Further spectroscopic observations of the CSL-1 object

@article{Sazhin2006FurtherSO,
  title={Further spectroscopic observations of the CSL-1 object},
  author={M. Sazhin and M. Capaccioli and G. Longo and M. Paolillo and O. S. Khovanskaya},
  journal={The Astrophysical Journal},
  year={2006},
  volume={636}
}
  • M. Sazhin, M. Capaccioli, +2 authors O. S. Khovanskaya
  • Published 2006
  • Physics
  • The Astrophysical Journal
  • CSL 1 is a peculiar object (R.A. = 12h23m305, decl. = -12°38'570 [J2000.0]) that, because of its photometric and spectroscopic properties, is possibly the first case of gravitational lensing by a cosmic string. In this Letter we present additional evidence, based on medium to high resolution VLT+FORS1 observations, that the spectra of the two components of CSL 1 are identical within a confidence level higher than 98% and that the velocity difference of the two components is consistent with zero… CONTINUE READING
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