New CO and CI Measurements of the Cloverleaf Quasar

Details New CO and CI Measurements of the Cloverleaf Quasar New CO and CI Measurements of the Cloverleaf Quasar

Dec 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994aas...185.1816b&link_type=abstract

American Astronomical Society, 185th AAS Meeting, #18.16; Bulletin of the American Astronomical Society, Vol. 26, p.1340

Astronomy and Astrophysics

Astronomy

1

Scientific paper

New observations of the Cloverleaf, the gravitationally lensed broad absorption line quasar at z = 2.56, have been conducted using the IRAM 30-m telescope at Pico Veleta. In addition to the CO J=3-2 line previously reported (Barvainis et al 1994, Nature 371, 586), we now have detections of the J=4-3 and J=7-6 lines of CO and an upper limit on (13) CO(3-2). We also solidly detected the fine structure line of carbon, CI((3P_1) - (3P_0) ), and have a probable detection of CI((3P_2) - (3P_1) ). These data will be presented along with preliminary interpretation of the CO line ratios and implications of the CI lines.

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