University of Illinois Urbana-Champaign

THE EXCITATION, ABUNDANCE, AND DISTRIBUTION OF MgC₂ and CaC₂ IN IRC+10216

Gupta, Harshal

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7071.pdf
RI04_1.pptx

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https://hdl.handle.net/2142/122578

Description

Title
THE EXCITATION, ABUNDANCE, AND DISTRIBUTION OF MgC₂ and CaC₂ IN IRC+10216
Author(s)
Gupta, Harshal
Contributor(s)
  • Guélin, Michel
  • Tercero, Belén
  • Cabezas, Carlos
  • Agúndez, Marcelino
  • Pardo, Juan R.
  • Cernicharo, Jose
  • McCarthy, Michael C
  • Changala, Bryan
Issue Date
2023-06-22
Keyword(s)
Astronomy
Abstract
The laboratory and astronomical discovery of the mental dicarbides, MgC₂ and CaC₂, discussed in the preceding talk represents a key advance in the study of metal carbides and fills a longstanding gap in the molecular inventory of evolved carbon stars. In this talk we will discuss how characterizing the distribution of the two species in IRC+10216, together with a careful analysis of their excitation and abundance might help elucidate the role of metals in the chemistry of IRC+10216, and the state of refractory elements in carbon-rich circumstellar environments more generally. We will also discuss the utility of dicarbides as physico-chemical probesᵃ of circumstellar regions, as well as the prospects of detecting larger metal-carbon compounds there.
Publisher
International Symposium on Molecular Spectroscopy
Type of Resource
Text
Genre of Resource
Conference Paper / Presentation
Language
eng
Handle URL
https://hdl.handle.net/2142/122578
DOI
https://doi.org/10.15278/isms.2023.7071

Owning Collections

Abstracts & Presentations - 2023 International Symposium on Molecular Spectroscopy PRIMARY