Astronomy & Astrophysics (A&A)

Free Access

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

L. K. Morabito, N. J. Jackson, S. Mooney, F. Sweijen, S. Badole, P. Kukreti, D. Venkattu, C. Groeneveld, A. Kappes, E. Bonnassieux et al. (64 more)

Published online: 25 January 2022

DOI: https://doi.org/10.1051/0004-6361/202140649

Free Access

Sub-arcsecond imaging with the International LOFAR Telescope - II. Completion of the LOFAR Long-Baseline Calibrator Survey

N. Jackson, S. Badole, J. Morgan, R. Chhetri, K. Prūsis, A. Nikolajevs, L. Morabito, M. Brentjens, F. Sweijen, M. Iacobelli et al. (62 more)

Published online: 25 January 2022

DOI: https://doi.org/10.1051/0004-6361/202140756

Free Access

High-resolution international LOFAR observations of 4C 43.15 - Spectral ages and injection indices in a high-z radio galaxy

F. Sweijen, L. K. Morabito, J. Harwood, R. J. van Weeren, H. J. A. Röttgering, J. R. Callingham, N. Jackson, G. Miley and J. Moldon

Published online: 25 January 2022

DOI: https://doi.org/10.1051/0004-6361/202039871

Free Access

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

N. Ramírez-Olivencia, E. Varenius, M. Pérez-Torres, A. Alberdi, J. E. Conway, A. Alonso-Herrero, M. Pereira-Santaella and R. Herrero-Illana

Published online: 25 January 2022

DOI: https://doi.org/10.1051/0004-6361/202140822

Open Access

Origin of the ring structures in Hercules A - Sub-arcsecond 144 MHz to 7 GHz observations

R. Timmerman, R. J. van Weeren, J. R. Callingham, W. D. Cotton, R. Perley, L. K. Morabito, N. A. B. Gizani, A. H. Bridle, C. P. O’Dea, S. A. Baum et al. (11 more)

Published online: 25 January 2022

DOI: https://doi.org/10.1051/0004-6361/202140880

Free Access

Unmasking the history of 3C 293 with LOFAR sub-arcsecond imaging

Pranav Kukreti, Raffaella Morganti, Timothy W. Shimwell, Leah K. Morabito, Robert J. Beswick, Marisa Brienza, Martin J. Hardcastle, Frits Sweijen, Neal Jackson, George K. Miley et al. (3 more)

Published online: 25 January 2022

DOI: https://doi.org/10.1051/0004-6361/202140814

Free Access

High-resolution imaging with the International LOFAR Telescope: Observations of the gravitational lenses MG 0751+2716 and CLASS B1600+434

S. Badole, D. Venkattu, N. Jackson, S. Wallace, J. Dhandha, P. Hartley, C. Riddell-Rovira, A. Townsend, L. K. Morabito and J. P. McKean

Published online: 25 January 2022

DOI: https://doi.org/10.1051/0004-6361/202141227

Free Access

The resolved jet of 3C 273 at 150 MHz - Sub-arcsecond imaging with the LOFAR international baselines

J. J. Harwood, S. Mooney, L. K. Morabito, J. Quinn, F. Sweijen, C. Groeneveld, E. Bonnassieux, A. Kappes and J. Moldon

Published online: 25 January 2022

DOI: https://doi.org/10.1051/0004-6361/202141579

Free Access

Pushing sub-arcsecond resolution imaging down to 30 MHz with the trans-European International LOFAR Telescope

C. Groeneveld, R. J. van Weeren, G. K. Miley, L. K. Morabito, F. de Gasperin, J. R. Callingham, F. Sweijen, M. Brüggen, A. Botteon, A. Offringa et al. (5 more)

Published online: 25 January 2022

DOI: https://doi.org/10.1051/0004-6361/202141352

Free Access

Spectral analysis of spatially resolved 3C295 (sub-arcsecond resolution) with the International LOFAR Telescope

Etienne Bonnassieux, Frits Sweijen, Marisa Brienza, Kamlesh Rajpurohit, Christopher John Riseley, Annalisa Bonafede, Neal Jackson, Leah K. Morabito, Gianfranco Brunetti, Jeremy Harwood et al. (4 more)

Published online: 25 January 2022

DOI: https://doi.org/10.1051/0004-6361/202141731

Open Access

Subarcsecond view on the high-redshift blazar GB 1508+5714 by the International LOFAR Telescope

A. Kappes, P. R. Burd, M. Kadler, G. Ghisellini, E. Bonnassieux, M. Perucho, M. Brüggen, C. C. Cheung, B. Ciardi, E. Gallo et al. (7 more)

Published online: 12 July 2022

DOI: https://doi.org/10.1051/0004-6361/202141720