Science, Space and Technology News 2023
This is the view of MSH 15-52 from Chandra X-ray observation. It doesn’t include the IXPE X-ray and infrared observations that are included in the composite image at the top of the article. Credit: X-ray: NASA/CXC/Stanford Univ./R. Romani et al. ; Image Processing: NASA/CXC/SAO/J. SchmidtIn a new composite image, Chandra data are seen in orange , green, and blue , while the diffuse purple represents the IXPE observations.
An additional X-ray image shows the magnetic field map in MSH 15-52. In this image, short straight lines represent IXPE polarization measurements, mapping the direction of the local magnetic field. Orange “bars” mark the most precise measurements, followed by cyan and blue bars with less precise measurements. The complex field lines follow the `wrist’, ‘palm’, and ‘fingers’ of the hand, and probably help define the extended finger-like structures.
Magnetic field map in MSH 15-52. Lines represent IXPE polarization measurements, mapping the direction of the local magnetic field. The length of the bars indicates the amount of polarization. Credit: X-ray: NASA/CXC/Stanford Univ./R. Romani et al. ; NASA/MSFC ; Infared: NASA/JPL-Caltech/DECaPS; Image Processing: NASA/CXC/SAO/J. SchmidtThe amount of polarization — indicated by bar length — is remarkably high, reaching the maximum level expected from theoretical work.
One particularly interesting feature of MSH 15-52 is a bright X-ray jet directed from the pulsar to the “wrist” at the bottom of the image. The new IXPE data reveal that the polarization at the start of the jet is low, likely because this is a turbulent region with complex, tangled magnetic fields associated with the generation of high-energy particles.
NASA’s Marshall Space Flight Center manages the Chandra program. The Smithsonian Astrophysical Observatory’s Chandra X-ray Center controls science operations from Cambridge, Massachusetts, and flight operations from Burlington, Massachusetts.SciTechDaily: Home of the best science and technology news since 1998. Keep up with the latest scitech news via email or social media.The map could help the agency decide where the first astronauts to the Red Planet should land.
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