Impact of the transport of magnetospheric electrons on the composition of the Triton atmosphere

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Table 1

Comparison between the different OTD models used to approximate the magnetic field of Neptune.

	Dipole moment	x_c	y_c	z_c	Tilt angle	Direction
Model	$(T \cdot R_{N}^{3})$ $\left( {T \cdot R_{\rm{N}}^3} \right)$	(R_N)	(R_N)	(R_N)	(°)	(°W)
OTD1⁽¹⁾	1.33 × 10⁻⁵	0.17	0.46	−0.24	46.8	79.5
OTD2⁽²⁾	1.30 × 10⁻⁵	0.19	0.48	−0.19	45.2	76.5
OTD-O8⁽³⁾	1.42 × 10⁻⁵	0.05	0.48	0.00	46.9	72.0

Notes. (x_c, y_c, z_c) are the coordinates of the center of the dipole, using the coordinate system defined by the Voyager Project Steering Group (Connerney et al. 1991). This coordinate system differs from that of the International Astronomical Union (see for example Archinal et al. 2018). The tilt angle corresponds to the inclination of the magnetic dipole axis with respect to the Neptune rotation axis, and the direction indicates toward which longitude the dipole axis is inclined. The west longitude is defined as in Connerney et al. (1991).

References.⁽¹⁾ Ness et al. (1989) ;⁽²⁾ Ness et al. (1995);⁽³⁾ Connerney et al. (1991).

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