Correlation between a light outburst and pulsations in a CoRoT Be star: HD 49330

A. L. Huat; A. M. Hubert; M. Floquet; C. Neiner; H. Saio; C. Lovekin; F. Baudin

doi:10.1063/1.3246520

Correlation between a light outburst and pulsations in a CoRoT Be star: HD 49330

A. L. Huat, A. M. Hubert, M. Floquet, C. Neiner, H. Saio, C. Lovekin, F. Baudin

Science

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2 Citations (Scopus)

Abstract

HD 49330 (B0.5IVe) has been observed with CoRoT during the LRA1 run and presented an outburst of moderate amplitude (0.03 mag). The analysis of its light curve revealed many frequencies in the Fourier spectrum typical of p and g pulsation modes with amplitude variations along the run closely correlated to the outburst. The simultaneous spectroscopic observations allowed us to identify some p and g modes. Using these results, we performed a preliminary seismic modeling of the Be star HD 49330 taking into account its rapid rotation.

Original language	English
Title of host publication	Stellar Pulsation
Subtitle of host publication	Challenges for Theory and Observation - Proceedings of the International Conference
Pages	382-384
Number of pages	3
DOIs	https://doi.org/10.1063/1.3246520
Publication status	Published - 2009 Dec 1
Event	International Conference on Stellar Pulsation: Challenges for Theory and Observation - Santa Fe, NM, United States Duration: 2009 May 31 → 2009 Jun 5

Publication series

Name	AIP Conference Proceedings
Volume	1170
ISSN (Print)	0094-243X
ISSN (Electronic)	1551-7616

Other

Other	International Conference on Stellar Pulsation: Challenges for Theory and Observation
Country	United States
City	Santa Fe, NM
Period	09/5/31 → 09/6/5

Keywords

Be
Stars: Early-type
Stars: Emission-line
Stars: Individual: HD 49330
Stars: Modelling
Stars: Oscillations

ASJC Scopus subject areas

Physics and Astronomy(all)

Access to Document

10.1063/1.3246520

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Cite this

Huat, A. L., Hubert, A. M., Floquet, M., Neiner, C., Saio, H., Lovekin, C., & Baudin, F. (2009). Correlation between a light outburst and pulsations in a CoRoT Be star: HD 49330. In Stellar Pulsation: Challenges for Theory and Observation - Proceedings of the International Conference (pp. 382-384). (AIP Conference Proceedings; Vol. 1170). https://doi.org/10.1063/1.3246520

Correlation between a light outburst and pulsations in a CoRoT Be star : HD 49330. / Huat, A. L.; Hubert, A. M.; Floquet, M.; Neiner, C.; Saio, H.; Lovekin, C.; Baudin, F.

Stellar Pulsation: Challenges for Theory and Observation - Proceedings of the International Conference. 2009. p. 382-384 (AIP Conference Proceedings; Vol. 1170).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Huat, AL, Hubert, AM, Floquet, M, Neiner, C, Saio, H, Lovekin, C & Baudin, F 2009, Correlation between a light outburst and pulsations in a CoRoT Be star: HD 49330. in Stellar Pulsation: Challenges for Theory and Observation - Proceedings of the International Conference. AIP Conference Proceedings, vol. 1170, pp. 382-384, International Conference on Stellar Pulsation: Challenges for Theory and Observation, Santa Fe, NM, United States, 09/5/31. https://doi.org/10.1063/1.3246520

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abstract = "HD 49330 (B0.5IVe) has been observed with CoRoT during the LRA1 run and presented an outburst of moderate amplitude (0.03 mag). The analysis of its light curve revealed many frequencies in the Fourier spectrum typical of p and g pulsation modes with amplitude variations along the run closely correlated to the outburst. The simultaneous spectroscopic observations allowed us to identify some p and g modes. Using these results, we performed a preliminary seismic modeling of the Be star HD 49330 taking into account its rapid rotation.",

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