449 citations · 787 across the 11 of their papers we have counts for
10 papers · 1 filter
A Case Study of Low-Mass Star Formation
J. Swift, Wm. J. Welch
This article synthesizes observational data from an extensive program aimed toward a comprehensive understanding of star formation in a low-mass star-forming molecular cloud. New o…
A High-Mass Protobinary System in the Hot Core W3(H2O)
Huei-Ru Chen, William J. Welch, David J. Wilner +1
We have observed a high-mass protobinary system in the hot core W3(H2O) with the BIMA Array. Our continuum maps at wavelengths of 1.4mm and 2.8mm both achieve sub-arcsecond angular…
Far-Infrared and Millimeter Continuum Studies of K Giants: Alpha Boo and Alpha Tau
Martin Cohen, Duane F. Carbon, William J. Welch +6
We have imaged two normal, non-coronal, infrared-bright K giants, Alpha Tau and Alpha Boo, in the 1.4-mm and 2.8-mm continuum using the Berkeley Illinois Maryland Association milli…
A Pre-Protostellar Core in L1551
J. Swift, Wm. J. Welch, J. Di Francesco
Large field surveys of NH3, C2S, 13CO and C18O in the L1551 dark cloud have revealed a prolate, pre-protostellar molecular core (L1551-MC) in a relatively quiescent region to the n…
Abundances of Molecular Species in Barnard 68
James Di Francesco, Michiel R. Hogerheijde, William J. Welch +1
Abundances for 5 molecules (C18O, CS, NH3, H2CO, and C3H2) and 1 molecular ion (N2H+) and upper limits for the abundances of 1 molecule (13CO) and 1 molecular ion (HCO+) are derive…
Spatially Resolved Millimeter Spectroscopy of the Gravitational Lens PKS 1830-211
J. Swift, W. J. Welch, B. Frye
This paper presents data from the BIMA interferometer showing spatially resolved absorption spectra of the gravitationally lensed quasar PKS 1830-211. High-resolution (1.2 km/s) sp…