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Dynamical Masses of Young Stars Inferred from Two Transitions of CO with ALMA
Pranav H. Premnath, Ya-Lin Wu, Brendan P. Bowler +1
Stellar masses are fundamental but often difficult to measure. Thanks to the Atacama Large Millimeter Array (ALMA) and , dynamical masses of pre-main sequence stars can be pr…
Kinematic Analysis of a Protostellar Multiple System: Measuring the Protostar Masses and Assessing Gravitational Instability in the Disks of L1448 IRS3B and L1448 IRS3A
Nickalas K. Reynolds, John J. Tobin, Patrick D. Sheehan +7
We present new Atacama Large Millimeter/submillimeter Array (ALMA) observations towards a compact (230~au separation) triple protostar system, L1448 IRS3B, at 879~\micron with \con…
The VLA/ALMA Nascent Disk and Multiplicity (VANDAM) Survey of Orion Protostars IV. Unveiling the Embedded Intermediate-Mass Protostar and Disk within OMC2-FIR3/HOPS-370
John J. Tobin, Patrick Sheehan, Nickalas Reynolds +13
We present ALMA (0.87~mm and 1.3~mm) and VLA (9~mm) observations toward the candidate intermediate-mass protostar OMC2-FIR3 (HOPS-370; L~314~L) at 0.1" (40~…
Constraining the Chemical Signatures and the Outburst Mechanism of the Class 0 Protostar HOPS 383
Rajeeb Sharma, John J. Tobin, Patrick D. Sheehan +5
We present observations toward HOPS 383, the first known outbursting Class 0 protostar located within the Orion molecular cloud using ALMA, VLA, and SMA. The SMA observations revea…
ALMA Observations of Young Eruptive Stars: continuum disk sizes and molecular outflows
Antonio S. Hales, Sebastián Pérez, Camilo Gonzalez-Ruilova +7
We present Atacama Large Millimeter/submillimeter Array (ALMA) 1.3 mm observations of four young, eruptive star-disk systems at 0.4" resolution: two FUors (V582 Aur and V900 Mon),…
ALMA 0.88 mm Survey of Disks around Planetary-mass Companions
Ya-Lin Wu, Brendan P. Bowler, Patrick D. Sheehan +6
Characterizing the physical properties and compositions of circumplanetary disks can provide important insights into the formation of giant planets and satellites. We report ALMA 0…