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19962025
most citedFirst Sagittarius A* Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole in the Center of the Milky Way

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astro-ph1996★ 13 cited

Neutral Hydrogen 21cm Absorption at Redshift 0.673 towards 1504+377

C. L. Carilli, Karl M. Menten, Mark J. Reid +1

We detect the 21 cm line of neutral hydrogen in absorption at a redshift of 0.673 towards the 1 Jy radio source 1504+377. The 1504+377 radio source is located toward the center of…