107 citations · 241 across the 11 of their papers we have counts for
8 papers · 1 filter
Unveiling Dominant Toroidal Magnetic Fields in a Protostellar Outflow
Tao-Chung Ching, Zhi-Yun Li, Qizhou Zhang +6
Magnetic fields play a fundamental role in the formation of protostellar winds. In the magneto-centrifugal models, poloidal magnetic fields launch winds from accretion disks, and f…
Mid-infrared extinction curve for protostellar envelopes from JWST-detected embedded jet emission: the case of TMC1A
K. D. Assani, Z. -Y. Li, J. P. Ramsey +15
Context: Dust grains are key components of the interstellar medium and play a central role in star formation, acting as catalysts for chemical reactions and as building blocks of p…
The Asymmetric Bipolar Fe II Jet and H2 Outflow of TMC1A Resolved with JWST's NIRSpec IFU
Korash Assani, Daniel Harsono, Jon Ramsey +10
(abridged) Protostellar outflows exhibit large variations in their structure depending on the observed gas emission. This study analyzes the atomic jet and molecular outflow in the…
On the importance of disc chemistry in the formation of protoplanetary disc rings
C. A. Nolan, B. Zhao, P. Caselli +1
Radial substructures have now been observed in a wide range of protoplanetary discs (PPDs), from young to old systems, however their formation is still an area of vigorous debate.…
Detection of Irregular, Sub-mm Opaque Structures in the Orion Molecular Clouds: Protostars within 10000 years of formation?
Nicole Karnath, S. T. Megeath, John Tobin +10
We report ALMA and VLA continuum observations that potentially identify the four youngest protostars in the Orion Molecular Clouds taken as part of the Orion VANDAM program. These…
A high-velocity bulge RR Lyrae variable on a halo-like orbit
Andrea Kunder, R. Michael Rich, Keith Hawkins +21
We report on the RR Lyrae variable star, MACHO 176.18833.411, located toward the Galactic bulge and observed within the data from the ongoing Bulge RR Lyrae Radial Velocity Assay (…
Testing Magnetic Field Models for the Class 0 Protostar L1527
J. A. Davidson, Z. -Y. Li, C. L. H. Hull +10
For the Class 0 protostar, L1527, we compare 131 polarization vectors from SCUPOL/JCMT, SHARP/CSO and TADPOL/CARMA observations with the corresponding model polarization vectors of…
The disk-bearing young star IM Lup
H. M. Guenther, S. P. Matt, J. H. M. M. Schmitt +3
Classical T Tauri stars (CTTS) differ in their X-ray signatures from older pre-main sequence stars, e.g. weak-lined TTS (WTTS). CTTS show a soft excess and deviations from the low-…