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Article
Warm HCN, C2H2, and CO in the Disk of GV Tau
The Astrophysical Journal (2007)
  • Erika Gibb, University of Missouri-St. Louis
  • K. A. Van Brunt, University of Missouri–St. Louis
  • S. D. Brittain, Clemson University
  • T W Rettig
Abstract
We present the first high-resolution, ground-based observations of HCN and C2H2 toward the T Tauri binary star system GV Tau. We detected strong absorption due to HCN ν3 and weak C2H2 [ν3 and ν2 + (ν4 + ν5)img1.gif] absorption toward the primary (GV Tau S) but not the infrared companion. We also report CO column densities and rotational temperatures, and present abundances relative to CO of HCN/CO ~ 0.6% and C2H/CO ~ 1.2% and an upper limit for CH4/CO < 0.37% toward GV Tau S. Neither HCN nor C2H2 were detected toward the infrared companion, and results suggest that abundances may differ between the two sources.
Publication Date
May 10, 2007
DOI
10.1086/513502
Citation Information
Erika Gibb, K. A. Van Brunt, S. D. Brittain and T W Rettig. "Warm HCN, C2H2, and CO in the Disk of GV Tau" The Astrophysical Journal Vol. 660 Iss. 2 (2007) p. 1572 - 1579
Available at: http://works.bepress.com/erika-gibb/103/