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RadioAstron discovery of a mini-cocoon around the restarted parsec-scale jet in 3C 84
T. Savolainen, G. Giovannini, Y. Y. Kovalev +19
We present RadioAstron space-based very long baseline interferometry (VLBI) observations of the nearby radio galaxy 3C84 (NGC1275) at the centre of the Perseus cluster. The observa…
Sub-arcsecond imaging with the International LOFAR Telescope I. Foundational calibration strategy and pipeline
L. K. Morabito, N. J. Jackson, S. Mooney +71
[abridged] The International LOFAR Telescope is an interferometer with stations spread across Europe. With baselines of up to ~2,000 km, LOFAR has the unique capability of achievin…
The HST large programme on omega Centauri -- IV. catalogue of two external fields
M. Scalco, A. Bellini, L. R. Bedin +10
In the fourth paper of this series, we present -- and publicly release -- the state-of-the-art catalogue and atlases for the two remaining parallel fields observed with the Hubble…
RadioAstron reveals a spine-sheath jet structure in 3C 273
G. Bruni, J. L. Gómez, L. Vega-García +13
We present Space-VLBI RadioAstron observations at 1.6 GHz and 4.8 GHz of the flat spectrum radio quasar 3C 273, with detections on baselines up to 4.5 and 3.3 Earth Diameters, resp…