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Synergy of multifrequency studies from observations of NGC6334I
Andreas Seifahrt, Sven Thorwirth, Henrik Beuther +5
We combine multifrequency observations from the millimeter to near infrared wavelengths that demonstrate the spatial distributions of H2, CO, and NH3 emission, which are all manife…
Submillimeter water and ammonia absorption by the peculiar z~0.89 interstellar medium in the gravitational lens of the PKS 1830-211 system
K. M. Menten, R. Guesten, S. Leurini +5
Using the Atacama Pathfinder Experiment (APEX) telescope we have detected the rotational ground-state transitions of ortho-ammonia and ortho-water toward the redshift ~0.89 absorbi…
Molecules in G1.6-0.025 - 'Hot' Chemistry in the Absence of Star Formation at the Periphery of the Galactic Center Region
Karl M. Menten, Robert W. Wilson, Silvia Leurini +1
We present molecular line mapping of the Giant Molecular Cloud G1.6-0.025, which is located at the high longitude end of the Central Molecular Zone of our Galaxy. We assess the deg…
Detection of 6.7 GHz methanol absorption towards hot corinos
J. D. Pandian, S. Leurini, K. M. Menten +2
Methanol masers at 6.7 GHz have been found exclusively towards high-mass star forming regions. Recently, some Class 0 protostars have been found to display conditions similar to wh…
Unveiling a Compact Cluster of Massive and Young Stars in IRAS 17233-3606
Luis A. Zapata, Silvia Leurini, Karl M. Menten +3
We have analyzed sensitive high spatial resolution archival radio continuum data at 1.3, 2.0, 3.6 and 6.0 cm as well as the H2O maser molecular line data obtained using the Very La…
High mass star formation in the IRAS 17233-3606 region: a new nearby and bright hot core in the southern sky
S. Leurini, C. Hieret, S. Thorwirth +5
We present molecular line observations of the massive star forming region IRAS 17233-3606 aimed at studying the molecular core associated with the source. The observations were mad…
Spectral imaging of the Sagittarius B2 region in multiple 3-mm molecular lines with the Mopra telescope
P. A. Jones, M. G. Burton, M. R. Cunningham +6
Using the Mopra telescope, we have undertaken a 3-mm spectral-line imaging survey of a 5 x 5 arcmin^2 area around Sgr B2. We covered almost the complete spectral the range from 81.…