Fitting Pulsar Wind Tori. II. Error Analysis and Applications

Details Fitting Pulsar Wind Tori. II. Error Analysis and Applications Fitting Pulsar Wind Tori. II. Error Analysis and Applications

2007-10-23

arxiv.org/abs/0710.4168v1

Astronomy and Astrophysics

Astrophysics

15 pages, 3 figures, ApJ in press

Scientific paper

10.1086/523935

We have applied the torus fitting procedure described in Ng & Romani (2004) to PWNe observations in the Chandra data archive. This study provides quantitative measurement of the PWN geometry and we characterize the uncertainties in the fits, with statistical errors coming from the fit uncertainties and systematic errors estimated by varying the assumed fitting model. The symmetry axis $\Psi$ of the PWN are generally well determined, and highly model-independent. We often derive a robust value for the spin inclination $\zeta$. We briefly discuss the utility of these results in comparison with new radio and high energy pulse measurements

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