Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998apj...493..884f&link_type=abstract
Astrophysical Journal v.493, p.884
Astronomy and Astrophysics
Astronomy
26
Stars: Pulsars: Individual Alphanumeric: Psr 1706-44, Stars: Neutron, X-Rays: Stars
Scientific paper
The young "Vela"-like neutron star PSR B1706-44 was imaged by both the HRI aboard ROSAT and the solid-state imaging spectrometers and gas imaging spectrometers aboard ASCA during a 6 month period in late 1994 and early 1995. The broadband data set, extending over two decades in energy, allowed a detailed spatial, spectral, and temporal study to be conducted. PSR B1706-44 is found embedded in a compact synchrotron nebula of physical size ~0.32 pc and displays the morphology characteristic of the other young neutron stars in the 104-105 yr age range. No pulsations at the radio period were detected in either the ROSAT or the ASCA data. The spectrum is well described by a power-law distribution, and the data are consistent with there being no spectral break from the radio through the soft X-ray band. The unpulsed TeV emission that has been observed from PSR B1706-44 can be reconciled with these observations if the TeV emission results from the up-scattering of background IR photons by the population of high-energy particles that produce the soft X-ray photons.
Finley John P.
Hiriyama Masaharu
Kamae Tuneyoshi
Saito Yoshitaka
Srinivasan Radhika
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