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High-angular resolution observations of the Pistol star

Abstract

First results of near-IR adaptive optics (AO)-assisted imaging, interferometry, and spectroscopy of this Luminous Blue Variable (LBV) are presented. They suggest that the Pistol Star is at least double. If the association is physical, it would reinforce questions concerning the importance of multiplicity for the formation and evolution of extremely massive stars.

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References
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Damineli, A., Conti, P. S., & Lopes, D. F. 1997, New Astron., 2, 107
Figer, D. F., Najarro, F., Morris, M., McLean, I. S. et al. 1998, ApJ, 506, 384
Mason, B. D., Hartkopf, W. I., Gies, D. R., Henry, T. J. et al. 2009, AJ, 137, 3358
Sana, H., Gosset, E., & Evans, C. J. 2009, MNRAS, 400, 1479
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Proceedings of the International Astronomical Union
  • ISSN: 1743-9213
  • EISSN: 1743-9221
  • URL: /core/journals/proceedings-of-the-international-astronomical-union
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