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Recent observations of the WR central star of the planetary nebula LMC-N66

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Abstract

The recent evolution of the central star of the planetary nebula LMC-N66 is presented. Before 1987, it showed a weak continuum with aT eff≥120 000 K andL bol≈25 000L ⊙ and in a few years it developed strong WR features (P Cygni line profiles in N v at 124.0 nm and C IV at 155.0 nm, wide Heii emission, etc.) typical of a WN 4.5. Additionally the stellar continuum increased by a large factor and the absolute visual magnitude of the star changed from + 1.24 in 1987 to−2.57 in January, 1995. The WR features and enhanced continuum, evidencing a powerful mass-loss event remained with small variations for more than 5 years. Recent ultraviolet and optical data shows that the mass-loss seems to have diminished abruptly in the last three months.

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References

  • Dopita, M. A., Ford, H. C., Bohlin, R., Evans, I. N., and Meatheringham, S. J. 1993,Ap. J.,418, 804.

    Google Scholar 

  • Iben, I. and Renzini, A. 1983,Ann. Rev. Astron. Astrophys. 21, 271.

    Google Scholar 

  • Montesinos, B., Cassatella, A., González-Riestra, R., Fernández-Castro, T., Eiroa, C. and Jiménez-Fuensalida, J. 1990,Ap. J.,363, 245.

    Google Scholar 

  • Peña, M. 1995,Rev. Mex. AASC,3, 215.

    Google Scholar 

  • Peña, M. and Ruiz, M. T. 1988,Rev. Mex. AA,16, 55.

    Google Scholar 

  • Peña, M., Peimbert, M., Torres-Peimbert, S., Ruiz, M. T., and Maza, J. 1995,Ap. J.,441, 343.

    Google Scholar 

  • Peña, M., Torres-Peimbert, S., Peimbert, M., Ruiz, M. T., and Maza, J. 1994,Ap. J.,428, L9 (Paper I).

    Google Scholar 

  • Tylenda, R., Acker, A. and Stenholm, B. 1993,Astron. Astrophys. Suppl. Series,102, 595.

    Google Scholar 

  • Torres-Peimbert, S., Peimbert, M., Ruiz, M. T., and Peña, M. 1993, in IAU Symp. 155,Planetary Nebulae, ed. R. Weinberger & A. Acker (Dordrecht: Kluwer), 584.

    Google Scholar 

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Authors and Affiliations

  1. Instituto de Astronomía, UNAM, Apdo. Postal 70 264, 04510, México, D.F., México

    Miriam Peña, Manuel Peimbert & Silvia Torres-Peimbert

  2. Depto. de Astronomía, Universidad de Chile, Casilla 36-D, Santiago, Chile

    Maria Teresa Ruiz & Jose Maza

Authors
  1. Miriam Peña
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  2. Manuel Peimbert
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  3. Silvia Torres-Peimbert
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  4. Maria Teresa Ruiz
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  5. Jose Maza
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Peña, M., Peimbert, M., Torres-Peimbert, S. et al. Recent observations of the WR central star of the planetary nebula LMC-N66. Astrophys Space Sci 238, 55–58 (1996). https://doi.org/10.1007/BF00645491

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  • DOI: https://doi.org/10.1007/BF00645491

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