Detection of 33.8 Millisecond X-Ray Pulsations in SAX J0635+0533 | Zendy

G. Cusumano | Zendy; M. C. Maccarone | Zendy; L. Nicastro | Zendy; B. Sacco | Zendy; P. Kaaret | Zendy

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Detection of 33.8 Millisecond X-Ray Pulsations in SAX J0635+0533

Author(s) -

G. Cusumano,

M. C. Maccarone,

L. Nicastro,

B. Sacco,

P. Kaaret

Publication year - 2000

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/312413

Subject(s) - neutron star , millisecond , physics , astrophysics , binary number , x ray binary , astronomy , position (finance) , x ray , nuclear physics , mathematics , finance , economics , arithmetic

We revisited the BeppoSAX observation of SAX J0635+0533, which was 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.

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