Neutron stars accreting the ISM: Are they fast or slow objects ?

Details Neutron stars accreting the ISM: Are they fast or slow objects ? Neutron stars accreting the ISM: Are they fast or slow objects ?

1998-02-12

arxiv.org/abs/astro-ph/9802155v1

Astronomy and Astrophysics

Astrophysics

5 pages including 2 postscript figures, to appear in the proceedings of Rome BeppoSax-RossiXTE meeting

Scientific paper

10.1016/S0920-5632(98)00219-9

Old neutron stars (ONSs) which have radiated away their internal and rotational energy may still shine if accreting the interstellar medium. Rather stringent limits from the analysis of ROSAT surveys indicate that most optimistic predictions on ONSs observability are in excess of a factor as large as $\sim 100$. Here we explore two possible evolutionary scenarios that may account for the paucity of ONSs. In the first it is assumed that the ONS population is not too fast ($V<100 km s^{-1}$) and that magnetic field decay guides the evolution. In the second, NSs move with high speed ($V>100$ km s$^{-1}$) and preserve their magnetic field at birth. We find that according to the former scenario most ONSs are now in the propeller phase, while in the latter nearly all ONSs are silent, dead pulsars.

Affiliated with

Also associated with

No associations

Rating

Neutron stars accreting the ISM: Are they fast or slow objects ? does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Neutron stars accreting the ISM: Are they fast or slow objects ?, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Neutron stars accreting the ISM: Are they fast or slow objects ? will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-59875