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High S/N Simultaneous Optical and IR Spectrophotometric Observations of Herbig Ae/Be Stars

Published online by Cambridge University Press:  19 July 2016

A. Vittone ,
C. Rossi ,
E. Covino  and
F. Giovannelli
A. Vittone
Affiliation:
-Osservatorio Astronomico di Capodimonte, Napoli- I.
C. Rossi
Affiliation:
-Osservatorio Astronomico di Capodimonte, Napoli- I.
E. Covino
Affiliation:
-Osservatorio Astronomico di Capodimonte, Napoli- I.
F. Giovannelli
Affiliation:
-Osservatorio Astronomico di Capodimonte, Napoli- I.

Abstract

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We present a preliminary report on simultaneous optical and infrared observations on a sample of Herbig Ae/Be stars carried out at the European Southern Observatory in La Silla-Chile in March 1984 and in March-April 1985. In this paper Z CMa, V380 Ori, R Mon and HD53367 are analyzed A strong variability in both energy distribution and Ha line profile is detected in Z CMa, while for HD53367 only He I and Ha profile's variations are revealed; V380 Ori and R Mon show non significant variability.

Type
II. Pre-Main-Sequence Stars
Information
Symposium - International Astronomical Union , Volume 132: The Impact of Veryhigh S/N Spectroscopy on Stellar Physics , 1988 , pp. 109 - 115
Copyright
Copyright © Kluwer 1988 

References

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Finkenzeller, U., Mundt, R., 1984, Astron. Astrophys. Suppl. 55, 109 Google Scholar
Herbig, G.H.: 1960, Astrophys. J. Suppl. 4, 337 Google Scholar
Strom, S.E. Strom, K.M., Yost, J., Carrasco, L., Grasdalen, G.: 1972, Astrophys. J. 173, 353 Google Scholar