Astronomy and Astrophysics – Astrophysics
Scientific paper
2000-05-22
Astronomy and Astrophysics
Astrophysics
5 pages plus 1 ps figure. Accepted for publication on ApJ Letters
Scientific paper
10.1086/312765
We report on a 20 ks BeppoSAX observation of the transient 2.5 ms X-ray pulsar SAX J1808.4-3658 in its quiescent state. A source at a level of ~ 3 x 10^-3 c/s was detected with the BeppoSAX/MECS at a position consistent with that of SAX J1808.4-3658. The inferred 0.5-10 keV luminosity was to that measured from other quiescent low mass X-ray transients hosting an old neutron star. This result is discussed in the light of the propeller and radio pulsar shock emission models for the quiescent emission of these systems.
Campana Sergio
Israel Gian Luca
Mereghetti Sandro
Ricci Damian
Stella Luigi
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