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The properties of the host galaxy and the immediate environment of GRB 980425 / SN 1998bw from the multi-wavelength spectral energy distribution
Michał J. Michałowski, Jens Hjorth, Daniele Malesani +7
We present an analysis of the spectral energy distribution (SED) of the galaxy ESO 184-G82, the host of the closest known long gamma-ray burst (GRB) 980425 and its associated super…
Deep Extragalactic VLBI-Optical Survey (DEVOS) II. Efficient VLBI detection of SDSS quasars
S. Frey, L. I. Gurvits, Z. Paragi +3
Context: The Deep Extragalactic VLBI-Optical Survey (DEVOS) aims at constructing a large sample of compact radio sources up to two orders of magnitude fainter than those studied in…
Using VO tools to investigate distant radio starbursts hosting obscured AGN in the HDF(N) region
A. M. S. Richards, T. W. B. Muxlow, R. Beswick +17
A 10-arcmin field around the HDF(N) contains 92 radio sources >40 uJy, resolved by MERLIN+VLA at 0".2-2".0 resolution. 55 have Chandra X-ray counterparts including 18 with a hard X…
Living life on the edge - Wide-field VLBI at 90 cm!
Emil Lenc, Mike A. Garrett, Olaf Wucknitz +2
We report on a recent 90 cm wide-field VLBI survey of two 3.1 deg^2 fields using the VLBA, Westerbork and Jodrell Bank telescopes. In-beam calibration was used to calibrate each fi…
First e-VLBI observations of Cygnus X-3
V. Tudose, R. P. Fender, M. A. Garrett +6
We report the results of the first two 5 GHz e-VLBI observations of the X-ray binary Cygnus X-3 using the European VLBI Network. Two successful observing sessions were held, on 200…
First e-VLBI observations of GRS 1915+105
A. Rushton, R. E. Spencer, M. Strong +10
We present results from the first successful open call e-VLBI science run, observing the X-ray binary GRS 1915+105. e-VLBI science allows the rapid production of VLBI radio maps, w…
Highly-magnified, Multiply-imaged radio counterparts of the Sub-mm Starburst Emission in the Cluster-Lens MS0451.6-0305
A. Berciano Alba, M. A. Garrett, L. V. E. Koopmans +1
Previous authors have reported the detection of intrinsically faint sub-mm emission lensed by the cluster MS0451.6-0305. They suggest that this emission arises from a merging syste…
Structure in the radio counterpart to the 2004 Dec 27 giant flare from SGR 1806-20
R. P. Fender, T. W. B. Muxlow, M. A. Garrett +7
On Dec 27, 2004, the magnetar SGR 1806-20 underwent an enormous outburst resulting in the formation of an expanding, moving, and fading radio source. We report observations of this…
Deep Extragalactic VLBI-Optical Survey (DEVOS): I. Pilot MERLIN and VLBI observations
L. Mosoni, S. Frey, L. I. Gurvits +3
We present the results of the pilot observations of the Deep Extragalactic VLBI-Optical Survey (DEVOS). Our ultimate aim is to collect information on compact structures in a large…
The Growth, Polarization, and Motion of the Radio Afterglow from the Giant Flare from SGR 1806-20
G. B. Taylor, J. D. Gelfand, B. M. Gaensler +8
The extraordinary giant flare (GF) of 2004 December 27 from the soft gamma repeater (SGR) 1806-20 was followed by a bright radio afterglow. We present an analysis of VLA observatio…
Gravitationally lensed radio emission associated with SMM J16359+6612, a multiply imaged submillimeter galaxy behind A2218
M. A. Garrett, K. K. Knudsen, P. P. van der Werf
We report the detection of discrete, lensed radio emission from the multiply imaged, z=2.516 submillimetre selected galaxy, SMM J16359+6612. All three images are detected in deep W…
Discovering the microJy Radio VLBI Sky via "Full-beam" Self-calibration
M. A. Garrett, J. M. Wrobel, R. Morganti
We demonstrate that at 1.4 GHz the combined response of sources detected serendipitously in deep, wide-field VLBI images is sufficient to permit self-calibration techniques to be e…
Spitzer 24 micron imaging of Faint Radio Sources in the FLSv: a new radio-loud, Mid-IR/optically obscured population?
M. Orienti, M. A. Garrett, C. Reynolds +1
Data from the Spitzer Space Telescope (the First Look Survey - FLS) have recently been made public. We have compared the 24 micron images with very deep WSRT 1.4 GHz observations (…
High output data rates with PCInt on the EVN MkIV data processor
H. J. van Langevelde, H. Verkouter, S. Parsley +3
The EVN MkIV data processor is being equipped with a high data output capability, called PCInt. In its next phase it will allow very high data output rates, up to 160 Mb/s. This fu…
The nature of the Mid-IR faint radio sources from the Spitzer First Look Survey
M. Orienti, M. A. Garrett, C. Reynolds +1
Data from the Spitzer Space Telescope (the First Look Survey - FLS) have recently been made public. We have compared the 24 micron images with very deep WSRT 1.4 GHz observations,…
Deep VLBI Imaging of Faint Radio Sources in the NOAO Bootes Field
M. A. Garrett, J. M. Wrobel, R. Morganti
We have conducted a deep, very long baseline interferometry (VLBI) observation at 1.4 GHz of an area of sky located within the NOAO Bootes field, using the NRAO VLBA and 100-m Gree…
Deep Field Surveys - A Radio View
M. A. Garrett
I present an introductory review text, focusing on recent deep field studies using radio telescopes, including high-resolution, wide-field VLBI observations. The nature of the fain…
e-VLBI... a Wide-field Imaging Instrument with milliarcsecond Resolution & microJy Sensitivity
M. A. Garrett
The European VLBI Network (EVN) is in the process of establishing an e-VLBI array in which the radio telescopes and the EVN correlator at JIVE are connected in real-time, via high-…
Infrared Properties of Radio-Selected Submillimeter Galaxies in the Spitzer First Look Survey Verification Field
D. T. Frayer, S. C. Chapman, L. Yan +20
We report on submillimeter and infrared observations of 28 radio-selected galaxies in the Spitzer First Look Survey Verification field (FLSV). All of the radio-selected galaxies th…
A Deep WSRT 1.4 GHz Radio Survey of the Spitzer Space Telescope FLSv Region
R. Morganti, M. A. Garrett, S. Chapman +3
The First Look Survey (FLS) is the first scientific product to emerge from the Spitzer Space Telescope. A small region of this field (the verification strip) has been imaged very d…
VLBA Astrometry of Compact Radio Sources in the Spitzer First-Look Survey
J. M. Wrobel, M. A. Garrett, J. J. Condon +1
The NRAO Very Long Baseline Array (VLBA) was used at 1.4 GHz to image 20 compact sources in the inner 1-degree radius of the Spitzer VLA First-Look Survey. Twelve sources were dete…
21st Century VLBI: Deep Wide-Field Surveys
M. A. Garrett, J. M. Wrobel, R. Morganti
A 20-hour VLBI observation with the NRAO VLBA and GBT in the NOAO Bootes field reaches an rms noise of 9 microJy per beam at 1.4 GHz. Three sources were detected at 10-milliarcseco…
Towards a Large Field of View Archive for the European VLBI Network
Huib Jan van Langevelde, Friso Olnon, Harro Verkouter +5
Traditionally VLBI observations focus on a small patch of sky and image typically a few 100 mas around a bright source, which is often used to self-calibrate the data. High spectra…
Investigation of the obscuring circumnuclear torus in the active galaxy Mrk231
Hans-Rainer Kl"ockner, Willem A. Baan, Michael A. Garrett
Here we report on observations of powerful hydroxyl (OH) line emissions that trace the obscuring material within the circumnuclear environment of the galaxy Markarian 231. The hydr…