2023MNRAS.518.1672M

Query : 2023MNRAS.518.1672M

2023MNRAS.518.1672M - Mon. Not. R. Astron. Soc., 518, 1672-1682 (2023/January-2)

Arecibo and FAST timing follow-up of 12 millisecond pulsars discovered in Commensal Radio Astronomy FAST Survey.

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. and ZHANG L.

Abstract (from CDS):

We report the phase-connected timing ephemeris, polarization pulse profiles, Faraday rotation measurements, and Rotating-Vector-Model (RVM) fitting results of 12 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 3 yr. 11 of the 12 pulsars are in neutron star-white dwarf binary systems, with orbital periods between 2.4 and 100 d. 10 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 d 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.

Abstract Copyright: © 2022 The Author(s) Published by Oxford University Press on behalf of Royal Astronomical Society

Journal keyword(s): surveys - binaries: general - pulsars: general

Simbad objects: 21

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Number of rows : 21
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 PSR J0203-0150 Psr 02 03 33.91215 -01 50 01.5874           ~ 3 0
2 PSR J0732+2314 Psr 07 32 37.5156 +23 14 54.210           ~ 12 0
3 PSR J0925+6103 Psr 09 25 17.5451 +61 03 04.104           ~ 2 0
4 PSR J0955-6150 Psr 09 55 20.847467 -61 50 16.89532           ~ 42 0
5 PSR J1421-4409 Psr 14 21 20.960491 -44 09 04.57445           ~ 16 0
6 PSR J1618-3919 Psr 16 18 18.82500 -39 21 01.8320           ~ 32 0
7 PSR J1709+2313 Psr 17 09 05.792 +23 13 27.85           ~ 36 1
8 PSR J1811-0624 Psr 18 11 18.0861 -06 24 37.420           ~ 2 0
9 PSR J1813-0402 Psr 18 13 34.93602 -04 02 47.8226           ~ 2 0
10 PSR J1824-0621 Psr 18 24 15.81954 -06 21 56.7918           ~ 7 0
11 PSR J1908+0128 Psr 19 08 18.80366 +01 28 22.7140           ~ 4 0
12 PSR J1912-0952 Psr 19 12 12.2482 -09 52 51.748           ~ 3 0
13 PSR J1929+0132 Psr 19 29 42.52833 +01 32 46.5630           ~ 3 0
14 PSR J1946+3417 Psr 19 46 25.13182 +34 17 14.6770           ~ 64 0
15 PSR J1950+2414 Psr 19 50 45.06390 +24 14 56.9638           ~ 34 0
16 PSR J2001+0701 Psr 20 01 50.95896 +07 01 39.6450           ~ 2 0
17 PSR J2010+3051 Psr 20 10 03.9542 +30 51 18.892           ~ 6 0
18 PSR J2015+0756 Psr 20 15 59.59547 +07 56 36.0514           ~ 3 0
19 PSR J2027+0255 Psr 20 27 30.86790 +02 55 37.9820           ~ 1 0
20 PSR J2234+06 Psr 22 34 22 +06 11.0           ~ 76 0
21 PSR J2355+0051 Psr 23 55 51.2885 +00 51 09.570           ~ 4 0

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