“Double quasar” could be gravity effect
NOV 01, 1979
DOI: 10.1063/1.2995271
Earlier this year observations of a close pair of visible astronomical sources previously identified with a quasar candidate from low‐resolution radio data appeared to indicate that the pair is actually a single object doubled by the effect of a “gravitational lens.” More recent radio observations make some difficulties for the hypothesis, but do not necessarily rule it out. The exact nature of the object(s) is thus still uncertain.
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© 1979 American Institute of Physics
