Hubble photographed the brightest supernova remnant in a nearby galaxy

The Hubble Space Telescope has created a colorful portrait of the deep space object DEM L 190. It was formed as a result of a supernova explosion.

Supernova remnant DEM L 190 (Hubble photo). Source: ESA/Hubble & NASA, S. Kulkarni, Y. Chu

DEM L 190 is located at a distance of 160 thousand light-years from Earth in the Large Magellanic Cloud (LMC), a dwarf galaxy that is a moon of our Milky Way. According to astronomers, this is the brightest supernova remnant in the LMC.

The resulting Hubble portrait shows a lot of interesting details of DEM L 190. The supernova remnant consists of many long filaments and thin layers of gas that glow brightly in orange and blue. Its edges are outlined by faint gas clouds. The remnant is surrounded by a few scattered blue and red stars, and in the background you can see a lot of small red stars.

The portrait of DEM L 190 was created on the basis of several series of observations made in different years using different instruments. The first portraits of DEM L 190 were made using the WFPC2 camera, which was installed on Hubble between 1993 and 2009. During the last telescope maintenance mission, it was replaced with a more advanced WFPC3, which then took a new picture of the supernova remnant. The data collected by the two cameras were then combined into a single image of the supernova remnant.

Earlier we talked about how a machine learning algorithm discovered a thousand supernovae.

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