Abstract
We present results from a 3-year program of nightly brightness monitoring of the Q0957+561 gravitational lens system. Based upon 368 nights of data, we find from direct autocorrelation that the time delay
Cite
CITATION STYLE
APA
Schild, R., & Thomson, D. J. (1997). The Q0957+561 Time Delay From Optical Data. The Astronomical Journal, 113, 130. https://doi.org/10.1086/118238
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