CO(1-0) line emission observations of planetary nebulae.

Details CO(1-0) line emission observations of planetary nebulae. CO(1-0) line emission observations of planetary nebulae.

Apr 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998acaps..18..217s&link_type=abstract

Acta Astrophys. Sin., Vol. 18, No. 2, p. 217 - 221

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Planetary Nebulae: Carbon Monoxide

Scientific paper

The authors present new observations of CO(1-0) line emission in ten planetary nebulae with the 13.7 m telescope of the Purple Mountain Observatory at the Qinghai Station, including the first CO(1-0) observations of NGC 6445, M1-59, M4-9 and M2-51 which have already been observed in CO(2-1), and the first confirmed detections in CO for Sh2-71 and M4-18 which have not been detected in previous CO surveys. The others, V-V1-8, M2-52, He2-459 and K3-31 are newly detected planetary nebulae with CO(1-0) emission. From the CO spectra, the authors suggest that V-V1-8 is an object misclassified as a planetary nebula.

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