15 citations · 20 across the 2 of their papers we have counts for
2 papers
astro-ph.GA2021★ 15 cited
Supersonic Expansion of the Bipolar Hii Region Sh2-106: A 3,500 Year-Old Explosion?
John Bally, Zen Chia, Adam Ginsburg +4
Multi-epoch narrow-band HST images of the bipolar Hii region Sh2-106 reveal highly supersonic nebular proper motions which increase with projected distance from the massive young s…
astro-ph.GA2019★ 5 cited
A Highly Collimated Jet from the Red Square Nebula, MWC 922
John Bally, Zen H. Chia
Deep, narrow-band \Ha\ and 6584 Å [\Nii ] CCD images of the peculiar, infrared excess B[e] star MWC~922 reveal a collimated, bipolar jet orthogonal to the previously detected exten…