John Conway

Professor vid Onsala rymdobservatorium

John Conway är föreståndare för den nationella anläggningen Onsala rymdobservatorium, och Professor i radioastronomi vid Chalmers.

Källa: chalmers.se
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Visar 161 publikationer

2024

The PARADIGM project I: a multiscale radio morphological analysis of local U/LIRGS

Geferson Lucatelli, R. J. Beswick, J. Moldon et al
Monthly Notices of the Royal Astronomical Society. Vol. 529 (4), p. 4468-4499
Artikel i vetenskaplig tidskrift
2024

First Very Long Baseline Interferometry Detections at 870 μm

Alexander W. Raymond, S. Doeleman, K. Asada et al
Astronomical Journal. Vol. 168 (3)
Artikel i vetenskaplig tidskrift
2024

First Sagittarius A∗ Event Horizon Telescope Results. VIII. Physical Interpretation of the Polarized Ring

Kazunori Akiyama, Antxon Alberdi, Walter Alef et al
Astrophysical Journal Letters. Vol. 964 (2)
Artikel i vetenskaplig tidskrift
2024

The persistent shadow of the supermassive black hole of M 87: I. Observations, calibration, imaging, and analysis*

Kazunori Akiyama, Antxon Alberdi, Walter Alef et al
Astronomy and Astrophysics. Vol. 681
Artikel i vetenskaplig tidskrift
2024

First Sagittarius A∗ Event Horizon Telescope Results. VII. Polarization of the Ring

Kazunori Akiyama, Antxon Alberdi, Walter Alef et al
Astrophysical Journal Letters. Vol. 964 (2)
Artikel i vetenskaplig tidskrift
2024

Ordered magnetic fields around the 3C 84 central black hole

Georgios Filippos Paraschos, M. Wielgus, J. Röder et al
Astronomy and Astrophysics. Vol. 682
Artikel i vetenskaplig tidskrift
2024

LOFAR Deep Fields: Probing the sub-mJy regime of polarized extragalactic sources in ELAIS-N1: I. the catalog

Sara Piras, Cathy Horellou, John Conway et al
Astronomy and Astrophysics. Vol. 687
Artikel i vetenskaplig tidskrift
2023

Intermediate-mass black holes: finding of episodic, large-scale, and powerful jet activity in a dwarf galaxy

Jun Yang, Zsolt Paragi, Sandor Frey et al
Monthly Notices of the Royal Astronomical Society. Vol. 520 (4), p. 5964-5973
Artikel i vetenskaplig tidskrift
2023

The Event Horizon Telescope Image of the Quasar NRAO 530

S.G. Jorstad, Maciek Wielgus, Rocco Lico et al
Astrophysical Journal. Vol. 943 (2)
Artikel i vetenskaplig tidskrift
2023

Utilization of convolutional neural networks for HI source finding: Team FORSKA-Sweden approach to SKA Data Challenge 2

Henrik Håkansson, Anders Sjöberg, Maria Carmen Toribio Perez et al
Astronomy and Astrophysics. Vol. 671
Artikel i vetenskaplig tidskrift
2023

Subarcsecond-resolution Imaging of M51 with the International LOFAR Telescope

Deepika Venkattu, Peter Lundqvist, Miguel Perez Torres et al
Astrophysical Journal. Vol. 953 (2)
Artikel i vetenskaplig tidskrift
2023

Comparison of Polarized Radiative Transfer Codes Used by the EHT Collaboration

Ben Prather, Jason Dexter, M. Mościbrodzka et al
Astrophysical Journal. Vol. 950 (1)
Artikel i vetenskaplig tidskrift
2023

Characterization of the Beam and the Aperture of the Onsala Twin Telescopes

Gary Hovey, Mugundhan Vijayaraghavan, Rüdiger Haas et al
2023 International Conference on Electromagnetics in Advanced Applications, ICEAA 2023, p. 351-
Paper i proceeding
2023

SKA Science Data Challenge 2: analysis and results

Philippa Hartley, A. Bonaldi, Robert Braun et al
Monthly Notices of the Royal Astronomical Society. Vol. 523 (2), p. 1967-1993
Artikel i vetenskaplig tidskrift
2023

A ring-like accretion structure in M87 connecting its black hole and jet

R.S. Lu, K. Asada, T.P. Krichbaum et al
Nature. Vol. 616 (7958), p. 686-690
Artikel i vetenskaplig tidskrift
2023

Polarimetric Geometric Modeling for mm-VLBI Observations of Black Holes

F. Roelofs, Michael D. Johnson, A. Chael et al
Astrophysical Journal Letters. Vol. 957 (2)
Artikel i vetenskaplig tidskrift
2023

First M87 Event Horizon Telescope Results. IX. Detection of Near-horizon Circular Polarization

Kazunori Akiyama, Antxon Alberdi, Walter Alef et al
Astrophysical Journal Letters. Vol. 957 (2)
Artikel i vetenskaplig tidskrift
2022

First Sagittarius A* Event Horizon Telescope Results. II. EHT and Multiwavelength Observations, Data Processing, and Calibration

Kazunori Akiyama, Antxon Alberdi, Walter Alef et al
Astrophysical Journal Letters. Vol. 930 (2)
Artikel i vetenskaplig tidskrift
2022

Resolving the Inner Parsec of the Blazar J1924-2914 with the Event Horizon Telescope

Sara Issaoun, Maciek Wielgus, Svetlana Jorstad et al
Astrophysical Journal. Vol. 934 (2)
Artikel i vetenskaplig tidskrift
2022

Characterizing and Mitigating Intraday Variability: Reconstructing Source Structure in Accreting Black Holes with mm-VLBI

Avery E. Broderick, Roman Gold, Boris Georgiev et al
Astrophysical Journal Letters. Vol. 930 (2)
Artikel i vetenskaplig tidskrift
2022

A repeating fast radio burst source in a globular cluster

Franz Kirsten, B. Marcote, K. Nimmo et al
Nature. Vol. 602 (7898), p. 585-589
Artikel i vetenskaplig tidskrift
2022

Selective Dynamical Imaging of Interferometric Data

Joseph Farah, Peter Galison, Kazunori Akiyama et al
Astrophysical Journal Letters. Vol. 930 (2)
Artikel i vetenskaplig tidskrift
2022

First Sagittarius A* Event Horizon Telescope Results. V. Testing Astrophysical Models of the Galactic Center Black Hole

Kazunori Akiyama, Antxon Alberdi, Walter Alef et al
Astrophysical Journal Letters. Vol. 930 (2)
Artikel i vetenskaplig tidskrift
2022

A Universal Power-law Prescription for Variability from Synthetic Images of Black Hole Accretion Flows

Boris Georgiev, Dominic W. Pesce, Avery E. Broderick et al
Astrophysical Journal Letters. Vol. 930 (2)
Artikel i vetenskaplig tidskrift
2022

First Sagittarius A<sup>*</sup> Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole in the Center of the Milky Way

Kazunori Akiyama, Antxon Alberdi, Walter Alef et al
Astrophysical Journal Letters. Vol. 930 (2)
Artikel i vetenskaplig tidskrift
2022

Millimeter Light Curves of Sagittarius A* Observed during the 2017 Event Horizon Telescope Campaign

Maciek Wielgus, Nicola Marchili, Ivan Marti-Vidal et al
Astrophysical Journal Letters. Vol. 930 (2)
Artikel i vetenskaplig tidskrift
2022

Burst timescales and luminosities as links between young pulsars and fast radio bursts

K. Nimmo, J. W. T. Hessels, Franz Kirsten et al
Nature Astronomy. Vol. 6 (3), p. 393-401
Artikel i vetenskaplig tidskrift
2022

Sub-arcsecond LOFAR imaging of Arp 299 at 150 MHz: Tracing the nuclear and diffuse extended emission of a bright LIRG

Naim Ramirez-Olivencia, Eskil Varenius, M.A. Pérez-Torres et al
Astronomy and Astrophysics. Vol. 658
Artikel i vetenskaplig tidskrift
2022

First Sagittarius A* Event Horizon Telescope Results. VI. Testing the Black Hole Metric

Kazunori Akiyama, Antxon Alberdi, Walter Alef et al
Astrophysical Journal Letters. Vol. 930 (2)
Artikel i vetenskaplig tidskrift
2022

Identifying active galactic nuclei via brightness temperature with sub-arcsecond international LOFAR telescope observations

Leah K. Morabito, F. Sweijen, J. F. Radcliffe et al
Monthly Notices of the Royal Astronomical Society. Vol. 515 (4), p. 5758-5774
Artikel i vetenskaplig tidskrift
2022

The Variability of the Black Hole Image in M87 at the Dynamical Timescale

Kaushik Satapathy, Dimitrios Psaltis, Feryal Ozel et al
Astrophysical Journal. Vol. 925 (1)
Artikel i vetenskaplig tidskrift
2022

SEPIA345: A 345 GHz dual polarization heterodyne receiver channel for SEPIA at the APEX telescope

Denis Meledin, Igor Lapkin, Mathias Fredrixon et al
Astronomy and Astrophysics. Vol. 668
Artikel i vetenskaplig tidskrift
2022

Sub-arcsecond imaging with the International LOFAR Telescope: I. Foundational calibration strategy and pipeline

L. Morabito, N. J. Jackson, S. Mooney et al
Astronomy and Astrophysics. Vol. 658
Artikel i vetenskaplig tidskrift
2022

First Sagittarius A* Event Horizon Telescope Results. III. Imaging of the Galactic Center Supermassive Black Hole

Kazunori Akiyama, Antxon Alberdi, Walter Alef et al
Astrophysical Journal Letters. Vol. 930 (2)
Artikel i vetenskaplig tidskrift
2022

The LOFAR Two-metre Sky Survey: V. Second data release

T. W. Shimwell, M. J. Hardcastle, C. Tasse et al
Astronomy and Astrophysics. Vol. 659
Artikel i vetenskaplig tidskrift
2022

First Sagittarius A* Event Horizon Telescope Results. IV. Variability, Morphology, and Black Hole Mass

Kazunori Akiyama, Antxon Alberdi, Walter Alef et al
Astrophysical Journal Letters. Vol. 930 (2)
Artikel i vetenskaplig tidskrift
2022

The science case and challenges of space-borne sub-millimeter interferometry

Gurvits, Zsolt Paragi, Amils et al
Acta Astronautica. Vol. 196, p. 314-333
Artikel i vetenskaplig tidskrift
2021

Event Horizon Telescope observations of the jet launching and collimation in Centaurus A

Michael Janssen, H.D. Falcke, M. Kadler et al
Nature Astronomy. Vol. 5 (10), p. 1017-1028
Artikel i vetenskaplig tidskrift
2021

Constraints on black-hole charges with the 2017 EHT observations of M87∗

Prashant Kocherlakota, Luciano Rezzolla, Heino Falcke et al
Physical Review D. Vol. 103 (10)
Artikel i vetenskaplig tidskrift
2021

THEZA: TeraHertz Exploration and Zooming-in for Astrophysics

Leonid I. Gurvits, Zsolt Paragi, Viviana Casasola et al
Experimental Astronomy. Vol. 51 (3), p. 559-594
Artikel i vetenskaplig tidskrift
2021

The science case and challenges of spaceborne sub-millimeter interferometry: the study case of TeraHertz Exploration and Zooming-in for Astrophysics (THEZA)

L. I. Gurvits, Z. Paragi, Ricardo I. Amils et al
Proceedings of the International Astronautical Congress, IAC. Vol. A7
Paper i proceeding
2021

First M87 Event Horizon Telescope Results. VIII. Magnetic Field Structure near The Event Horizon

Kazunori Akiyama, Juan Carlos Algaba, Antxon Alberdi et al
Astrophysical Journal Letters. Vol. 910 (1)
Artikel i vetenskaplig tidskrift
2021

Broadband Multi-wavelength Properties of M87 during the 2017 Event Horizon Telescope Campaign

Juan-Carlos Algaba, Jadyn Anczarski, Keiichi Asada et al
Astrophysical Journal Letters. Vol. 911 (1)
Reviewartikel
2021

Polarimetric Properties of Event Horizon Telescope Targets from ALMA

Ciriaco Goddi, Ivan Marti-Vidal, Hugo Messias et al
Astrophysical Journal Letters. Vol. 910 (1)
Artikel i vetenskaplig tidskrift
2021

Low-frequency radio spectra of submillimetre galaxies in the Lockman Hole

J. Ramasawmy, J.E. Geach, M. J. Hardcastle et al
Astronomy and Astrophysics. Vol. 648
Artikel i vetenskaplig tidskrift
2021

The Polarized Image of a Synchrotron-emitting Ring of Gas Orbiting a Black Hole

Ramesh Narayan, Daniel C. M. Palumbo, Michael D. Johnson et al
Astrophysical Journal. Vol. 912 (1)
Artikel i vetenskaplig tidskrift
2021

First M87 Event Horizon Telescope Results. VII. Polarization of the Ring

Kazunori Akiyama, Juan Carlos Algaba, Antxon Alberdi et al
Astrophysical Journal Letters. Vol. 910 (1)
Artikel i vetenskaplig tidskrift
2020

Event Horizon Telescope imaging of the archetypal blazar 3C 279 at an extreme 20 microarcsecond resolution

Jae-Young Kim, T.P. Krichbaum, Avery E. Broderick et al
Astronomy and Astrophysics. Vol. 640
Artikel i vetenskaplig tidskrift
2020

Gravitational Test beyond the First Post-Newtonian Order with the Shadow of the M87 Black Hole

Dimitrios Psaltis, Lia Medeiros, Pierre Christian et al
Physical Review Letters. Vol. 125 (14)
Artikel i vetenskaplig tidskrift
2020

Monitoring the Morphology of M87* in 2009-2017 with the Event Horizon Telescope

Maciek Wielgus, Kazunori Akiyama, Lindy Blackburn et al
Astrophysical Journal. Vol. 901 (1)
Artikel i vetenskaplig tidskrift
2020

Verification of Radiative Transfer Schemes for the EHT

Ralph P. Eatough, R. Gold, Avery E. Broderick et al
Astrophysical Journal. Vol. 897 (2)
Artikel i vetenskaplig tidskrift
2020

SYMBA: An end-to-end VLBI synthetic data generation pipeline: Simulating Event Horizon Telescope observations of M 87

F. Roelofs, Michael Janssen, Iniyan Natarajan et al
Astronomy and Astrophysics. Vol. 636
Artikel i vetenskaplig tidskrift
2020

The case against gravitational millilensing in the multiply-imaged quasar B1152+199

Saghar Asadi, Erik Zackrisson, Eskil Varenius et al
Monthly Notices of the Royal Astronomical Society. Vol. 492 (1), p. 742-748
Artikel i vetenskaplig tidskrift
2020

THEMIS: A Parameter Estimation Framework for the Event Horizon Telescope

Avery E. Broderick, R. Gold, Mansour Karami et al
Astrophysical Journal. Vol. 897 (2)
Artikel i vetenskaplig tidskrift
2020

A parsec-scale radio jet launched by the central intermediate-mass black hole in the dwarf galaxy SDSS J090613.77+561015.2

Jun Yang, Leonid I. Gurvits, Zsolt Paragi et al
Monthly Notices of the Royal Astronomical Society: Letters. Vol. 495 (1), p. L71-L75
Artikel i vetenskaplig tidskrift
2019

First M87 Event Horizon Telescope Results. VI. The Shadow and Mass of the Central Black Hole

Kazunori Akiyama, Antxon Alberdi, Walter Alef et al
Astrophysical Journal Letters. Vol. 875 (1)
Artikel i vetenskaplig tidskrift
2019

First M87 Event Horizon Telescope Results. II. Array and Instrumentation

Kazunori Akiyama, Antxon Alberdi, Walter Alef et al
Astrophysical Journal Letters. Vol. 875 (1)
Artikel i vetenskaplig tidskrift
2019

The LOFAR Two-metre Sky Survey: II. First data release

T. W. Shimwell, C. Tasse, M. J. Hardcastle et al
Astronomy and Astrophysics. Vol. 622
Reviewartikel
2019

Molecular gas and dust properties of galaxies from the Great Observatories All-sky LIRG Survey

R. Herrero-Illana, G. C. Privon, A. S. Evans et al
Astronomy and Astrophysics. Vol. 628
Artikel i vetenskaplig tidskrift
2019

First M87 Event Horizon Telescope Results. I. the Shadow of the Supermassive Black Hole

Kazunori Akiyama, Antxon Alberdi, Walter Alef et al
Astrophysical Journal Letters. Vol. 875 (1)
Artikel i vetenskaplig tidskrift
2019

The population of SNe/SNRs in the starburst galaxy Arp 220 - A self-consistent analysis of 20 years of VLBI monitoring

Eskil Varenius, John Conway, Fabien Batejat et al
Astronomy and Astrophysics. Vol. 623
Artikel i vetenskaplig tidskrift
2019

The Event Horizon General Relativistic Magnetohydrodynamic Code Comparison Project

Oliver Porth, Koushik Chatterjee, Ramesh Narayan et al
Astrophysical Journal, Supplement Series. Vol. 243 (2)
Artikel i vetenskaplig tidskrift
2019

First M87 Event Horizon Telescope Results. III. Data Processing and Calibration

Kazunori Akiyama, Antxon Alberdi, Walter Alef et al
Astrophysical Journal Letters. Vol. 875 (1)
Artikel i vetenskaplig tidskrift
2019

First M87 Event Horizon Telescope Results. V. Physical Origin of the Asymmetric Ring

Kazunori Akiyama, Antxon Alberdi, Walter Alef et al
Astrophysical Journal Letters. Vol. 875 (1)
Artikel i vetenskaplig tidskrift
2019

Wideband single pixel feed system over 4.6-24 GHz for the Square Kilometre Array

Jonas Flygare, Bin Dong, Jian Yang et al
Proceedings of the 2019 21st International Conference on Electromagnetics in Advanced Applications, ICEAA 2019, p. 630-635
Paper i proceeding
2019

First M87 Event Horizon Telescope Results. IV. Imaging the Central Supermassive Black Hole

Kazunori Akiyama, Antxon Alberdi, Walter Alef et al
Astrophysical Journal Letters. Vol. 875 (1)
Artikel i vetenskaplig tidskrift
2019

Status of the Onsala Twin Telescopes – Two Years After the Inauguration

Rüdiger Haas, Simon Casey, John Conway et al
Proceedings of the 24th European VLBI Group for Geodesy and Astrometry Working Meeting, p. 5-9
Paper i proceeding
2018

Design trade-offs in feed systems for ultra-wideband VLBI observations

Jonas Flygare, Miroslav Pantaleev, John Conway et al
Övrigt konferensbidrag
2018

Reliable detection and characterization of low-frequency polarized sources in the LOFAR M51 field

A. Neld, Cathy Horellou, D. D. Mulcahy et al
Astronomy and Astrophysics. Vol. 617
Artikel i vetenskaplig tidskrift
2018

Continuum and Spectral Line Radiation from a Random Clumpy Medium

John Conway, Moshe Elitzur, Rodrigo Parra Barraza
Astrophysical Journal. Vol. 865 (1)
Artikel i vetenskaplig tidskrift
2018

SEPIA - A new single pixel receiver at the APEX telescope

Victor Belitsky, Igor Lapkin, Mathias Fredrixon et al
Astronomy and Astrophysics. Vol. 612
Artikel i vetenskaplig tidskrift
2018

LOFAR MSSS: Flattening low-frequency radio continuum spectra of nearby galaxies

K.T. Chyz̊y, W. Jurusik, J. Piotrowska et al
Astronomy and Astrophysics. Vol. 619
Artikel i vetenskaplig tidskrift
2018

Measuring size evolution of distant, faint galaxies in the radio regime

Lukas Lindroos, Kirsten Kraiberg Knudsen, Flora Stanley et al
Monthly Notices of the Royal Astronomical Society. Vol. 476 (3), p. 3544-3554
Artikel i vetenskaplig tidskrift
2018

Ultra-wideband feed systems for the EVN and SKA - evaluated for VGOS

Jonas Flygare, Miroslav Pantaleev, John Conway et al
Övrigt konferensbidrag
2017

The LOFAR Two-metre Sky Survey: I. Survey description and preliminary data release

T. W. Shimwell, H. Rottgering, P. N. Best et al
Astronomy and Astrophysics. Vol. 598, p. Art no A104-
Artikel i vetenskaplig tidskrift
2017

Atomic hydrogen bridge fueling NGC 4418 with gas from VV 655

Eskil Varenius, Francesco Costagliola, H. R. Klockner et al
Astronomy and Astrophysics. Vol. 607
Artikel i vetenskaplig tidskrift
2017

The Onsala Twin Telescopes Project

Gunnar Elgered, Rüdiger Haas, John Conway et al
The 23rd Working Meeting of the European VLBI Group for Geodesy and Astrometry (EVGA), Gothenburg, May 14–18, 2017
Poster (konferens)
2017

Unveiling the AGN in IC 883: discovery of a parsec-scale radio jet

C. Romero-Cañizales, Antxon Alberdi, C. Ricci et al
Monthly Notices of the Royal Astronomical Society. Vol. 467 (2), p. 2504-2516
Artikel i vetenskaplig tidskrift
2017

The Onsala Twin Telescopes: the Status at the Time for the Inauguration

Gunnar Elgered, Rüdiger Haas, John Conway et al
Proceedings of the 23rd European VLBI Group for Geodesy and Astrometry Working Meeting, p. 136-139
Övrigt konferensbidrag
2016

Extragalactic Water Megamasers using ALMA Band 5

Liz Humphreys, Maud Galametz, Wouter Vlemmings et al
ALMA meeting
Poster (konferens)
2016

A large light-mass component of cosmic rays at 10(17)-10(17.5) electronvolts from radio observations

S. Buitink, A. Corstanje, H. Faleke et al
Nature. Vol. 531 (7592), p. 70-+
Artikel i vetenskaplig tidskrift
2016

Estimating sizes of faint, distant galaxies in the submillimetre regime

Lukas Lindroos, Kirsten Kraiberg Knudsen, L. Fan et al
Monthly Notices of the Royal Astronomical Society. Vol. 462 (2), p. 1192-1202
Artikel i vetenskaplig tidskrift
2016

In memory of Professor Per-Simon Kildal

Arne Svensson, Jan Carlsson, John Conway et al
IEEE Antennas and Propagation Magazine. Vol. 58 (4), p. 116-117
Övrig text i vetenskaplig tidskrift
2016

Detection of 183 GHz H2O megamaser emission towards NGC 4945

E. M. Humphreys, Wouter Vlemmings, C. M. V. Impellizzeri et al
Astronomy and Astrophysics. Vol. 592 (L13)
Artikel i vetenskaplig tidskrift
2016

LOFAR/H-ATLAS: a deep low-frequency survey of the Herschel-ATLAS North Galactic Pole field

M. J. Hardcastle, G. Gurkan, R. J. van Weeren et al
Monthly Notices of the Royal Astronomical Society. Vol. 462 (2), p. 1910-1936
Artikel i vetenskaplig tidskrift
2016

LBCS: The LOFAR Long-Baseline Calibrator Survey

N. Jackson, A. Tagore, A. Deller et al
Astronomy and Astrophysics. Vol. 595, p. Art no A86-
Artikel i vetenskaplig tidskrift
2016

Subarcsecond international LOFAR radio images of Arp 220 at 150 MHz: A kpc-scale star forming disk surrounding nuclei with shocked outflows

Eskil Varenius, John Conway, Ivan Marti-Vidal et al
Astronomy and Astrophysics. Vol. 593, p. A86-
Artikel i vetenskaplig tidskrift
2016

Calibration of mixed-polarization interferometric observations Tools for the reduction of interferometric data from elements with linear and circular polarization receivers

Ivan Marti-Vidal, A. Roy, John Conway et al
Astronomy and Astrophysics. Vol. 587, p. A143-
Artikel i vetenskaplig tidskrift
2016

LOFAR 150-MHz observations of the Bootes field: catalogue and source counts

W. L. Williams, R. J. van Weeren, H. Rottgering et al
Monthly Notices of the Royal Astronomical Society. Vol. 460 (3), p. 2385-2412
Artikel i vetenskaplig tidskrift
2016

The Africa Millimetre Telescope

M. Backes, C. Müller, John Conway et al
Proceedings of Science. Vol. 2016-January
Paper i proceeding
2016

an overview of the MHONGOOSE survey: Observing nearby galaxies with MeerKAT

W.J.G. de Blok, E. A.K. Adams, P. Amram et al
Proceedings of Science
Paper i proceeding
2016

LOFAR MSSS: detection of a low-frequency radio transient in 400 h of monitoring of the North Celestial Pole

A. J. Stewart, R. P. Fender, J. W. Broderick et al
Monthly Notices of the Royal Astronomical Society. Vol. 456 (3), p. 2321-2342
Artikel i vetenskaplig tidskrift
2015

A new 3 mm band receiver for the Onsala 20 m antenna

Victor Belitsky, Igor Lapkin, Mathias Fredrixon et al
Astronomy and Astrophysics. Vol. 580
Artikel i vetenskaplig tidskrift
2015

THE 2014 ALMA LONG BASELINE CAMPAIGN: AN OVERVIEW

E. B. Fomalont, C. Vlahakis, S. Corder et al
Astrophysical Journal Letters. Vol. 808 (1)
Artikel i vetenskaplig tidskrift
2015

Stacking of Interferometric Data: New Tools for Stacking of ALMA Data

Kirsten Kraiberg Knudsen, Lukas Lindroos, Wouter Vlemmings et al
4th ALMA Science Conference on Revolution in Astronomy with ALMA: The Third Year, Tokyo, Japan, 8-11 December. Vol. 499, p. 81-82
Övrigt konferensbidrag
2015

Stacking of SKA data: comparing uv-plane and and image-plane stacking

Kirsten Kraiberg Knudsen, Lukas Lindroos, Wouter Vlemmings et al
Proceedings of Science. Vol. 9-13-June-2014
Paper i proceeding
2015

AGN duty cycle estimates for the ultra-steep spectrum radio relic VLSS J1431.8+1331

A. Shulevski, R. Morganti, P. D. Barthel et al
Astronomy and Astrophysics. Vol. 583, p. A89-
Artikel i vetenskaplig tidskrift
2015

Wide-field LOFAR imaging of the field around the double-double radio galaxy B1834+620 A fresh view on a restarted AGN and doubeltjes

E. Orru, S. van Velzen, R. F. Pizzo et al
Astronomy and Astrophysics. Vol. 584
Artikel i vetenskaplig tidskrift
2015

The LOFAR Multifrequency Snapshot Sky Survey (MSSS) I. Survey description and first results

G. H. Heald, R. F. Pizzo, E. Orru et al
Astronomy and Astrophysics. Vol. 582, p. 22-
Artikel i vetenskaplig tidskrift
2015

Stacking of large interferometric data sets in the image- and uv-domain - a comparative study

Lukas Lindroos, Kirsten Kraiberg Knudsen, Wouter Vlemmings et al
Monthly Notices of the Royal Astronomical Society. Vol. 446 (4), p. 3502-3515
Artikel i vetenskaplig tidskrift
2015

LBCS: The LOFAR long baseline snapshot calibrator survey

J. Moldon, A. T. Deller, O. Wucknitz et al
Astronomy and Astrophysics. Vol. 574, p. Art. no. A73-
Artikel i vetenskaplig tidskrift
2015

First 230? GHz VLBI fringes on 3C 279 using the APEX Telescope (Research Note)

Jan Wagner, A. Roy, T.P. Krichbaum et al
Astronomy and Astrophysics. Vol. 581
Artikel i vetenskaplig tidskrift
2015

EXCITATION MECHANISMS FOR HCN(1-0) AND HCO+ (1-0) IN GALAXIES FROM THE GREAT OBSERVATORIES ALL-SKY LIRG SURVEY

G. Privon, R. Herrero-Illana, A. S. Evans et al
Astrophysical Journal. Vol. 814 (1)
Artikel i vetenskaplig tidskrift
2015

Subarcsecond international LOFAR radio images of the M82 nucleus at 118 MHz and 154 MHz

Eskil Varenius, John Conway, Ivan Marti-Vidal et al
Astronomy and Astrophysics. Vol. 574, p. Art. no. A114-
Artikel i vetenskaplig tidskrift
2014

The nature of the low-frequency emission of M 51 First observations of a nearby galaxy with LOFAR

D. D. Mulcahy, A. Horneffer, R. Beck et al
Astronomy and Astrophysics. Vol. 568, p. Article no. A74-
Artikel i vetenskaplig tidskrift
2014

Solving the polarization problem in ALMA-VLBI observations

Ivan Marti-Vidal, John Conway, Michael Lindqvist et al
Proceedings of Science
Paper i proceeding
2014

The LOFAR long baseline snapshot calibrator survey

J. Moldón, A. T. Deller, J. P. McKean et al
Proceedings of Science. Vol. 2014
Paper i proceeding
2014

The nature of supernovae 2010O and 2010P in Arp 299 - II. Radio emission

C. Romero-Cañizales, R. Herrero-Illana, Miguel Angel Perez-Torres et al
Monthly Notices of the Royal Astronomical Society. Vol. 440 (2), p. 1067-1079
Artikel i vetenskaplig tidskrift
2014

The radio core structure of the luminous infrared galaxy NGC4418 A young clustered starburst revealed?

Eskil Varenius, John Conway, Ivan Marti-Vidal et al
Astronomy and Astrophysics. Vol. 566
Artikel i vetenskaplig tidskrift
2014

Initial LOFAR observations of epoch of reionization windows II. Diffuse polarized emission in the ELAIS-N1 field

V. Jelic, A. G. de Bruyn, M. Mevius et al
Astronomy and Astrophysics. Vol. 568
Artikel i vetenskaplig tidskrift
2014

Discovery of Carbon Radio Recombination Lines in M82

L. K. Morabito, J. B. R. Oonk, F. Salgado et al
Astrophysical Journal Letters. Vol. 795 (2), p. Art. no. L33-
Reviewartikel
2014

Discovery of carbon radio recombination lines in absorption towards Cygnus A

J. B. R. Oonk, R. J. van Weeren, F. Salgado et al
Monthly Notices of the Royal Astronomical Society. Vol. 437 (4), p. 3506-3515
Artikel i vetenskaplig tidskrift
2014

LOFAR tied-array imaging of Type III solar radio bursts

D. E. Morosan, P. T. Gallagher, P. Zucca et al
Astronomy and Astrophysics. Vol. 568, p. articl no. A67-
Artikel i vetenskaplig tidskrift
2014

EVN imaging of the LIRGI sample

Naim Ramirez-Olivencia, M.A. Pérez-Torres, Antxon Alberdi et al
Proceedings of Science
Paper i proceeding
2014

Core-collapse and type ia supernovae with the SKA

Miguel Angel Perez-Torres, Antxon Alberdi, R. J. Beswick et al
Proceedings of Science. Vol. 9-13-June-2014
Paper i proceeding
2014

SKA studies of nearby galaxies: Star-formation, accretion processes and molecular gas across all environments

R. J. Beswick, E. Brinks, Miguel Angel Perez-Torres et al
Proceedings of Science. Vol. 9-13-June-2014
Paper i proceeding
2013

LOFAR detections of low-frequency radio recombination lines towards Cassiopeia A

A. Asgekar, J. B. R. Oonk, S. Yatawatta et al
Astronomy and Astrophysics. Vol. 551
Artikel i vetenskaplig tidskrift
2013

Initial deep LOFAR observations of epoch of reionization windows I. The north celestial pole

S. Yatawatta, A. G. de Bruyn, M. A. Brentjens et al
Astronomy and Astrophysics. Vol. 550
Artikel i vetenskaplig tidskrift
2013

The "Sausage" and "Toothbrush" clusters of galaxies and the prospects of LOFAR observations of clusters of galaxies

H. Rottgering, R. van Weeren, M. Brüggen et al
Astronomische Nachrichten. Vol. 334 (4-5), p. 333-337
Artikel i vetenskaplig tidskrift
2013

Studying Galactic interstellar turbulence through fluctuations in synchrotron emission: First LOFAR Galactic foreground detection

M. Iacobelli, M. Haverkorn, E. Orru et al
Astronomy and Astrophysics. Vol. 558, p. 721-
Artikel i vetenskaplig tidskrift
2013

LOFAR: The low-frequency array

M. P. van Haarlem, M. W. Wise, A.W. Gunst et al
Astronomy and Astrophysics. Vol. 556
Reviewartikel
2012

The circumnuclear cold gas environments of the powerful radio galaxies 3C 236 and 4C 31.04

Christian Struve, John Conway
Astronomy and Astrophysics. Vol. 546, p. Article Number: A22-
Artikel i vetenskaplig tidskrift
2012

10 years of 12.2 GHz methanol maser VLBI observations towards NGC 7538 IRS1 N: proper motions and maser saturation

Michele Pestalozzi, A. Jerkstrand, John Conway
Proceedings of the International Astronomical Union. Vol. 8 (5287), p. 186-187
Paper i proceeding
2012

e-MERLIN and VLBI observations of the luminous infrared galaxy IC 883: a nuclear starburst and an AGN candidate revealed

C. Romero-Cañizales, Miguel Angel Perez-Torres, Antxon Alberdi et al
Astronomy and Astrophysics. Vol. 543, p. Article Number: A72-
Artikel i vetenskaplig tidskrift
2012

Rapid variability of the compact radio sources in Arp220 Evidence for a population of microblazars?

Fabien Batejat, John Conway, Anthony Rushton et al
Astronomy and Astrophysics. Vol. 542
Artikel i vetenskaplig tidskrift
2012

LOFAR calibration and wide-field imaging

C. Tasse, G. van Diepen, S. van der Tol et al
Comptes Rendus Physique. Vol. 13 (1), p. 28-32
Övrig text i vetenskaplig tidskrift
2012

The LOFAR radio environment

A. R. Offringa, A. G. de Bruyn, S. Zaroubi et al
Astronomy and Astrophysics. Vol. 549
Artikel i vetenskaplig tidskrift
2012

First LOFAR observations at very low frequencies of cluster-scale non-thermal emission: the case of Abell 2256

R. J. van Weeren, H. Rottgering, D. Rafferty et al
Astronomy and Astrophysics. Vol. 543, p. Article Number: A43 -
Artikel i vetenskaplig tidskrift
2012

M 87 at metre wavelengths: the LOFAR picture

F. De Gasperin, E. Orru, M. Murgia et al
Astronomy and Astrophysics. Vol. 547, p. article no. 56-
Artikel i vetenskaplig tidskrift
2011

Observing pulsars and fast transients with LOFAR

B. W. Stappers, J. W. T. Hessels, A. Alexov et al
Astronomy and Astrophysics. Vol. 530
Artikel i vetenskaplig tidskrift
2011

Resolution of the Compact Radio Continuum Sources in Arp220

Fabien Batejat, John Conway, Rossa Hurley et al
Astrophysical Journal. Vol. 740 (2)
Artikel i vetenskaplig tidskrift
2011

LOFAR: Recent Imaging Results and Future Prospects

G. Heald, M. R. Bell, A. Horneffer et al
Journal of Astrophysics and Astronomy. Vol. 32 (4), p. 589-598
Artikel i vetenskaplig tidskrift
2011

LOFAR and APERTIF Surveys of the Radio Sky: Probing Shocks and Magnetic Fields in Galaxy Clusters

H. Rottgering, J. Afonso, P. D. Barthel et al
Journal of Astrophysics and Astronomy. Vol. 32 (4), p. 557-566
Artikel i vetenskaplig tidskrift
2010

An HI absorbing circumnuclear disk in Cygnus A

C. Struve, John Conway
Astronomy and Astrophysics. Vol. 513 ((April)), p. (Article Number: A10)-
Artikel i vetenskaplig tidskrift
2010

COLA. III. RADIO DETECTION OF ACTIVE GALACTIC NUCLEUS IN COMPACT MODERATE LUMINOSITY INFRARED GALAXIES

Rodrigo Parra Barraza, John Conway, Susanne Aalto et al
Astrophysical Journal. Vol. 720 (1), p. 555-568
Artikel i vetenskaplig tidskrift
2009

P Cygni Profiles of Molecular Lines Toward Arp 220 Nuclei

K. Sakamoto, Susanne Aalto, D.J. Wilner et al
Astrophysical Journal Letters. Vol. 700 (2), p. L104-L108
Artikel i vetenskaplig tidskrift
2009

A differentially rotating disc in a high-mass protostellar system

M.R. Pestalozzi, M. Elitzur, John Conway
Astronomy and Astrophysics. Vol. 501, p. 999-1011
Artikel i vetenskaplig tidskrift
2009

Scientific applications of e-VLBI

John Conway
Proceedings of Science. Vol. 82
Paper i proceeding
2009

Continuum surveys with LOFAR and synergy with future large surveys in the 1 – 2 GHz band

R. Morganti, H. Rottgering, I. Snellen et al
Proceedings of Science. Vol. 89
Paper i proceeding
2009

e-VLBI related activities at Onsala Space Observatory

Simon Casey, Rüdiger Haas, Michael Lindqvist et al
Proceedings of the 8th International e-VLBI Workshop. 22-26 June 2009. Madrid, Spain
Paper i proceeding
2009

Future investigations of GPS and CSS radio sources with LOFAR

I. Snellen, H.J.A. Rottgering, P. D. Barthel et al
Astronomische Nachrichten. Vol. 330 (2-3), p. 297-300
Artikel i vetenskaplig tidskrift
2007

A general catalogue of 6.7 GHz methanol masers. II. statistical analysis

Michele Pestalozzi, A Chrysostomou, J Collett et al
Astronomy and Astrophysics. Vol. 463, p. 1009-
Artikel i vetenskaplig tidskrift
2007

The radio spectra of the compact sources in Arp 220: A mixed population of

Rodrigo Parra Barraza, John Conway, P.J. Diamond et al
Astrophysical Journal. Vol. 659, p. 314-
Artikel i vetenskaplig tidskrift
2007

Radio properties of young SNe/SNRs in Arp220

John Conway, Rossa Hurley
Proceedings of Science. Vol. 52
Paper i proceeding
2006

Discovery of two new methanol masers in NGC 7538

M.R. Pestalozzi, V. Minier, F. Motte et al
Astronomy & Astrophysics. Vol. 448, p. L57-L60
Artikel i vetenskaplig tidskrift
2006

Multiwavelength radio observations of the compact starburst in Arp 220

Rodrigo Parra Barraza, John Conway, P. J. Diamond et al
Proceedings of Science. Vol. 36
Paper i proceeding
2005

A Thin Ring Model for the OH Megamaser in IIIZW35

Rodrigo Parra Barraza, John Conway, M. Elitzur
Astrophysics and Space Science. Vol. 295 (1-2), p. 325-330
Artikel i vetenskaplig tidskrift
2005

Continuum EVN and MERLIN observations of ultra luminous infrared galaxies

A.G. Polatidis, John Conway, Ylva Pihlström et al
Astrophysics and Space Science. Vol. 295 (1-2), p. 297-302
Artikel i vetenskaplig tidskrift
2005

Preliminary Results from the COLAN Sample

Rodrigo Parra Barraza, John Conway, J. Appleton et al
in Proceedings of “The Evolution of Starbursts”, Bad Honnef 16-20 August 2004, eds. S. Hüttemeister, E. Manthey, D. Bomans, K. Weis, AIP Conf. Proc., American Institute of Physics (783), p. 241-244
Artikel i vetenskaplig tidskrift
2005

NGC7538 Irs1N: Modelling a Circumstellar Maser Disc

Michele Pestalozzi, M. Elitzur, John Conway et al
Astrophysics and Space Science. Vol. 295 (1-2), p. 295-331
Artikel i vetenskaplig tidskrift
2005

A compact starburst ring traced by clumpy OH megamaser emission

Rodrigo Parra Barraza, John Conway, M. Elitzur et al
Astronomy & Astrophysics. Vol. 443, p. 383-396
Artikel i vetenskaplig tidskrift
2005

Spectral Line and Continuum Radiation Propagation in a Clumpy Medium

John Conway, M. Elitzur, Rodrigo Parra Barraza
Astrophysics and Space Science. Vol. 295 (1-2), p. 319-324
Artikel i vetenskaplig tidskrift
2005

Cotinuum EVN and MERLIN Observations of Ultra Luminous Infrared Galaxies

A.G. Polatidis, John Conway, Rodrigo Parra Barraza et al
in Proceedings of “The Evolution of Starbursts”, Bad Honnef 16-20 August 2004, eds. S. Hüttemeister, E. Manthey, D. Bomans, K. Weis, AIP Conf. Proc., American Institute of Physics (783), p. 361-366
Paper i proceeding
2005

SiO Masers in TX Cam: Simultaneous VLBA Observations of Two 43 GHz Masers at Four Epochs

Jiyune Yi, Roy Booth, John Conway et al
Astronomy & Astrophysics. Vol. 432, p. 531-
Artikel i vetenskaplig tidskrift
2004

A circumstellar disk in a high-mass star-forming region

Michele Pestalozzi, Moshe Elitzur, John Conway et al
Astrophysical Journal. Vol. 603 (2), p. L113-L116
Artikel i vetenskaplig tidskrift
2004

Millimetre VLBI monitoring of AGN with sub-milliarcsecond resolution

A. Pagels, T.T. Krischbaum, D.A. Graham et al
in "Proceedings of the 7th European VLBI Network Symposium", Oct. 2004, Toledo, eds. R. Bachiller, F. Colomer, J.F. Desmurs, P. de Vicente, Obs. Astronómico Nacional, Alcala de Henares, Spain, p. 7-10
Övrigt konferensbidrag
2004

EVN and MERLIN Observations of a Complete Sample of Ultra Luminous Infrared Galaxies

A. Polatidis, John Conway, Y. Pihlström
in Proceedings of "The Neutral ISM in Starburst Galaxies", Marstrand, June 2003, eds. Aalto S., Huettemeister S., Pedlar A., Astronomical Society of the Pacific Conf. Series, San Francisco, p. 226-229
Paper i proceeding
2004

Modelling OH Megamasers in by Clumpy Starburst Rings

John Conway, Rodrigo Parra Barraza
in Proceedings of "The Neutral ISM in Starburst Galaxies", Marstrand, June 2003, eds. Aalto S., Huettemeister S., Pedlar A., Astronomical Society of the Pacific Conf. Series, San Francisco, p. 191-194
Paper i proceeding
2004

Continuum EVN and MERLIN observations of ultra luminous infrared galaxies

A.G. Polatidis, John Conway
in "Proceedings of the 7th European VLBI Network Symposium", Oct. 2004, Toledo, eds. R. Bachiller, F. Colomer, J.F. Desmurs, P. de Vicente, Obs. Astronómico Nacional, Alcala de Henares, Spain, p. 231-234
Övrigt konferensbidrag
2004

Erratum: "A Circumstellar Disk in a High-Mass Star-forming Region" (ApJ, 603, L113)

Michele Pestalozzi, Moshe Elitzur, John Conway et al
The Astrophysical Journal. Vol. 606 (2), p. L173-
Artikel i vetenskaplig tidskrift
2004

Towards the event horizon - the vicinity of AGN at micro-arcsecond resolution

T.T. Krischbaum, D.A. Graham, M. Bremer et al
in "Proceedings of the 7th European VLBI Network Symposium", Oct. 2004, Toledo, eds. R. Bachiller, F. Colomer, J.F. Desmurs, P. de Vicente, Obs. Astronómico Nacional, Alcala de Henares, Spain, p. 15-18
Övrigt konferensbidrag

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Visar 8 forskningsprojekt

2017–2021

LOFAR för rymdväder

John Conway Onsala rymdobservatorium
Europeiska kommissionen (EU)

2 publikationer finns
2017–2020

RadioNet 4

John Conway Onsala rymdobservatorium
Europeiska kommissionen (EU)

15 publikationer finns
2017–2019

Advanced European Network of E-infrastructures for Astronomy with the SKA (AENEAS)

John Conway Onsala rymdobservatorium
Europeiska kommissionen (EU)

2016–2021

Joining up Users for Maximising the Profile, the Innovation and the Necessary Globalisation of JIVE (Jumping Jive)

John Conway Onsala rymdobservatorium
Europeiska kommissionen (EU)

1 publikation finns
2016–2019

Nyckelteknologi Utveckling för Ultrabredband Gruppantenn Radio Astronomisystem och undersökning av nya Begrepp för framtida millimeter och Terahertz radioteleskop

Jian Yang Antennsystem
Marianna Ivashina Antennsystem
Rob Maaskant Antennsystem
John Conway Onsala rymdobservatorium
Miroslav Pantaleev Onsala rymdobservatorium
Bhushan Billade Onsala rymdobservatorium
STINT

3 publikationer finns
2013–2016

Preparing for MID-SKA receiving concepts in South-Africa (MIDPREP)

John Conway Onsala rymdobservatorium
Europeiska kommissionen (EU)

2012–2015

Advanced Radio Astronomy in Europe (RADIONET3)

John Conway Onsala rymdobservatorium
Europeiska kommissionen (EU)

18 publikationer finns
2010–2013

Novel EXplorations Pushing Robust e-VLBI Services (NEXPReS)

John Conway Onsala rymdobservatorium
Europeiska kommissionen (EU)

5 publikationer finns
Det kan finnas fler projekt där John Conway medverkar, men du måste vara inloggad som anställd på Chalmers för att kunna se dem.