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HDE 269810

HDE 269810 or R122 in the Large Magellanic Cloud is a blue star of huge mass. In 1995 it was estimated to be 190 times more massive as the Sun and aimed for the title of the most massive known star. Admittedly more likely is about 150 solar masses.
The star shows heavy eruptions and a high mass loss rate.

Constellation: Dorado
Distance: 170 000 light-years
Spectral class: O3
Luminosity: 2.2 million * Sun
Mass: 130 - 190 * Sun
Diameter: 18.5 * Sun

Back: List of big and giant stars part 2

11/22/2006

    HDE 269810
Photo: ESO Online Digitized Sky Survey

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