Mid-cycle changes in eta Carinae
@article{Martin2010MidcycleCI, title={Mid-cycle changes in eta Carinae}, author={J. C. Martin and K. Davidson and R. Humphreys and A. Mehner}, journal={The Astronomical Journal}, year={2010}, volume={139}, pages={2056-2065} }
In late 2006, ground-based photometry of {eta} Car plus the Homunculus showed an unexpected decrease in its integrated apparent brightness, an apparent reversal of its long-term brightening. Subsequent Hubble Space Telescope (HST)/WFPC2 photometry of the central star in the near-UV showed that this was not a simple reversal. This multi-wavelength photometry did not support increased extinction by dust as the explanation for the decrease in brightness. A spectrum obtained with the Gemini Multi… CONTINUE READING
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