Detection of 33.8 millisecond X-ray pulsations in SAX J0635+0533

被引:30
作者
Cusumano, G
Maccarone, MC
Nicastro, L
Sacco, B
Kaaret, P
机构
[1] CNR, Ist Fis Cosm Con Applicaz Informat, I-90146 Palermo, Italy
[2] Harvard Smithsonian Ctr Astrophys, Cambridge, MA 02138 USA
关键词
gamma rays : observations; pulsars : general; stars : individual (2EG J0635+0521; SAX J0635+0533); stars : neutron; X-rays : stars;
D O I
10.1086/312413
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
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.
引用
收藏
页码:L25 / L28
页数:4
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