Infrared Counterpart of the Gravitational Lens

We report the detection of a very red source coincident with the gravitational lens 1938+66.6 (Patnaik et al. 1992) in K 0 (2:12 m), H (1:6 m), J (1:25 m), and Thuan-Gunn r (0:65 m) bands. 1938+66.6 has previously been detected as a partial radio ring indicating lensing. We nd K 0 = 17:1 0:1 and r = 23:9 0:2, making it a very red source with (r ? K 0) = 6:8… CONTINUE READING

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