Report
Arecibo and FAST Timing Follow-up of twelve Millisecond Pulsars Discovered in Commensal Radio Astronomy FAST Survey
| العنوان: | Arecibo and FAST Timing Follow-up of twelve Millisecond Pulsars Discovered in Commensal Radio Astronomy FAST Survey |
|---|---|
| المؤلفون: | Miao, C. C., Zhu, W. W., Li, D., Freire, P. C. C., Niu, J. R., Wang, P., Yuan, J. P., Xue, M. Y., Cameron, A. D., Champion, D. J., Cruces, M., Chen, Y. T., Chi, M. M., Cheng, X. F., Dang, S. J., Ding, M. F., Feng, Y., Gan, Z. Y., Hobbs, G., Kramer, M., Liu, Z. J., Li, Y. X., Luo, Z. K., Miao, X. L., Meng, L. Q., Niu, C. H., Pan, Z. C., Qian, L., Sun, Z. Y., Wang, N., Wang, S. Q., Wang, J. B., Wu, Q. D., Wang, Y. B., Wang, C. J., Wang, H. F., Wang, S., Xie, X. Y., Xie, M., Xiao, Y. F., Yuan, M., Yue, Y. L., Yao, J. M., Yan, W. M., You, S. P., Yu, X. H., Zhao, D., Zhao, R. S., Zhang, L. |
| سنة النشر: | 2022 |
| مصطلحات موضوعية: | Astrophysics - High Energy Astrophysical Phenomena |
| الوصف: | We report the phase-connected timing ephemeris, polarization pulse profiles, Faraday rotation measurements, and Rotating-Vector-Model (RVM) fitting results of twelve millisecond pulsars (MSPs) discovered with the Five-hundred-meter Aperture Spherical radio Telescope (FAST) in the Commensal radio Astronomy FAST survey (CRAFTS). The timing campaigns were carried out with FAST and Arecibo over three years. Eleven of the twelve pulsars are in neutron star - white dwarf binary systems, with orbital periods between 2.4 and 100 d. Ten of them have spin periods, companion masses, and orbital eccentricities that are consistent with the theoretical expectations for MSP - Helium white dwarf (He WD) systems. The last binary pulsar (PSR J1912$-$0952) has a significantly smaller spin frequency and a smaller companion mass, the latter could be caused by a low orbital inclination for the system. Its orbital period of 29 days is well within the range of orbital periods where some MSP - He WD systems have shown anomalous eccentricities, however, the eccentricity of PSR J1912$-$0952 is typical of what one finds for the remaining MSP - He WD systems. Comment: 11 pages, 5 figures, MNRAS accepted |
| نوع الوثيقة: | Working Paper |
| DOI: | 10.1093/mnras/stac1305 |
| URL الوصول: | http://arxiv.org/abs/2205.04232 |
| رقم الانضمام: | edsarx.2205.04232 |
| قاعدة البيانات: | arXiv |
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edsarx arXiv edsarx.2205.04232 1032 3 Report report 1032.37780761719 |
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https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=edsarx&AN=edsarx.2205.04232&custid=s6537998&authtype=sso |
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