2024ApJ...964L...7Z

Query : 2024ApJ...964L...7Z

2024ApJ...964L...7Z - Astrophys. J., 964, L7 (2024/March-3)

A Relativistic Double Neutron Star Binary PSR J1846-0513.

ZHAO D., WANG N., YUAN J.P., LI D., WANG P., XUE M.Y., ZHU W.W., MIAO C.C., YAN W.M., WANG J.B., YAO J.M., WU Q.D., WANG S.Q., SUN S.N., KOU F.F., CHEN Y.T., DANG S.J., FENG Y., LIU Z.J., MIAO X.L., MENG L.Q., YUAN M., NIU C.H., NIU J.R., QIAN L., WANG S., XIE X.Y., XIAO Y.F., YUE Y.L., YOU S.P., YU X.H., ZHAO R.S., YUEN R., ZHOU X., ZHANG L., WANG Y.B., WU J.F., GAN Z.Y., SUN Z.Y. and WANG C.J.

Abstract (from CDS):

We report the timing analysis of PSR J1846-0513, a pulsar discovered by the Five-hundred-meter Aperture Spherical radio Telescope (FAST) in Commensal Radio Astronomy FAST Survey. The pulsar possesses a spin period of 23.36 ms and a spin-down rate ($\dot{P}$) of 1.0106(3) × 10–18 s s–1, and it is located in an eccentric orbit (e ∼0.208) with an orbital period of 0.61 days. The characteristic age and surface magnetic field of the pulsar are found to be 366.62 Myr and 4.9178 × 109 G, respectively, indicating that it is a recycled pulsar. Using over two years of timing data, we measure the periastron advance $\dot{\omega }$ = 0.8956(8) deg yr–1. By assuming that this effect is purely relativistic, we have estimated the total mass M = 2.6287(35)M⊙ and obtained an upper limit for the pulsar mass and a lower limit for the companion's mass. Our results indicate that this is a double neutron star system.

Abstract Copyright: © 2024. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Binary pulsars - Pulsars

Errata: erratum vol. 974, art. L39 (2024)

Simbad objects: 11

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Number of rows : 11
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 J0509+3801 Psr 05 09 31.788 +38 01 18.10           ~ 41 0
2 PSR J0737-3039A Psr 07 37 51.24669 -30 39 40.6895           ~ 317 1
3 PSR J0737-3039 Psr 07 37 51.248 -30 39 40.83           ~ 445 1
4 PSR J1528-3146 Psr 15 28 34.95200 -31 46 06.9440           ~ 29 1
5 PSR B1534+11 Psr 15 37 09.9603 +11 55 55.554           ~ 453 1
6 PSR J1759+5036 Psr 17 59 45.672 +50 36 56.96           ~ 17 0
7 PSR J1829+2456 Psr 18 29 34.6668 +24 56 18.193           ~ 89 1
8 PSR J1846-0513 Psr 18 46 09.03620 -05 13 20.6140           ~ 5 0
9 PSR J1915+1606 Psr 19 15 27.99999 +16 06 27.4034     22.5     ~ 1032 1
10 PSR J2222-0137 Psr 22 22 06.00015 -01 37 15.7827           ~ 78 0
11 PSR J2305+4707 Psr 23 05 55.842 +47 07 45.32           ~ 227 1

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