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| The Infrared Variability of GX17+2 and Low-Mass X-ray Binary Jets |
Bernard J. McNamara1, J. Bornak1, T. Harrison1, M. Rupen2
1New Mexico State Univ., 2NRAO. |
| Presentation Number: 003.09 |
| Facility Keywords:
RXTE, KPNO:2.1m |
| GX17+2 is a low-mass X-ray binary. It is also classified as a Z-source since it exhibits a distinctive Z-pattern in its X-ray color-color plot. GX17+2 is located in the direction of the galactic center and is not detectable at optical wavelengths. Its emission varies by over 4 magnitudes in the infrared. A number of explanations have been advanced to explain this variabilty. Based upon KPNO and Smarts IR observations, we suggest that it arises from a sychrotron jet which is periodically visible along our line of sight. This circumstance provides a rather unique opportunity to quantify a number of jet properties such as its opening angle, the sharpness of the jet boundaries, its variability, and the infrared emission uniformity across the jet. |
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