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NASA astronomers have a special news for us; they have discovered a new kind of neutron star out of the Milky Way galaxy. The data was provided by NASA’s Chandra X-ray Observatory and the European Southern Observatory’s Very Large Telescope (VLT) in Chile.
Neutron stars are the ultra-dense cores of massive stars that collapse and undergo a supernova explosion. This is the first time of this neutron star which is rare variety that has both a low magnetic field and no stellar companion.
The neutron star is located within the remains of a supernova which is known as “1E 0102.2-7219” (E0102 for short) – in the Small Magellanic Cloud, located 200,000 light years from Earth.
This new image of E0102 will allow scientists to learn new details about this object that was discovered more than three decades ago. In this image, X-rays from Chandra are blue and purple, and visible light data from VLT’s Multi Unit Spectroscopic Explorer (MUSE) instrument are bright red. Additional data from the Hubble Space Telescope are dark red and green.
“Chandra observations of E0102 show that the supernova remnant is dominated by a large ring-shaped structure in X-rays, associated with the blast wave of the supernova. The new MUSE data revealed a smaller ring of gas (in bright red) that is expanding more slowly than the blast wave. At the center of this ring is a blue point-like source of X-rays. Together, the small ring and point source act like a celestial bull’s eye” noticed NASA.
These 2 data together (Chandra and MUSE) shows that this source is an isolated neutron star, created in the supernova explosion about two millennia ago. Cassiopeia A (Cas A) and Puppis A. These two neutron stars also do not have companion stars.
The results of this issue was published in the paper of Nature Astronomy that is available online.
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