Press Release
Open Access

Table B.5

Measured timing model parameters for PSRs J1804−2717, J1843−1113, J1857+0943 and J1909−3744.

Pulsar Jname J1804−2717 J1843−1113 J1857+0943 J1909−3744
Right ascension, α (J2000) 18:04:21.13307(1) 18:43:41.261937(7) 18:57:36.390620(1) 19:09:47.4335785(8)
Declination, δ (J2000) −27:17:31.337(3) −11:13:31.0684(5) 09:43:17.20712(4) −37:44:14.51579(3)
Spin frequency, v (Hz) 107.031649219533(4) 541.809745036152(5) 186.4940783779890(9) 339.3156872184705(9)
Spin frequency derivative, −4.6812(2) × 10−16 −2.80559(3) × 10−15 −6.20522(4) × 10−16 −1.614806(7) × 10−15
DM (cm−3 pc) 24.688(4) 59.962(2) 13.2957(9) 10.3925(2)
DM1 (cm−3 pc yr−1) 0.0005(7) −0.0009(3) 0.00082(7) −0.00037(3)
DM2 (cm−3 pc yr−2) −0.00012(9) 5(8)×10−5 −0.00012(2) 4.1(6)×10−5
Proper motion in α, µα (mas yr−1) 2.46(2) −1.99(2) −2.670(3) −9.523(1)
Proper motion in δ, µδ (mas yr−1) −16.9(4) −3.00(7) −5.428(6) −35.780(5)
Parallax, (mas) 1.1(3) 0.89(6) 0.94(2)
Binary model T2 T2 T2
Orbital period, Pb (d) 11.1287119652(3) 12.32717138285(5) 1.533449475874(1)
Projected semi-major axis, x (s) 7.2814511(1) 9.23078029(8) 1.89799110(1)
Epoch of ascending node (MJD), Tasc 49610.1749842(2) 46423.31409197(5) 56180.8496921865(6)
component of the eccentricity, к 1.219(3)×10−5 −2.1565(9) × 10−5 5.4(7)×10−8
component of the eccentricity, η −3.177(4) × 10−5 2.454(5)×10−6 −1.07(4) × 10−7
Orbital period derivative, b 5.09(1)×10−13
Derivative of x, −3.6(5) × 10−16
Sine of inclination angle, sin i 0.9989(2) 0.99831(4)
Companion mass, Mc (M) 0.258(5) 0.2048(9)
Noise model DM DM DM RN, DM

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.