The arguments over the distance of quasars may be resolved by observed rapid changes in brightness of some N‐type galaxies. Measurements made with the 200‐inch telescope at Mount Palomar are reported independently by John B. Oke and Allan Sandage (both of Cal Tech) in Astrophysical Journal 150, L5 and L9 (1967). Galaxy 3C 371 has been found to vary by about one magnitude over the last two years and by about 0.10–0.15 magnitude within a few days. Changes in its color have also been seen.
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© 1968 American Institute of Physics.
1968
American Institute of Physics
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