6 papers
First Trigonometric Parallax Measurements with the KVN and VERA Array (KaVA)
Nobuyuki Sakai, Daisuke Sakai, Noriyuki Kawaguchi +26
To demonstrate the astrometric capability of the combined Korean VLBI (Very Long Baseline Interferometry) Network (KVN) and VLBI Exploration of Radio Astrometry (VERA) Array (KaVA)…
ALOHA IRDCs Molecular Line Follow-up: I. Gas properties and kinematics
Jinjin Xie, Yaoting Yan, Zhiyuan Ren +109
Infrared Dark Clouds are ideal sites for investigating the initial conditions of massive star and cluster formation. The A Lei Of the Habitat and Assembly of Infrared Dark Clouds (…
Fast variability and circular polarization of the 6.7 GHz methanol maser in G33.6410.228
Kenta Fujisawa, Yui Sugiura, Yuta Kojima +5
The 6.7 GHz methanol maser in a high-mass star-forming region G33.6410.228 is known to exhibit burst-like flux variability due to an unknown mechanism. To investigate the burst…
Detection of OH maser emission in the 71-year periodic comet 12P/Pons-Brooks using the 40-m Thai National Radio Telescope (TNRT)
Nobuyuki Sakai, Saran Poshyachinda, Koichiro Sugiyama +44
Although the optical cometary database is extensive, the radio database is limited. The 18-cm OH maser observations of comets allow us to determine (i) the production rate of OH ($…
3D Maser polarization simulation for J=1-0 SiO masers in the circumstellar envelope of an AGB star
M. Phetra, M. D. Gray, K. Asanok +4
SiO masers from AGB stars exhibit variability in intensity and polarization during a pulsation period. This variability is explained by radiative transfer and magnetic properties o…
JCMT 850 $\micron$ continuum observations of density structures in the G35 molecular complex
Xianjin Shen, Hong-Li Liu, Zhiyuan Ren +32
Filaments are believed to play a key role in high-mass star formation. We present a systematic study of the filaments and their hosting clumps in the G35 molecular complex using JC…