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Protostellar Outflow Heating in a Growing Massive Protocluster
Ke Wang, Qizhou Zhang, Yuefang Wu +2
The dense molecular clump P1 in the infrared dark cloud (IRDC) complex G28.34+0.06 harbors a massive protostellar cluster at its extreme youth. Our previous Submillimeter Array (SM…
Unveiling the physical properties and kinematics of molecular gas in the Antennae Galaxies (NGC 4038/9) through high resolution CO (J = 3-2) observations
Junko Ueda, Daisuke Iono, Glen Petitpas +12
We present a ~ 1" (100 pc) resolution 12CO (3-2) map of the nearby intermediate stage interacting galaxy pair NGC 4038/9 (the Antennae galaxies) obtained with the Submillimeter Arr…
The Origin of OB Clusters: From 10 pc to 0.1 pc
Hauyu Baobab Liu, Guillermo Quintana-Lacaci, Ke Wang +4
We observe the 1.2 mm continuum emission around the OB cluster forming region G10.6-0.4, using the IRAM 30m telescope MAMBO-2 bolometer array and the Submillimeter array. Compariso…
Intermediate-mass hot cores at 500 AU: disks or outflows?
Aina Palau, Asuncion Fuente, Josep M. Girart +12
Observations with the Plateau de Bure Interferometer in the most extended configuration toward two intermediate-mass star-forming regions, IRAS22198+6336 and AFGL5142, reveal the p…
Structure of the hot molecular core G10.47+0.03
Rainer Rolffs, Peter Schilke, Qizhou Zhang +1
The physical structure of hot molecular cores, where forming massive stars have heated up dense dust and gas, but have not yet ionized the molecules, poses a prominent challenge in…
Dissecting a hot molecular core: The case of G31.41+0.31
R. Cesaroni, M. T. Beltrán, Q. Zhang +2
We made a detailed observational analysis of a well known hot molecular core lying in the high-mass star-forming region G31.41+0.31. This core is believed to contain deeply embedde…
Hierarchical Fragmentation and Jet-like Outflows in IRDC G28.34+0.06, a Growing Massive Protostar Cluster
Ke Wang, Qizhou Zhang, Yuefang Wu +1
We present Submillimeter Array (SMA) λ= 0.88mm observations of an infrared dark cloud (IRDC) G28.34+0.06. Located in the quiescent southern part of the G28.34 cloud, the region of…
IRDC G030.88+00.13: A Tale of Two Massive Clumps
Qizhou Zhang, Ke Wang
Massive stars (M $\gsim 10$ \msun) form from collapse of parsec-scale molecular clumps. How molecular clumps fragment to give rise to massive stars in a cluster with a distribution…
An Overall Picture of the Gas Flow In Massive Cluster Forming Region: The Case of G10.6-0.4
Hauyu Baobab Liu, Qizhou Zhang, Paul T. P. Ho
The massive clump G10.6-0.4 is an OB cluster forming region, in which multiple UC HII regions have been identified. In the present study, we report arcsecond resolution observation…
A High Mass Dusty Disk Candidate: The Case of IRAS 18151-1208
Cassandra Fallscheer, Henrik Beuther, Jürgen Sauter +2
Many questions remain regarding the properties of disks around massive prototstars. Here we present the observations of a high mass protostellar object including an elongated dust…