Glitch-induced pulse profile change of PSR J0742−2822 observed from the IAR

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Table 1.

Parameters of the timing model for the 2022 glitch in PSR J0742−2822 and their 1σ uncertainties, obtained by fitting the data spanning from MJD 59683 to MJD 60149.

Parameter	Value
t₀ (MJD)	59000
ν(s⁻¹)	5.9960548719(4)
$\dot{ν} (s^{- 2})$ $\dot\nu(\mathrm{s^{-2}})$	−6.0348(1)×10⁻¹³
$\ddot{ν} (s^{- 3})$ $\ddot{\nu}(\mathrm{s^{-3}})$	–
DM(cm⁻³pc)	73.728(1)
t_g (MJD)	59839.4(5)
Δν_p (s⁻¹)	2.5619(1)×10⁻⁵
$Δ {\dot{ν}}_{p}$ $\Delta\dot{\nu}_{\mathrm{p}}$ (s⁻²)	−4.1(4)×10⁻¹⁶
$Δ \ddot{ν}$ $\Delta\ddot{\nu}$ (s⁻³)	–
Δν_d1 (s⁻¹)	1.23(2)×10⁻⁷
Δν_d2 (s⁻¹)	8(5)×10⁻⁸
τ_d1 (days)	48(2)
τ_d2 (days)	8(5)
Δϕ	0.14(2)
Δν_g/ν	4.306(8)×10⁻⁶
$Δ {\dot{ν}}_{g} / \dot{ν}$ $\Delta\dot\nu_{\mathrm{g}}/\dot\nu$	0.24(16)
Q₁(%)	0.476(7)
Q₂	0.3(2)
Q	0.8(2)

Notes. The DM value was taken from ATNF (https://www.atnf.csiro.au/research/pulsar/psrcat/). The glitch epoch and its uncertainty was taken from Shaw et al. (2022a).

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