Evolution of stellar magnetic activity: Probing planet engulfment by red giants

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Table A.1.

Characteristics of the active sample.

	RGB, active				HB, active

	M ≤ 1.5 M_⊙,	M ≤ 1.5 M_⊙,	M > 1.5 M_⊙,	M > 1.5 M_⊙,	M ≤ 1.5 M_⊙	M > 1.5 M_⊙
	ν_max ≥ 100 μHz	ν_max < 100 μHz	ν_max ≥ 100 μHz	ν_max < 100 μHz

Ca II H&K	0.74% (2)	1.43% (4)	0.90% (1)	0% (0)	2.12% (21)	1.97% (10)

Mg I	0.36% (1)	2.13% (6)	0.89% (1)	0% (0)	1.70% (14)	0.57% (2)

Hα	0.35% (1)	0.34% (1)	0% (0)	1.32% (1)	1.54% (16)	4.17% (23)

Ca II IR	0.35% (1)	0.68% (2)	0.88% (1)	0% (0)	0.77% (8)	0% (0)

Notes. Same as Table 2 for chromospheric indicators, except that the threshold to consider that stars are active is now the 3σ prediction interval around the fit in Fig. A.1.

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