Blind search for activity-sensitive lines in the near-infrared using HARPS and NIRPS observations of Proxima and Gl 581

Open Access

Table 2

Observation log for Proxima and Gl 581.

	Gl 581		Proxima

	HARPS	NIRPS	HARPS	NIRPS
N_obs	80	82	132	137
T_exp (s)	900	451	400	201
⟨S / N⟩	20	156	6	187
⟨S / N_max⟩	63	235	32	290
T_span (d)	532		532
Start date	2023-04-02		2023-04-02
End date	2024-09-15		2024-09-15

Notes. N_obs is the number of observations; T_exp is the median exposure time; ⟨S / N⟩ the median S/N; ⟨S / N_max⟩ the median maximum S/N; T_span is the time span of observations.

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