GX 9+9: VARIABILITY OF THE X-RAY ORBITAL MODULATION
Results of observations of the Galactic bulge X-ray source GX 9+9 by the All-Sky Monitor (ASM) and Proportional Counter Array (PCA) onboard the Rossi X-ray Timing Explorer are presented. The ASM results show that the 4.19 hr X-ray periodicity first reported by Hertz and Wood in 1987 was weak or not...
Main Authors: | , , , , , |
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Other Authors: | , , |
Format: | Article |
Language: | English |
Published: |
Institute of Physics/American Astronomical Society,
2015-03-27T18:43:26Z.
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Subjects: | |
Online Access: | Get fulltext |