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Deep MERLIN 5GHz Radio Imaging of Supernova Remnants in the M82 Starburst
D. M. Fenech, T. W. B. Muxlow, R. J. Beswick +2
The results of an extremely deep, 8-day long observation of the central kpc of the nearby starburst galaxy M82 using MERLIN (Multi-Element Radio Linked Interferometer Network) at 5…
Enhanced Dust Emission in the HL Tau Disc: A Low-Mass Companion in Formation?
J. S. Greaves, A. M. S. Richards, W. K. M. Rice +1
We have imaged the disc of the young star HL Tau using the VLA at 1.3 cm, with 0.08" resolution (as small as the orbit of Jupiter). The disc is around half the stellar mass, assumi…
A transient radio jet in an erupting dwarf nova
Elmar Koerding, Michael Rupen, Christian Knigge +4
Astrophysical jets seem to occur in nearly all types of accreting objects: from supermassive black holes to young stellar objects. Based on X-ray binaries, a unified scenario descr…
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…
A Radio Through X-ray Study of the Jet/Companion-Galaxy Interaction in 3C 321
Daniel A. Evans, Wen-Fai Fong, Martin J. Hardcastle +6
We present a multiwavelength study of the nucleus, environment, jets, and hotspots of the nearby FRII radio galaxy 3C 321, using new and archival data from MERLIN, the VLA, Spitzer…
An evolution of the IR-Radio correlation at very low flux densities?
R. J. Beswick, T. W. B. Muxlow, H. Thrall +2
In this paper we investigate the radio-MIR correlation at very low flux densities using extremely deep 1.4 GHz sub-arcsecond angular resolution MERLIN+VLA observations of a 8'.5 by…
An evolution of the IR-Radio correlation?
R. J. Beswick, T. W. B. Muxlow, H. Thrall +2
Using extremely deep (rms 3.3 microJy/bm) 1.4GHz sub-arcsecond resolution MERLIN + VLA radio observations of a 8'.5 by 8'.5 field centred upon the Hubble Deep Field North, in conju…
Multi-wavelength (radio, X-ray and gamma-ray) observations of the gamma-ray binary LS I +61 303
MAGIC Collaboration, J. Albert
We present the results of the first multiwavelength observing campaign on the high-mass X-ray binary LS I +61 303 comprising observations at the TeV regime with the MAGIC telescope…
Probing a massive radio galaxy with gravitational lensing
A. More, J. P. McKean, T. W. B. Muxlow +3
The gravitational lens system CLASS B2108+213 has two lensed images separated by 4.56 arcsec. Such a wide image separation suggests that the lens is either a massive galaxy, or is…
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…
OH main line masers in the M82 starburst
M. K. Argo, A. Pedlar, R. J. Beswick +1
A study of the distribution of OH gas in the central region of the nearby active starburst galaxy M82 has confirmed two previously known bright masers and revealed several new main…
8.4GHz VLBI observations of SN2004et in NGC6946
I. Marti-Vidal, J. M. Marcaide, A. Alberdi +13
We report on 8.4GHz Very Long Baseline Interferometry (VLBI) observations of the type II-P supernova SN2004et in the spiral galaxy NGC 6946, made on 20 February 2005 (151 days afte…
A survey of polarization in the JVAS/CLASS flat-spectrum radio source surveys: I. The data and catalogue production
N. Jackson, R. A. Battye, I. W. A. Browne +3
We have used the very large JVAS/CLASS 8.4-GHz surveys of flat-spectrum radio sources to obtain a large, uniformly observed and calibrated, sample of radio source polarizations. Th…
CU Virginis - The First Stellar Pulsar
Barry J. Kellett, Vito Graffagnino, Robert Bingham +2
CU Virginis is one of the brightest radio emitting members of the magnetic chemically peculiar (MCP) stars and also one of the fastest rotating. We have now discovered that CU Vir…
High-z radio starbursts host obscured X-ray AGN
A. M. S. Richards, R. J. Beswick, S. T. Garrington +8
We use Virtual Observatory methods to investigate the association between radio and X-ray emission at high redshifts. Fifty-five of the 92 HDF(N) sources resolved by combining MERL…
Sub-arcsecond, microJy radio properties of Spitzer identified mid-infrared sources in the HDF-N/GOODS-N field
R. J. Beswick, T. W. B. Muxlow, H. Thrall +1
We present recent and ongoing results from extremely deep 18 day MERLIN + VLA 1.4GHz observations (rms: 3.3microJy/bm) of an 8.5-by-8.5 arcminute field centred upon the Hubble Deep…
High resolution observations of a selection of faint 1.4GHz radio counterparts to optical sources in the HDF-N
H. Thrall, T. W. B. Muxlow, R. J. Beswick +1
We present recent results from very deep MERLIN/VLA 1.4GHz observations of an 8.5-by-8.5 arcminute field centred on the the Hubble Deep Field North, in conjunction with BVIz catalo…
The Statistical Properties Of The Very Weak Radio Source Population In The GOODS/ACS HDF-N Region
T. W. B. Muxlow, R. J. Beswick, H. Thrall +3
Deep combination radio observations at 1.4GHz with the VLA and MERLIN have imaged a region 10 arcminutes square surrounding the Hubble Deep Field North (HDF-N). Initial studies of…
Starburst Galaxies
T. W. B. Muxlow, R. J. Beswick, A. M. S. Richards +1
Star-formation and the Starburst phenomenon are presented with respect to a number of nearby star-forming galaxies where our understanding of the process can be calibrated. Methods…
An asymmetric shock wave in the 2006 outburst of the recurrent nova RS Ophiuchi
T. J. O'Brien, M. F. Bode, R. W. Porcas +6
Nova outbursts take place in binary star systems comprising a white dwarf and either a low-mass Sun-like star or, as in the case of the recurrent nova RS Ophiuchi, a red giant. Alt…
15 years of VLBI observations of two compact radio sources in Messier 82
R. J. Beswick, J. D. Riley, I. Marti-Vidal +6
We present the results of a second epoch of 18cm global Very Long-Baseline Interferometry (VLBI) observations, taken on 23 February 2001, of the central kiloparsec of the nearby st…
A transient relativistic radio jet from Cygnus X-1
R. P. Fender, A. M. Stirling, R. E. Spencer +4
We report the first observation of a transient relativistic jet from the canonical black hole candidate, Cygnus X-1, obtained with the Multi-Element Radio-Linked Interferometer Net…
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…
Multiple relativistic outbursts of GRS 1915+105: radio emission and internal shocks
J. C. A. Miller-Jones, D. G. McCormick, R. P. Fender +3
We present 5-GHz MERLIN radio images of the microquasar GRS 1915+105 during two separate outbursts in 2001 March and 2001 July, following the evolution of the jet components as the…