New observational results on PMS  Scuti stars Ripepi
Osservatorio Astronomico di Capodimonte, Via Moiariello 16 80131, Napoli, Italy
We present new observational results on two Herbig stars showing
Scuti-like pulsation: 1) the field star V351 Ori and 2)
the cluster star H254 in IC 348. For V351 Ori we undertook a multisite
campaign which led to the detection of four pulsational frequencies,
whereas for H254 we were able to find only one pulsational frequency.
These observational results are interpreted for both stars at the light
of radial linear theoretical models.
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