LM Vel | 9.5436 ± 0.0002 | 5 | 0.63 ± 0.03 | 5 | 54634.45 ± 0.04 | 5 | – | |
| HD 306414 | ~164.6 | 6 | ~0.8 (a) | 7 | – | 186.78 | 6, 8 | |
| BD+53 2790 | ~9.568 | 9, 10, 11, 12 | 0.30 ± 0.02 | 12 | – | 5750. | 13 |
Notes. (a) Uncertain.
References.(1) Islam & Paul (2016); (2) Hammerschlag-Hensberge et al. (2003); (3) González-Galán et al. (2014); (4) in’t Zand et al. (2007); (5) Gamen et al. (2015); (6) Romano et al. (2009); (7) Lorenzo et al. (2014); (8) Swank et al. (2007); (9) Corbet & Peele (2001); (10) Ribó et al. (2006); (11) Reig et al. (2009); (12) Stoyanov et al. (2014); (13) Torrejón et al. (2018).
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