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Pismis 24-1

Pismis 24-1, also known as HD 319718, is the brightest star of the open cluster Pismis 24 within the nebula NGC 6357 about 6,500 light-years away. It was once thought to be the most massive star known, but is composed of at least three individual objects, each still among the most luminous and most massive stars known. The two components of Pismis 24-1NE cannot be detected separately, but analysis of their eclipses shows that they are almost identical, with temperatures around 42,000 K. The pair combined is nearly 800,000 times as luminous as the sun, The Hubble F606 filter was mapped to Gold and the F814 filter was mapped to Green to produce the separation between glowing gas (yellow green) and dust (blue green) Image produced from raw data downloaded from MAST: the Barbara A. Mikulski Archive for Space Telescopes Original image by ESA/Hubble, alignment, integration and colour mapping by Arc Fortnight.

Image dimensions: 3654 x 2650 pixels

Pismis 24-1

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Pismis 24-1

Pismis 24-1, also known as HD 319718, is the brightest star of the open cluster Pismis 24 within the nebula NGC 6357 about 6,500 light-years away. It was once thought to be the most massive star known, but is composed of at least three individual objects, each still among the most luminous and most massive stars known. The two components of Pismis 24-1NE cannot be detected separately, but analysis of their eclipses shows that they are almost identical, with temperatures around 42,000 K. The pair combined is nearly 800,000 times as luminous as the sun, The Hubble F606 filter was mapped to Gold and the F814 filter was mapped to Green to produce the separation between glowing gas (yellow green) and dust (blue green) Image produced from raw data downloaded from MAST: the Barbara A. Mikulski Archive for Space Telescopes Original image by ESA/Hubble, alignment, integration and colour mapping by Arc Fortnight.

Image dimensions: 3654 x 2650 pixels

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