A MID-INFRARED COUNTERPART TO THE MAGNETAR 1E 2259+586

@article{Kaplan2009AMC,
  title={A MID-INFRARED COUNTERPART TO THE MAGNETAR 1E 2259+586},
  author={David L. Kaplan and Deepto Chakrabarty and Zhongxiang Wang and Stefanie Wachter},
  journal={The Astrophysical Journal},
  year={2009},
  volume={700},
  pages={149-154}
}
We report the discovery of a 4.5μm counterpart to the anomalous X-ray pulsar (magnetar) 1E 2259+586 with the Spitzer Space Telescope. The mid-infrared flux density is 6.3 ± 1.0μJy at 4.5μm and <20 μJy (at 95% confidence) at 8μm, or 0.02% of the 2–10 keV X-ray flux (corrected for extinction). Combining our Spitzer measurements with previously published near-infrared data, we show that the overall infrared emission from 1E 2259+586 is qualitatively similar to that from the magnetar 4U 0142+61… 

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