Numerical simulations of the great eruption of η Carinae from the 1840s - I. Revisiting the explosion scenario

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Table 1.

Models of η Car’s Homunculi: Parameters of the colliding outflows.

	Outflow Phase	λ	v₁ [km s⁻¹]	v₂ [km s⁻¹]	Δt [yr]	ṁ [M_⊙ yr⁻¹]
Run A	Standard wind	2.4	250	14	507	1.0 × 10⁻³
	Pre-outburst wind	1.9	500	14	20	0.7
	Explosion	1.9	1000	100	1	1.0
	Post-outburst wind	1.9	500	14	49	1.0 × 10⁻³
	Minor Eruption	1.9	200	10	10	1.0 × 10⁻²
	Post-outburst wind	1.9	500	300	120	1.0 × 10⁻³

Run B	Standard wind	2.4	250	14	507	1.0 × 10⁻³
	Pre-outburst wind	1.9	500	30	20	0.7
	Explosion	1.9	10 000	100	1	0.1
	Post-outburst wind	1.9	500	14	49	1.0 × 10⁻³
	Minor Eruption	1.9	200	10	10	1.0 × 10⁻²
	Post-outburst wind	1.9	500	300	120	1.0 × 10⁻³

Notes. The minor eruption from the 1890s and post-eruptive wind conditions are taken from González et al. (2010).

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