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The simultaneous VLA observations of Sgr A* from 90 to 0.7 cm
T. An, J. -H. Zhao, X. -Y. Hong +4
We present a spectrum of Sgr A* observed simultaneously on June 17, 2003 at wavelengths from 90 to 0.7 cm with the VLA. In the spectrum, we also include the measurements of Sgr A*…
Protostars and Outflows in the NGC7538 - IRS9 Cloud Core
G. Sandell, W. M. Goss, M. Wright
New high resolution observations of HCO+ J=1-0, H13CN J=1-0, SO 2,2 - 1,1, and continuum with BIMA at 3.4 mm show that the NGC7538 - IRS9 cloud core is a site of active ongoing sta…
Multi-density model of the ionised gas in NGC 253 using radio recombination lines
Niruj R. Mohan, W. M. Goss, K. R. Anantharamaiah
We have imaged the H92alpha (8.3 GHz), H75alpha (15 GHz), and H166alpha (1.4 GHz) Radio Recombination Lines (RRLs) from NGC 253 at resolutions of 4.5 pc (0.4"), 2.5 pc (0.2") and 5…
Radio Recombination Lines from Starbursts: NGC 3256, NGC 4945 and the Circinus Galaxy
A. L. Roy, W. M. Goss, Niruj R. Mohan +2
A renewed attempt to detect radio recombination lines from external galaxies has resulted in the measurement of lines from several bright starburst galaxies. The lines are produced…
The OH (1720 MHz) Supernova Remnant Masers in W28: MERLIN and VLBA Polarization Observations
Ian M. Hoffman, W. M. Goss, C. L. Brogan +1
Full-polarization MERLIN and VLBA observations of the 1720 MHz maser emission from the OH molecule in the supernova remnant W28 are presented. Zeeman splitting (|B| \approx 0.75 mG…
The neutral gas in the environs of the Geminga gamma-ray pulsar
E. Giacani, E. Reynoso, G. Dubner +3
We present a high-resolution (24 arcsec) study of the HI interstellar gas distribution around the radio-quiet neutron star Geminga. Based on Very Large Array (VLA) and MPIfR Effels…