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Table F.1

Parameter ranges for Tau Boo, HD 179949, and HD 189733 observed with different telescopes.

Telescope Parameter Values
NenuFAR (10-85 MHz) SEFD (Jy) 4.10 × 102–4.452 × 103
σ (mJy) 1.529 × 10−3–1.659 × 10−2
Smin (mJy) 7.644 × 10−3–8.296 × 10−2
Tau Boo HD 179949 HD 189733
Pradio (W) 2.834 × 1013–3.076 × 1014 8.491 × 1013–9.215 × 1014 4.339 × 1013–4.709 × 1014

LOFAR (30–80 MHz) SEFD (Jy) 1.74 × 103–2.06 × 103
σ (mJy) 6.5 − 7.7
Smin (mJy) 32.5 − 38.5
Tau Boo HD 179949 HD 189733
Pradio (W) 1.205 × 1014–1.428 × 1014 3.610 × 1014–4.277 × 1014 1.845 × 1014–2.185 × 1014

SKA1-Low (50–350 MHz) SEFD (Jy) 4.67 − 52.90
σ (mJy) 1.739 × 10−2–0.19
Smin (mJy) 8.69 × 10−2–9.86 × 10−1
Tau Boo HD 179949 HD 189733
Pradio (W) 3.224 × 1011–3.655 × 1012 9.658 × 1011–1.095 × 1013 4.935 × 1011–5.595 × 1012

Notes. For each telescope, we provide the system equivalent flux density (SEFD), the detection threshold (σ), the minimum detectable flux density Smin), and the corresponding range of minimum detectable radio power (Pradio) for Tau Boo, HD 179949, and HD 189733.

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