- #1
Bernie G
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Does this neutron star have an accretion disk?:
https://en.wikipedia.org/wiki/IGR_J11014-6103#/media/File:Lighthouse_nebula.jpg
https://en.wikipedia.org/wiki/IGR_J11014-6103#/media/File:Lighthouse_nebula.jpg
|Glitch| said:There are 15 known Accreting Millisecond X-Ray Pulsars (AMXPs), and IGR J11014-6103 is not among them. Other sources suggest that the jets are the result of a rapidly rotating highly magnetic pulsar, but make no mention of an accretion disk.
Sources:
The long helical jet of the Lighthouse nebula, IGR J11014-6103 - Astronomy & Astrophysics, Volume 562, February 2014 (free access)
A closer view of the IGR J11014-6103 outflows - arXiv 1511.01944 (free reprint)/QUOTE]
Thank you. Does your third link work?
Where does the material in this jet originate from - the neutron star itself?
|Glitch| said:They make no mention of where the material for the jets originate, only that it is being generated by a rapidly rotating and highly magnetized neutron star. They have been able to confirm the helical pattern of the jets, and the trailing material perpendicular to the jets are the result of the bow-shock due to the star's supersonic velocity, but they fall short of stating whether or not the neutron star has an accretion disk. Considering they are not able to fully reproduce their observations in the models they have created suggests that they are either missing information, do not completely understand the nature of this neutron star, or both.
An accretion disk is a disk of gas and dust that forms around a compact object, such as a neutron star, due to the gravitational pull of the object. The gas and dust in the disk gradually spirals towards the object, releasing energy in the form of radiation.
An accretion disk around a neutron star is formed when material from a nearby companion star is pulled in by the neutron star's strong gravitational force. This material forms a disk-like structure around the neutron star as it spirals towards it.
Studying accretion disks around neutron stars can provide valuable insights into the physical processes and conditions in extreme environments. It can also help us understand the formation and evolution of neutron stars and their surrounding environments.
The presence of an accretion disk around a neutron star can be detected through various observational techniques, such as X-ray and radio telescopes. These techniques allow us to detect the radiation emitted from the disk and study its properties.
Yes, it is possible for neutron stars to have multiple accretion disks. This can happen in binary systems where the neutron star has multiple companion stars, or in situations where the neutron star undergoes multiple episodes of accretion from different sources.