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| Paper: |
The Acceleration of the Universe in the Light of Supernovae: The Key Role of CTIO |
| Volume: |
491, Fifty Years of Wide Field Studies in the Southern Hemisphere: Resolved Stellar Populations in the Galactic Bulge and the Magellanic Clouds |
| Page: |
203 |
| Authors: |
Hamuy, M.; Suntzeff, N. B. |
| Abstract: |
The discovery of acceleration and dark energy arguably constitutes the most revolutionary discovery
in astrophysics in recent years. The Cerro Tololo Inter-American Observatory (CTIO) played a key
role in this amazing discovery through three
systematic surveys organized by staff astronomers: the “Tololo Supernova Program“ (1986-2000),
the Calán/Tololo Project (1989-1993), and the “High-Z Supernova Search Team” (1994-1998). CTIO's
state of the art instruments also were fundamental in the independent discovery of acceleration by the
“Supernova Cosmology Project” (1992-1999). Here I summarize the work on supernovae carried out from CTIO that led to
the discovery of acceleration and dark energy and provide a brief historical summary on the use of
Type Ia supernovae in cosmology in order to provide context for the CTIO contribution. |
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