Ci in High-mass Star-forming Clouds

• Main Authors: A. R. Tieftrunk, K. Jacobs, C. L. Martin, O. Siebertz, A. A. Stark, J. Stutzki, C. K. Walker, G. A. Wright
• Other Authors: The Pennsylvania State University CiteSeerX Archives
• Format: Text
• Language: English
• Published: 2001
• Subjects: Orion; South Pole; South pole
• Online Access: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.314.8539; http://arxiv.org/pdf/astro-ph/0105176v1.pdf

Abstract. We report measurements of the 12 C / 13 C abundance ratio in the three galactic regions G 333.0-0.4, NGC 6334 A and G 351.6-1.3 from observations of the 12 Ci 3 P2 → 3 P1 transition and the hyperfine components of the corresponding 13 Ci transition near 809 GHz. These transitions were obse...