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Table 2

Summary statistics of the variability within our sample of Am and Fm stars.

TESS and Gaia: 1276
Type Occurrence Fraction
Constant 649 51%
Pulsating Am and Fm and ρ Puppis 318 25%
Pulsating Am and Fm 261 20%
Eclipsing binaries 93 7%
Other variability 210 17%

Pulsation incidence

γ Doradus 32 10%
δ Scuti 172 54%
Hybrids 114 36%

Notes. Pulsation statistics of our oscillating targets are also shown. We find a 20% pulsation incidence in Am and Fm stars.

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