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Table 2

Parameters of the (double-)Maxwellians fitted to our results for the Verbunt et al. (2017) and Igoshev (2020) samples (fit), compared to the results from the corresponding literature (lit.), for young pulsars and the complete samples.

Sample Double-Maxwelliana Maxwellianb
σ1 [km/s] σ2 [km/s] w σ [km/s]
Verbunt et al. Young (τc ≤ 10 Myr) fit 96(1) 382(6) 0.31(1) 331(13)
lit. 82(27) 328(53) 0.32(16) 273(33)

Complete fit 97(2) 362(7) 0.31(1) 311(11)
lit. 75(17) 316(47) 0.42(13) 239(24)

Igoshev Young (τc ≤ 3 Myr) fit 46(1) 307(6) 0.20(1) 309(11)
lit. 56(10) 336(45) 0.20(11) 295(34)

Complete fit 144(3) 400(11) 0.46(1) 233(6)
lit. 128(20) 298(28) 0.42(16) 225(18)

Notes. The errors on our fits equal the variances of the least-squares fits to our results, whereas the errors in the literature are 68% confidence intervals. (a)Defined in Eq. (12). (b)Defined in Eq. (11).

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