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astro-ph.GA2026
Upper limit on HF(1-0) absorption in a dusty star-forming galaxy at : Constraints on early fluorine enrichment
Akiyoshi Tsujita, Chiaki Kobayashi, Yuki Yoshimura +10
Wolf-Rayet (WR) stars have recently attracted attention as possible drivers of early chemical enrichment, including the production of fluorine, whose nucleosynthetic origin remains…
astro-ph.GA2025
The LMT 2 millimeter receiver system (B4R). II. Science demonstration observations toward Orion-KL/OMC-1
Teppei Yonetsu, Ryohei Kawabe, Yuki Yoshimura +26
We present the results of mapping and single-point spectral scans toward Orion-KL/OMC-1 performed as science demonstrations of a 2 mm SIS receiver, the Band 4 Receiver (B4R), insta…
astro-ph.GA2024
Physical and Chemical Properties of Galactic Molecular Gas toward QSO J1851+0035
Kanako Narita, Seiichi Sakamoto, Jin Koda +2
ALMA data toward QSO J1851+0035 (=, =) were used to study absorption lines by Galactic molecular gas. We detected 17 species (CO, CO, C…