SIMBAD references

2016MNRAS.458.2088P - Mon. Not. R. Astron. Soc., 458, 2088-2093 (2016/May-2)

The variable spin-down rate of the transient magnetar XTE J1810-197.

PINTORE F., BERNARDINI F., MEREGHETTI S., ESPOSITO P., TUROLLA R., REA N., COTI ZELATI F., ISRAEL G.L., TIENGO A. and ZANE S.

Abstract (from CDS):

We have analysed XMM-Newton and Chandra observations of the transient magnetar XTE J1810-197 spanning more than 11 yr, from the initial phases of the 2003 outburst to the current quiescent level. We investigated the evolution of the pulsar spin period and we found evidence for two distinct regimes: during the outburst decay, was highly variable in the range -(2-4.5) x 10–13 Hz/s, while during quiescence the spin-down rate was more stable at an average value of -1 x 10–13 Hz/s. Only during ∼3000 d (from MJD 54165 to MJD 56908) in the quiescent stage it was possible to find a phase-connected timing solution, with Hz/s, and a positive second frequency derivative, Hz s–2. These results are in agreement with the behaviour expected if the outburst of XTE J1810-197 was due to a strong magnetospheric twist.

Abstract Copyright: © 2016 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): magnetic fields - stars: magnetars - stars: neutron - pulsars: individual: (XTE J1810-197) - X-rays: stars

CDS comments: © 2016 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society

Simbad objects: 9

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2021.06.21-08:31:01

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