It looks like you're using an Ad Blocker.
Please white-list or disable AboveTopSecret.com in your ad-blocking tool.
Thank you.
Some features of ATS will be disabled while you continue to use an ad-blocker.
PhysOrg.com) -- Amsterdam astronomers have discovered a neutron star that confounds existing models for thermonuclear explosions in such extreme objects. In the case of the accreting pulsar IGR J17480-2446, it seems to be a strong magnetic field that causes some parts of the star to burn more brightly than the rest. The results of the study, by Yuri Cavecchi et al. (2011), are to be published in the journal Astrophysical Journal Letters.
Instead, the astronomers think that the magnetic field of the star might explain the uneven burning. The exploding gas expands, moving upwards and outwards. This churns up the magnetic field, which acts like an elastic band to prevent the burning bubble from spreading any further. “More theoretical work is needed to confirm this, but in the case of J17480 it is a very plausible explanation for our observations”, says lead author Yuri Cavecchi (University of Amsterdam, the Netherlands).
gas can build up on the neutron star surface and explode in a fast, high-energy thermonuclear reaction. Normally, the entire surface of the star explodes uniformly
The article doesn't say it doesn't fit their theoretical model. In fact it says they already have a pretty good idea of the cause in this case, they just need to confirm it:
Originally posted by CaptChaos
It's nonsense. There is no such thing as a neutron star, except in theoretical computer simulations. This proves it is nonsense, since it does not fit their theoretical model.
Note that the article also states that the old model might still apply to stars with weaker magnetic fields. I guess they just didn't anticipate this unique effect from a stronger magnetic field.
Instead, the astronomers think that the magnetic field of the star might explain the uneven burning. The exploding gas expands, moving upwards and outwards. This churns up the magnetic field, which acts like an elastic band to prevent the burning bubble from spreading any further. “More theoretical work is needed to confirm this, but in the case of J17480 it is a very plausible explanation for our observations”, says lead author Yuri Cavecchi (University of Amsterdam, the Netherlands).
Co-author Anna Watts (University of Amsterdam) stressed that their new model may not necessarily explain non-uniform burning for all stars. “The new mechanism may only work in stars like this one, with magnetic fields that are strong enough to stop the flame front from spreading. For other stars with this odd burning behavior, the old models might still apply.”