39 citations · 127 across the 23 of their papers we have counts for
6 papers · 1 filter
ALMA detection of Masers and Dasars in the Hydrogen Recombination Lines of the Planetary Nebula Mz3
Z. Abraham, P. P. B. Beaklini, I. Aleman +5
The hydrogen recombination lines H30, H40, H42, H50 and H57 and the underlying bremsstrahlung continuum emission were detected with ALMA in the bipolar nebula Mz3. T…
High-Speed Outflows and Dusty Disks during the AGB to PN Transition: The PANORAMA survey
Raghvendra Sahai, Javier Alcolea, Bruce Balick +15
As mass-losing asymptotic giant branch (AGB) stars evolve to planetary nebulae (PNe), the mass outflow geometries transform from nearly spherical to extreme aspherical. The physica…
A Dust-Scattering Model for M1-92: A Revised Estimate of the Mass Distribution and Inclination
Yun Qi Li, Mark R. Morris, Raghvendra Sahai
Preplanetary nebulae (PPNe) are formed from mass-ejecting late-stage AGB stars. Much of the light from the star gets scattered or absorbed by dust particles, giving rise to the obs…
Chemical tracers of a highly eccentric AGB-main sequence star binary
T. Danilovich, J. Malfait, M. Van de Sande +32
Binary interactions have been proposed to explain a variety of circumstellar structures seen around evolved stars, including asymptotic giant branch (AGB) stars and planetary nebul…
The Molecular Exoskeleton of the Ring-like Planetary Nebula NGC 3132
Joel H. Kastner, David Wilner, Paula Moraga Baez +4
We present Submillimeter Array (SMA) mapping of CO , CO , and CN emission from the Ring-like planetary nebula (…
CO emission survey of asymptotic giant branch stars with ultraviolet excesses
Jaime Alonso-Hernández, Carmen Sánchez Contreras, Raghvendra Sahai
Context. The transition from the spherically symmetric envelopes around asymptotic giant branch (AGB) stars to the asymmetric morphologies observed in planetary nebulae is still no…