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A forgotten episode of the $η~Car$ light curve in 1860-1865

We have found previously unreported observations of the galactic Luminous Blue Variable $η~Car$ covering the period 1860-1865. Contrary to the current belief, these data suggest that the star reached the first magnitude in 1860-1862, with possible large luminosity fluctuations, followed by a steep fading in 1865. A revised historical light curve of this most interesting object is given. Paper in press in Astronomy and Astrophysics.

preprint1993arXivOpen access
V. F. PolcaroR. Viotti
astro-ph
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Open access2 authors1 topic
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V. F. PolcaroR. Viotti

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