Early evolution of the birth cluster of the solar system

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Table 1

Constraints on the properties of the solar birth cluster.

Variable	Value	Limiting factor


N	> 4000	chemical composition¹
N	< several 10⁴	radiation field²
ρ _c	> 10³M_⊙ pc^-3	Sedna orbit³
ρ _c	< 10⁵M_⊙ pc^-3	Sedna orbit⁴

Notes. N is the number of cluster members and ρ_c is the central cluster density.

⁽¹⁾

Lee et al. (2008);

⁽²⁾

Adams (2010);

⁽³⁾

Brasser et al. (2006);

⁽⁴⁾

Schwamb et al. (2010).

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