851 citations · 1.8k across the 11 of their papers we have counts for
11 papers
Persistent Asymmetric Structure of Sagittarius A* on Event Horizon Scales
Vincent L. Fish, Michael D. Johnson, Sheperd S. Doeleman +69
The Galactic Center black hole Sagittarius A* (Sgr A*) is a prime observing target for the Event Horizon Telescope (EHT), which can resolve the 1.3 mm emission from this source on…
Performance of the Caltech Submillimeter Observatory Dual-Color 180-720 GHz Balanced SIS Receivers
J. W. Kooi, R. A. Chamberlin, R. Monje +12
We report on balanced SIS receivers covering the astronomical important 180-720 GHz submillimeter atmospheric window. To facilitate remote observations and automated spectral line…
Fine-scale structure of the quasar 3C 279 Measured with 1.3 mm very long baseline interferometry
Ru-Sen Lu, Vincent L. Fish, Kazunori Akiyama +30
We report results from 5-day VLBI observations of the well-known quasar 3C 279 at 1.3 mm (230 GHz) in 2011. The measured nonzero closure phases on triangles including stations in A…
Jet Launching Structure Resolved Near the Supermassive Black Hole in M87
Sheperd S. Doeleman, Vincent L. Fish, David E. Schenck +30
Approximately 10% of active galactic nuclei exhibit relativistic jets, which are powered by accretion of matter onto super massive black holes. While the measured width profiles of…
1.3 mm Wavelength VLBI of Sagittarius A*: Detection of Time-Variable Emission on Event Horizon Scales
Vincent L. Fish, Sheperd S. Doeleman, Christopher Beaudoin +27
Sagittarius A*, the ~4 x 10^6 solar mass black hole candidate at the Galactic Center, can be studied on Schwarzschild radius scales with (sub)millimeter wavelength Very Long Baseli…
A Comprehensive Survey of Hydrogen Chloride in the Galaxy
Ruisheng Peng, Hiroshige Yoshida, Richard A. Chamberlin +3
We report new observations of the fundamental transition of HCl (at 625.918GHz) toward a sample of 25 galactic star-forming regions, molecular clouds, and evolved stars, ca…