We revisited the BeppoSAX observation of SAX J0635+0533, suggested as a possible counterpart to the gamma-ray source 2EG J0635+0521. We have discovered a 33.8 ms pulsation from the source and derived an improved position, consistent with the location of the Be star proposed as a binary companion. We interpret the periodicity as the spin period of a neutron star in a binary system with a Be companion.
CITATION STYLE
Cusumano, G., Maccarone, M. C., Nicastro, L., Sacco, B., & Kaaret, P. (2000). Detection of 33.8 Millisecond X-Ray Pulsations in SAX J0635+0533. The Astrophysical Journal, 528(1), L25–L28. https://doi.org/10.1086/312413
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