69 citations · 695 across the 51 of their papers we have counts for
6 papers · 1 filter
Dynamic Massive Star Formation: Radio Flux Variability in UCHII Regions
A. Y. Yang, M. A. Thompson, J. S. Urquhart +7
Context: Theoretical models of early accretion during the formation process of massive stars have predicted that HII regions exhibit radio variability on timescales of decades. How…
A global view on star formation: The GLOSTAR Galactic plane survey. XI. Radio source catalog IV: , and
S. -N. X. Medina, S. A. Dzib, J. S. Urquhart +17
The GLOSTAR survey studies star formation with the VLA and the Effelsberg 100m telescope in the Galactic plane (-2d<l<60d; |b|<1d) and the Cygnus X region with unprecedented sensit…
Hyperfine structure of the methanol molecule as traced by Class I methanol masers
I. I. Agafonova, O. S. Bayandina, Y. Gong +9
We present results on simultaneous observations of Class~I methanol masers at 25, 36, and 44 GHz towards 22 Galactic targets carried out with the Effelsberg 100-m telescope. The st…
A global view on star formation: The GLOSTAR Galactic plane survey X. Galactic HII region catalog using radio recombination lines
S. Khan, M. R. Rugel, A. Brunthaler +17
Studies of Galactic HII regions are of crucial importance for studying star formation and the evolution of the interstellar medium. Gaining an insight into their physical character…
Kinetic temperature of massive star-forming molecular clumps measured with formaldehyde V. The massive filament DR21
X. Zhao, X. D. Tang, C. Henkel +18
The kinetic temperature structure of the massive filament DR21 has been mapped using the IRAM 30 m telescope. This mapping employed the para-HCO triplet ( = 3$_…
Discovery of widespread non-metastable ammonia masers in the Milky Way
Y. T. Yan, C. Henkel, K. M. Menten +8
We present the results of a search for ammonia maser emission in 119 Galactic high-mass star-forming regions (HMSFRs) known to host 22 GHz HO maser emission. Our survey has led…