Identification of the Radio Sources in Cassiopeia, Cygnus a, and Puppis a.

1954/01/01 by W. Baade, R. Minkowski · 15 citations
Engineering · Physics and Astronomy · #Astronomical Observations and Instrumentation #Astrophysics and Cosmic Phenomena #Astrophysics and Star Formation Studies

paper · doi:10.1086/145812

openalex publication_date 1954/01/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/06/11

Abstract

The radio sources in Cassiopeia and Puppis A are identified witli a new type of galactic emission nebulosity. The outstanding features of these nebulosities are very large internal random velocities. The radio source Cygnus A is an extragalactic object, two galaxies in actual collision.

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