VPNEP: Detailed characterization of TESS targets around the Northern Ecliptic Pole - I. Survey design, pilot analysis, and initial data release

Open Access

Fig. 14

Absolute emission line surface fluxes for the pilot sample. Panel a: Balmer Ha line-core flux vs. B – V. Panel b: summed Ca II IRT line-core flux vs. B – V. Panel c: flux–flux relation for Balmer Hα vs. Call IRT-3. Dashed line is the 1:1 relation. Red dots are from STELLA+SES spectra, blue dots from VATT+PEPSI spectra.

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