595 citations · 6.9k across the 158 of their papers we have counts for
107 papers · 1 filter
Galactic HI on the 50-AU scale in the direction of three extra-galactic sources observed with MERLIN
W. M. Goss, A. M. S. Richards, T. W. B. Muxlow +1
We present MERLIN observations of Galactic 21-cm HI absorption at an angular resolution of c. 0.1-0.2 arcsec and a velocity resolution of 0.5 km/s, in the direction of three modera…
Emerging Massive Star Clusters Revealed: High Resolution Imaging of NGC 4449 from the Radio to the Ultraviolet
Amy E. Reines, Kelsey E. Johnson, W. M. Goss
We present a multi-wavelength study of embedded massive clusters in the nearby (3.9 Mpc) starburst galaxy NGC 4449 in an effort to uncover the earliest phases of massive cluster ev…
Internal Dynamics of the Hypercompact H II Region G28.20-0.04N
M. Sewilo, E. Churchwell, S. Kurtz +2
High resolution (0.15") Very Large Array observations of 7 mm continuum and H53a line emission toward the hypercompact H II region G28.20-0.04N reveal the presence of large-scale o…
Non-thermal Emission in Sagittarius B?
Cornelia C. Lang, Patrick Palmer, W. M. Goss
We summarize three recent publications which suggest that the Galactic center region Sagittarius B (Sgr B) may contain non-thermal radio components (Crocker et al. 2007, Hollis et…
VLA Limits for Intermediate Mass Black Holes in Three Globular Clusters
F. N. Bash, K. Gebhardt, W. M. Goss +1
The observational evidence for central black holes in globular clusters has been argued extensively, and their existence has important consequences for both the formation and evolu…
The Distance to SS433/W50 and its Interaction with the ISM
Felix J. Lockman, Katherine M. Blundell, W. M. Goss
[ABRIDGED] The distance to the relativistic jet source SS433 and the related supernova remnant W50 is re-examined using new observations of HI in absorption from the VLA, HI in emi…
VLA H53alpha observations of the central region of the Super Star Cluster Galaxy NGC 5253
C. A. Rodriguez-Rico, W. M. Goss, J. L. Turner +1
We present observations in the H53alpha line and radio continuum at 43 GHz carried out with the VLA in the D array (2'' angular resolution) toward the starburst galaxy NGC 5253. VL…
GMRT and VLA observations at 49cm and 20cm of the HII region near l=24.4d, b=0.1d
N. G. Kantharia, W. M. Goss, D. Anish Roshi +2
We report multifrequency radio continuum and hydrogen radio recombination line observations of HII regions near l=24.8d b=0.1d using the Giant Metrewave Radio Telescope (GMRT) at 1…
VLA Observations of J1228+441, a Luminous Supernova Remnant in NGC 4449
C. K. Lacey, W. M. Goss, L. K. Mizouni
The luminous, oxygen-rich supernova remnant, J1228+441, is located in the irregular galaxy NGC 4449 and has been observed at radio wavelengths for thirty years. An analysis of rece…
VLBA Observations of G5.89-0.39: OH masers and magnetic field structure
D. P. Stark, W. M. Goss, E. Churchwell +2
We present VLBA observations of 1667 MHz OH maser emission from the massive star formation region G5.89-0.39. The observations were phase referenced allowing the absolute positions…
The Formaldehyde Masers in Sgr B2: Very Long Baseline Array and Very Large Array Observations
Ian M. Hoffman, W. M. Goss, Patrick Palmer
Observations of two of the formaldehyde (H2CO) masers (A and D) in Sgr B2 using the VLBA+Y27 (resolution ~0.01") and the VLA (resolution ~9") are presented. The VLBA observations s…
Intrinsic short time scale variability of W3(OH) maser
R. Ramachandran, A. A. Deshpande, W. M. Goss
We have studied the OH masers in the star forming region, W3(OH), with data obtained from the Very Long Baseline Array (VLBA). The data provide an angular resolution of 5 mas…
The Intrinsic Size of Sagittarius A* from 0.35 cm to 6 cm
Geoffrey C. Bower, W. M. Goss, Heino Falcke +2
We present new high-resolution observations of Sagittarius A* at wavelengths of 17.4 to 23.8 cm with the Very Large Array in A configuration with the Pie Town Very Long Baseline Ar…
Mid-infrared Identification of 6 cm Radio Source Counterparts in the Extended Groth Strip
S. P. Willner, A. L. Coil, W. M. Goss +7
A new 6-cm survey of almost 0.6 square degrees to a limit of 0.55-mJy/beam (10-sigma) finds 37 isolated radio sources and 7 radio source pairs (not necessarily physical companions)…
The All-wavelength Extended Groth Strip International Survey (AEGIS) Data Sets
M. Davis, P. Guhathakurta, N. Konidaris +53
In this the first of a series of Letters, we present a description of the panchromatic data sets that have been acquired in the Extended Groth Strip region of the sky. Our survey,…
New VLA observations of the SNR Puppis A: the radio properties and the correlatoin withe the X-ray emission
G. Castelletti, G. Dubner, K. Golap +1
In this paper we report on a new study of the SNR Puppis A based on VLA observations at 1425 MHz; the improvement represents a factor of two in angular resolution and almost ten ti…
VLA H53alpha and H92alpha line observations of the central region of NGC 253
C. A. Rodriguez-Rico, W. M. Goss, J. -H. Zhao +2
We present new Very Large Array (VLA) observations toward NGC 253 of the recombination line H53alpha (43 GHz) at an angular resolution of 1.''5 X 1.''0. The free-free emission at 4…
The Detection of 3He+ in a Planetary Nebula Using the VLA
Dana S. Balser, W. M. Goss, T. M. Bania +1
We used the VLA to search for 3He+ emission from two Galactic planetary nebulae (PNe): NGC6572 and J320}. Standard stellar models predict that the 3He/H abundance ratios for PNe sh…
Radio Emission from the Double-Pulsar System J0737-3039 Revisited
S. Chatterjee, W. M. Goss, W. F. Brisken
The double pulsar J0737-3039 is the only known system in which the relativistic wind emitted by a radio pulsar demonstrably interacts with the magnetosphere of another one. We repo…
Getting Its Kicks: A VLBA Parallax for the Hyperfast Pulsar B1508+55
S. Chatterjee, W. H. T. Vlemmings, W. F. Brisken +7
The highest velocity neutron stars establish stringent constraints on natal kicks, asymmetries in supernova core collapse, and the evolution of close binary systems. Here we presen…
Pulsar Astrometry at the Microarcsecond Level
W. H. T. Vlemmings, S. Chatterjee, W. F. Brisken +12
Determination of pulsar parallaxes and proper motions addresses fundamental astrophysical questions. We have recently finished a VLBI astrometry project to determine the proper mot…
Stellar Winds and Embedded Star Formation in the Galactic Center Quintuplet and Arches Clusters: Multifrequency Radio Observations
Cornelia C. Lang, Kelsey E. Johnson, W. M. Goss +1
A multi-frequency, multi-configuration study has been made of the compact radio sources in the Galactic Center Quintuplet and Arches stellar clusters using the Very Large Array. Te…
A Radio Transient 0.1 pc from Sagittarius A*
Geoffrey C. Bower, Doug A. Roberts, Farhad Yusef-Zadeh +5
We report the discovery of a transient radio source 2.7 arcsec (0.1 pc projected distance) South of the Galactic Center massive black hole, Sagittarius A*. The source flared with a…
VLA H53alpha radio recombination line observations of the ultraluminous infrared galaxy Arp 220
C. A. Rodriguez-Rico, W. M. Goss, F. Viallefond +3
We present high angular resolution (0.7'') observations made with the Very Large Array (VLA) of the radio recombination line (RRL) H53alpha and radio continuum emission at 43 GHz f…