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20132026
most citedFirst Sagittarius A* Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole in the Center of the Milky Way

1.9k citations · 5.4k across the 61 of their papers we have counts for

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Showing 2016Show all

3 papers · 1 filter

astro-ph.HE2016★ 95 cited

RadioAstron Observations of the Quasar 3C273: a Challenge to the Brightness Temperature Limit

Y. Y. Kovalev, N. S. Kardashev, K. I. Kellermann +17

Inverse Compton cooling limits the brightness temperature of the radiating plasma to a maximum of K. Relativistic boosting can increase its observed value, but apparent…

astro-ph.HE2016

Broad-band properties of flat-spectrum radio-loud narrow-line Seyfert 1 galaxies

L. Foschini, M. Berton, A. Caccianiga +27

We report about recent updates of broad-band properties of radio-loud narrow-line Seyfert 1 galaxies.

astro-ph.HE2016★ 43 cited

Extreme Brightness Temperatures and Refractive Substructure in 3C273 with RadioAstron

Michael D. Johnson, Yuri Y. Kovalev, Carl R. Gwinn +8

Earth-space interferometry with RadioAstron provides the highest direct angular resolution ever achieved in astronomy at any wavelength. RadioAstron detections of the classic quasa…