Issue |
A&A
Volume 366, Number 2, February I 2001
|
|
---|---|---|
Page(s) | L5 - L8 | |
Section | Letters | |
DOI | https://doi.org/10.1051/0004-6361:20000537 | |
Published online | 15 February 2001 |
AGN and starbursts at high redshift: High resolution EVN radio observations of the Hubble Deep Field
1
Joint Institute for VLBI in Europe (JIVE), Postbus 2, 7990 AA, Dwingeloo, The Netherlands
2
MERLIN/VLBI National Facility, Jodrell Bank Observatory, Lower Withington, Macclesfield, Cheshire SK11 9DL, UK
3
Max-Planck-Institut für Radioastronomie Auf dem Hügel 69, 53121 Bonn, Germany
4
Instituto de Astrofísica de Andalucia, CSIC, Apdo. 3004, 18080 Granada, Spain
5
Instituto di Radioastronomia, CNR, Via P. Gobetti, 101, 40129 Bologna, Italy
6
Onsala Space Observatory, 43992 Onsala, Sweden
7
National Radio Astronomy Observatory, 520 Edgemont Road, Charlottesville, VA 22903, USA
8
Netherlands Foundation for Research in Astronomy (ASTRON), Postbus 2, 7990 AA Dwingeloo, The Netherlands
9
Torun Centre for Astronomy, Nicolas Copernicus University ul. Gagarina 11, 87-100 Torun, Poland
10
The University of Manchester, Jodrell Bank Observatory, Lower Withington, Macclesfield, Cheshire SK11 9DL, UK
Corresponding author: M. A. Garrett, garrett@jive.nl
Received:
10
November
2000
Accepted:
14
December
2000
We present deep, wide-field European VLBI Network (EVN) 1.6 GHz
observations of the Hubble Deep Field (HDF) region with a
resolution of 0.025 arcseconds. Above the 210 μJy/beam
() detection level, the EVN clearly detects two radio
sources in a field that encompasses the HDF and part of the
Hubble Flanking Fields (HFF). The sources detected are:
VLA J123644+621133 (a
, low-luminosity FR-I radio source
located within the HDF itself) and VLA J123642+621331 (a dust
enshrouded, optically faint,
starburst system). A third
radio source, VLA J123646+621404, is detected at the
level. The VLBI detections of all three sources
suggest that most of the radio emission of these particular
sources (including the dusty starburst) is generated by an
embedded AGN.
Key words: galaxies: active / galaxies: radio continuum / galaxies: starburst
© ESO, 2001
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