The Crab Nebula Looks Completely Different in X-Rays, Revealing its Magnetic Fields universetoday storybywill
Hubble image of the Crab Nebula supernova remnant captured with the Wide Field and Planetary Camera 2 . Credit: NASA, ESA, J. Hester and A. Loll The Crab Nebula has been a favorite object of study among astronomers and astrophysicists for decades. Known as a “pulsar wind nebula,” the object is a rotating and pulsating neutron star surrounded by a mass of gas and dust. The interaction between the two leads to shock waves, high-energy light and particles, and a chaotic magnetic field.
This included wisp-like structures moving inside the nebula that helped scientists gain a new understanding of how the pulsar’s energy and X-ray emissions are related. The Crab Nebula has also been studied by every large telescope deployed since, including Hubble and Spitzer . But it is only the IXPE that has the necessary sensitivity and instruments to measure the nebula’s X-ray emissions and the polarization of its magnetic fields.
. However, contrary to their expectations, the science team noted that certain areas of magnetic field turbulence were more patchy and asymmetrical. “This is a clear indication that even the more complex models developed in the past, with the use of advanced numerical techniques, do not fully capture the complexity of this object,” said Niccolò Bucciantini.
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