Low X-ray Efficiency of a Young High-B Pulsar PSR J1208−6238 Observed with Chandra
Astrophysics and Space Science, ISSN: 1572-946X, Vol: 365, Issue: 11
2020
- 3Citations
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Article Description
High magnetic field (high-B) pulsars are key sources to bridge magnetars and conventional rotation powered pulsars, and thus to understand the origin of magnetar activities. We have estimated a tight upper limit on the X-ray flux of one of the youngest high-B pulsars PSR J1208−6238 for the first time; a Chandra 10 ks observation shows no significant source. Depending on the emission models, we have the 3σ upper limit on the intrinsic 0.5–7 keV flux to 2.2–10.0× 10 erg s cm. Assuming the distance to the pulsar to be 3 kpc, we suggest that the conversion efficiency from the spin-down energy to the X-ray luminosity of this pulsar is almost the smallest among known high-B pulsars, and even smaller for those for a typical rotation-powered one. We also discuss possible associations of a surrounding pulsar wind nebula and a hosting supernova remnant around this high-B pulsar.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85096105075&origin=inward; http://dx.doi.org/10.1007/s10509-020-03891-6; http://link.springer.com/10.1007/s10509-020-03891-6; http://link.springer.com/content/pdf/10.1007/s10509-020-03891-6.pdf; http://link.springer.com/article/10.1007/s10509-020-03891-6/fulltext.html; https://dx.doi.org/10.1007/s10509-020-03891-6; https://link.springer.com/article/10.1007/s10509-020-03891-6
Springer Science and Business Media LLC
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