Does this neutron star have an accretion disk?

In summary, sources suggest that the jets of IGR J11014-6103 are the result of a rapidly rotating highly magnetic pulsar, but they do not mention an accretion disk.
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  • #2
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  • #3
|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?
 
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  • #4
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.

I'm not sure what happened with the last URL I posted. Here it is again:

A closer view of the IGR J11014-6103 outflows - arXiv 1511.01944 (free reprint)
 
  • #5
|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.

Maybe it’s a not untypical young neutron star that is a good observation candidate because its not obscured by explosion debris or an accretion cloud. Likely its had the jet since it was formed, and if there is no accretion cloud it means the jet material is coming directly from the star: There’s an unclear theory about “rotation powered” jets that doesn’t make great sense …… somehow a spinning magnetic field is supposed to suck up material from the poles at >0.8c?
 

Related to Does this neutron star have an accretion disk?

1. What is an accretion disk?

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.

2. How is an accretion disk formed around a neutron star?

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.

3. What is the purpose of studying accretion disks around neutron stars?

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.

4. How can we detect the presence of an accretion disk around a neutron star?

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.

5. Can neutron stars have multiple accretion disks?

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.

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