Magnetic energy fluxes in sub-Alfvénic planet star and moon planet interactions

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Table 1

Total Poynting fluxes and properties at satellites for average magnetospheric values.

Satellite	B ₀	v ₀	n	m _ion	M _A	R _eff			I _obs	S _obs	S _theo
	nT	km s^-1	cm^-3	amu		km	S		kR	10⁹ W	10⁹ W

Io^a,c	1790–2130	57	391–2330	22	0.12–0.33	1.3 × 1822	200	0.63–0.96	5–700	4–300	288–1660
Europa^a^,^c	387–473	76	12–167	18	0.11–0.49	1.3 × 1561	30	0.06–0.85	14–80	0.1–8	0.1–71
Ganymede^a^,^c	69–116	139	0.8–8	14	0.19–0.98	3.2–3.8 × 2634	16	0.09–0.79	20–150	0.1–15	1–149
Callisto^a	6–41	192	0.001–0.5	16	0.03–4.41	1.3 × 2410	1000	0.02–1.0	–	–	0.0001–5.2
Mimas^b	722	15.6	90	–	0.04	1.3 × 195	~0	~0	–	–	~0
Enceladus^b^,^d^,^e^,^f^,^g^,^h	325	26	70.5	17.6	0.13	1.3 × 250	~10	~1	0.45–1.55	~1–4 × 10^-3	~0.2
Tethys^b^,^k	167	34	30	17.6	0.22	1.3 × 530	0.3	~0.016	–	–	~0.0001
Dione^b^,ⁱ	75	40	13	17	0.37	1.3 × 560	2	~0.04	–	–	~0.0003
Rhea^b^,^j	21	57	3.5	17	0.97	1.3 × 765	30	~0.4	–	–	~0.02

Notes. Values either taken from or calculated based on ; S_theo quotes our calculated Poynting fluxes.

^(a)

Kivelson et al. (2004)

^(b)

Saur & Strobel (2005);

^(c)

Wannawichian et al. (2010), Clarke et al. (2002), Gérard et al. (2006), Grodent et al. (2009), Bonfond et al. (2013), Prangé et al. (1996);

^(d)

Pryor et al. (2011);

^(e)

Saur et al. (2008);

^(f)

Kriegel et al. (2009);

^(g)

Simon et al. (2011a);

^(h)

interaction strength was assumed to be maximum;

⁽ⁱ⁾

Simon et al. (2011b);

^(j)

Santolík et al. (2011);

^(k)

Simon et al. (2009), Fluxes at Saturn’s satellites are calculated with (55). S_obs quotes the electron input energies derived from observation in the FUV.

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