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Further Constraints on Thermal Quiescent X-ray Emission from SAX J1808.4-3658
C. O. Heinke, P. G. Jonker, R. Wijnands +2
We observed SAX J1808.4-3658 (1808), the first accreting millisecond pulsar, in deep quiescence with XMM-Newton and (near-simultaneously) Gemini-South. The X-ray spectrum of 1808 i…
Optical Observations of SAX J1808.4-3658 During Quiescence
C. J. Deloye, C. O. Heinke, R. E. Taam +1
We observed the accreting millisecond pulsar SAX J1808.4-3658 with Gemini-South in g' and i' bands, nearly simultaneous with XMM-Newton observations. A clear periodic flux modulati…
Accurate X-ray position and multiwavelength observations of the isolated neutron star RBS 1774
N. Rea, M. A. P. Torres, P. G. Jonker +7
We report on X-ray, optical, infrared and radio observations of the X-ray dim isolated neutron star (XDINS) 1RXS J214303.7+065419 (also known as RBS 1774). The X-ray observation wa…
Evidence for a jet contribution to the optical/infrared light of neutron star X-ray binaries
D. M. Russell, R. P. Fender, P. G. Jonker
Optical/near-infrared (optical/NIR; OIR) light from low-mass neutron star X-ray binaries (NSXBs) in outburst is traditionally thought to be thermal emission from the accretion disc…
The quasi-persistent neutron star soft X-ray transient 1M 1716-315 in quiescence
P. G. Jonker, C. G. Bassa, S. Wachter
We report on our analysis of a 20 ksec Chandra X-ray observation of the quasi-persistent neutron star soft X-ray transient (SXT) 1M1716-315 in quiescence. Only one source was detec…
Constraints on Thermal X-ray Radiation from SAX J1808.4-3658 and Implications for Neutron Star Neutrino Emission
C. O. Heinke, P. G. Jonker, R. Wijnands +1
Thermal X-ray radiation from neutron star soft X-ray transients in quiescence provides the strongest constraints on the cooling rates of neutron stars, and thus on the interior com…