The second detection of CO at redshift larger than 4

@inproceedings{Guilloteau1997TheSD,
  title={The second detection of CO at redshift larger than 4},
  author={St{\'e}phane Guilloteau and Alain Omont and Richard G. P. McMahon and Pierre Cox and Patrick Petitjean},
  year={1997}
}
We report the detection with the IRAM interferometer at 3 mm of J=5-4 CO line in the radio quiet quasar BRI 1335-0415 at redshift of z = 4.41. After BR 1202-0725 at z = 4.69 (Ohta et al. 1996, Omont et al. 1996a), this is the second detection of CO at z > 3. The integrated line intensity is 2.8± 0.3 Jy km s−1 with a linewidth of 420±60 km s−1. The dust continuum emission has also been mapped at 1.35 mm. The 1.35 mm flux is found to be 5.6±1.1 mJy. The ratio of the CO to 1.35 mm continuum flux… CONTINUE READING

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