A Search for Laser Emission with Megawatt Thresholds from 5600 FGKM Stars

@article{Tellis2017ASF,
  title={A Search for Laser Emission with Megawatt Thresholds from 5600 FGKM Stars},
  author={Nate K. Tellis and G. Marcy},
  journal={arXiv: Instrumentation and Methods for Astrophysics},
  year={2017}
}
We searched high resolution spectra of 5600 nearby stars for emission lines that are both inconsistent with a natural origin and unresolved spatially, as would be expected from extraterrestrial optical lasers. The spectra were obtained with the Keck 10-meter telescope, including light coming from within 0.5 arcsec of the star, corresponding typically to within a few to tens of au of the star, and covering nearly the entire visible wavelength range from 3640 to 7890 angstroms. We establish… Expand
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