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Table 1 Thermophysical properties for Mars mantle relevant to dynamo activity

From: Feasibility of a magma ocean dynamo on Mars

Property

Symbol

Value

Scale and dimensions

Magnetic permeability

μ 0

4π

×10−7 H m −1 (definition)

Thermal expansivity

α

2.3

×10−5 K −1 a

Heat capacity

C P

1200

J kg −1 K −1 b

Gravity

g

3

m s −2 a

Density

ρ

4000

kg m −3 a

Rotation rate

Ω

71

×10−6 s −1 c

Heat flux

Q m

519

GWa,c

  1. a Sohl and Spohn (1997) evaluated in the transition zone b Nimmo and Stevenson (2000) c Present day value