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Multisite observations of the pre–Main-Sequence $\delta$ Scuti star IP Per

Published online by Cambridge University Press:  02 March 2005

V. Ripepi ,
S. Bernabei ,
M. Marconi ,
F. Palla ,
A. Arellano Ferro ,
A. Bonanno ,
P. Ferrara ,
A. Frasca ,
X.J. Jiang  and
S.L. Kim
...Show all authors
V. Ripepi
Affiliation:
INAF-Osservatorio Astronomico di Capodimonte, Via Moiariello 16, 80131, Napoli, Italy
S. Bernabei
Affiliation:
INAF-Osservatorio Astronomico di Bologna, Via Ranzani 1, 40127 Bologna, Italy Departimento de Astrofísica, Universidad de La Laguna, Avda. Astrofisico F. Sánchez sn, 30071 La Laguna, Spain
M. Marconi
Affiliation:
INAF-Osservatorio Astronomico di Capodimonte, Via Moiariello 16, 80131, Napoli, Italy
F. Palla
Affiliation:
INAF-Osservatorio Astrofisico di Arcetri, Largo E. Fermi, 5, I-50125 Firenze, Italy
A. Arellano Ferro
Affiliation:
Instituto de Astronomía, UNAM, Apdo. Postal 70-264, México D.F., CP 04510, México
A. Bonanno
Affiliation:
INAF-Osservatorio Astrofisico di Catania, Città Universitaria, 95125 Catania, Italy
P. Ferrara
Affiliation:
INAF-Osservatorio Astronomico di Capodimonte, Via Moiariello 16, 80131, Napoli, Italy
A. Frasca
Affiliation:
INAF-Osservatorio Astrofisico di Catania, Città Universitaria, 95125 Catania, Italy
X.J. Jiang
Affiliation:
National Astronomical Observatories, Chinese Academy of Sciences, Beijing, 100012, China
S.L. Kim
Affiliation:
Korea Astronomy Observatory, Daejeon 305-348, Korea
S. Marinoni
Affiliation:
INAF-Osservatorio Astronomico di Bologna, Via Ranzani 1, 40127 Bologna, Italy
G. Mignemi
Affiliation:
INAF-Osservatorio Astrofisico di Catania, Città Universitaria, 95125 Catania, Italy
T.D. Oswalt
Affiliation:
Florida Inst. Technology, 150 W Univ. Blvd., Melbourne, FL 32901-6988, USA
P. Reegen
Affiliation:
Institute for Astronomy (IfA), University of Vienna, Türkenschanzstrasse 17, A-1180 Vienna
J. Rimas
Affiliation:
Institute of Theoretical Physics and Astronomy, Astronomical Observatory, Gostauto 12, Vilnius LT-2600, Lithuania
E. Rodriguez
Affiliation:
Instituto de Astrofísica de Andalucía, CSIC, Apdo. 3004, 18080 Granada, Spain
A. Rolland
Affiliation:
Instituto de Astrofísica de Andalucía, CSIC, Apdo. 3004, 18080 Granada, Spain
A. Ruoppo
Affiliation:
Dipartimento di Scienze Fisiche, Università Federico II, Complesso Monte S. Angelo, 80126, Napoli, Italy
L. Terranegra
Affiliation:
INAF-Osservatorio Astronomico di Capodimonte, Via Moiariello 16, 80131, Napoli, Italy
K. Zwintz
Affiliation:
Institute for Astronomy (IfA), University of Vienna, Türkenschanzstrasse 17, A-1180 Vienna
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Abstract

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We present preliminary results of a photometric multisite campaign on the $\delta$ Scuti-type Pre–Main-Sequence star IP Per. Nine telescopes have been involved in the observations, with a total of about 173 hour of observations over around 40 nights. Our current data permitted us to confirm the multiperiodic nature of this star and to determine at least 9 pulsational frequencies. A preliminary nonradial theoretical analysis seems to show that the star pulsates in a mixture of $l=0, 1, 2$ modes.To search for other articles by the author(s) go to: http://adsabs.harvard.edu/abstract_service.html

Keywords

Stars: Pre-Main-Sequencestars: oscillations (including pulsations)stars: variables: $\delta$ Scutistars: interiorsstars: individual: (IP Per)
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2004 , Issue IAUS224 , July 2004 , pp. 799 - 803
Copyright
© 2004 International Astronomical Union