Astrophysics (Index)About

Tonantzintla Surveys

(Ton)
(surveys providing early images of quasars and Seyfert galaxies)

The still-referenced Tonantzintla Surveys were conducted in the 1950s and 1960s at Mexico's Tonantzintla Observatory, looking for flaring stars, and incidentally imaging objects later identified as quasars and Seyfert galaxies.


(survey,observatory,Mexico)
Further reading:
http://en.wikipedia.org/wiki/Tonantzintla_Observatory
https://ui.adsabs.harvard.edu/abs/1966PASP...78...61P/abstract
https://ui.adsabs.harvard.edu/abs/1976QJRAS..17..227W/abstract
PrefixExample  
TONTON S180or "Ton S180"

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