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Observations of Orion Source I Disk and Outflow Interface
Melvyn Wright, Richard Plambeck, Tomoya Hirota +4
We imaged the continuum and molecular line emission from Orion Source I (SrcI) with up to 30 mas (12 AU) resolution at 43, 99, 223, and 340 GHz in an attempt to probe the structure…
6.7 GHz CH3OH absorption towards the N3 Galactic Center point-source
Natalie Butterfield, Adam Ginsburg, Dominic Ludovici +4
We present evidence of 6.7 GHz methanol (CH3OH)~and 4.8 GHz formaldehyde (H2CO) absorption towards the Galactic Center (GC) point-source `N3'. Both absorption features are unresolv…
First detection of CS masers around a high-mass young stellar object, W51 e2e
Adam Ginsburg, Ciriaco Goddi
We report the discovery of maser emission in the two lowest rotational transitions of CS toward the high-mass protostar W51 e2e with ALMA and the JVLA. The masers from CS J=1-0 and…
A Census of Early Phase High-Mass Star Formation in the Central Molecular Zone
Xing Lu, Elisabeth A. C. Mills, Adam Ginsburg +13
We present new observations of C-band continuum emission and masers to assess high-mass (8 ) star formation at early evolutionary phases in the inner 200 pc of the Cent…
KFPA Examinations of Young STellar Object Natal Environments (KEYSTONE): Hierarchical Ammonia Structures in Galactic Giant Molecular Clouds
Jared Keown, James Di Francesco, Erik Rosolowsky +23
We present initial results from the K-band focal plane array Examinations of Young STellar Object Natal Environments (KEYSTONE) survey, a large project on the 100-m Green Bank Tele…
The CARMA-NRO Orion Survey: Core Emergence and Kinematics in the Orion A Cloud
Shuo Kong, Héctor G. Arce, Anneila I. Sargent +19
We have investigated the formation and kinematics of sub-mm continuum cores in the Orion A molecular cloud. A comparison between sub-mm continuum and near infrared extinction shows…