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JEM-X observations of the Be/X-ray binary EXO 2030+375
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JEM-X observations of the Be/X-ray binary EXO 2030+375
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| Martinez Nuñez, Silvia; Reig Torres, Pablo; Blay Serrano, Pedro Jose; Kretschmar, P.; Lund, N.; Reglero Velasco, Victor | |||
| Aquest document és un/a article, creat/da en: 2003 | |||
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| We have used data from the Joint European Monitor (JEM-X) to perform an X-ray spectral and timing analysis of the 42-s transient pulsar EXO 2030+375 during an X-ray outburst. X-ray pulsations are clearly detected with an average pulse period of 41:66 +- 0:05 s and an average pulse fraction of 60%. The profile of the energy spectrum did not change appreciably throughout the X-ray outburst, although the source shows a slightly softer spectrum during periastron passage in the energy range 9–25 keV. The 5–25 keV X-ray luminosity changed by a factor of 2 throughout the observations, reaching a maximum value of 3x10^36 erg s^−1. These observations allowed us to verify the in-flight instrumental properties of the JEM-X Monitor. | |||
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