Analysis of Radio Astronomical Data of the Negative Ion C6H- in IRC +10 216

Details Analysis of Radio Astronomical Data of the Negative Ion C6H- in IRC +10 216 Analysis of Radio Astronomical Data of the Negative Ion C6H- in IRC +10 216

May 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007apj...661l..61k&link_type=abstract

The Astrophysical Journal, Volume 661, Issue 1, pp. L61-L64.

Astronomy and Astrophysics

Astronomy

13

Astrochemistry, Ism: Molecules, Stars: Agb And Post-Agb, Stars: Individual (Irc +10 216)

Scientific paper

Radio astronomical data of C6H- observed with the Nobeyama 45 m and IRAM 30 m telescopes have been analyzed by the local thermodynamic equilibrium approximation to give the column density of (6.1-8.0) × 1012 cm-2 and the excitation temperature of 32+/-3 K, with an assumed source size of 30''+/-3''. The abundance of C6H- was estimated to be 8.6% of C6H. The observed line shapes of C6H - and C6H indicate that the distribution of C 6H- is more present in the inner region than C6H. The production mechanism of C6H- is discussed.

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