Confirmation of Kcn in the Circumstellar Envelope of IRC+10216

Details Confirmation of Kcn in the Circumstellar Envelope of IRC+10216 Confirmation of Kcn in the Circumstellar Envelope of IRC+10216

Jun 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010mss..confewg03p&link_type=abstract

"International Symposium On Molecular Spectroscopy, 65th Meeting, Held 21-25 June, 2010 at Ohio State University. http://molspec

Astronomy and Astrophysics

Astronomy

Astronomical Species And Processes

Scientific paper

Over the past few years, there has been discussion about the presence of KCN in IRC+10216. To settle the issues on this matter, additional observations have been conducted for KCN and a definitive identification has been made. KCN is a T-shaped, closed shell asymmetric top. A total of ten rotational transitions have been searched for in the frequency range of 85-250 GHz using the Arizona Radio Observatory (ARO) 12m telescope on Kitt Peak and the Submillimeter Telescope (SMT) on Mt. Graham. Emission was detected at all transitions observed, with six blended features and four uncontaminated lines. Transitions for both the K_a=0 and K_a=1 levels were detected. Line intensities ranged from 0.6 mK to 2 mK. A few lines observed required integration times of 200 hours or more to achieve the necessary signal-to-noise ratio, demonstrating the stability of ALMA technology. KCN is the fifth metal cyanide/isocyanide identified in circumstellar gas, along with MgNC, MgCN, NaCN, and AlNC. Derived column densities and abundances will be reported and the significance of this detection will be discussed.

Affiliated with

Also associated with

No associations

Rating

Confirmation of Kcn in the Circumstellar Envelope of IRC+10216 does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Confirmation of Kcn in the Circumstellar Envelope of IRC+10216, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Confirmation of Kcn in the Circumstellar Envelope of IRC+10216 will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1594144