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Table 3.

Summary of the 10 pc sample.

Type Number
O 0
B 0
A 4
F 8
G 18
K 38
M 249
L 21
T 45
Y 19
D 20
N/A 41
Exoplanets 77

Total 541

Single 246
Binary 69
Triple (a) 19
Quadruple (a) 3
Quintuple (a) 2

Notes. In the column Type, O, B, A… Y stand for stellar and sub-stellar spectral types, D for white dwarfs, and N/A for objects without a spectral type. The Sun (G2 V star) and its eight planets are not included.


The name of the triple, quadruple, and quintuple systems are given in Table 5.

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