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Table 6

The physical properties of the LL Aqr system.

Parameter Star A Star B

Orbital separation ( R) 40.46 ± 0.009
Mass ( M) 1.167 ± 0.009 1.014 ± 0.006
Radius ( R) 1.305 ± 0.007 0.990 ± 0.008
log g [cm s-2] 4.274 ± 0.004 4.453 ± 0.007
Vsynch ( km s-1) 3.27 ± 0.02 2.48 ± 0.02
Vsini ( km s-1) 4 ± 2 4 ± 2
Teff(K) 6680 ± 160 6200 ± 160
log (LL)1 0.483 ± 0.042 0.114 ± 0.045
Mbol1 3.54 ± 0.10 4.47 ± 0.11
Distance (pc) 137.8 ± 2.7

Notes. 1 Calculated assuming L = 3.844  ×  1026 W (Bahcall et al. 1995) and Mbol  ⊙ = 4.75 (Zombeck 1990).

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