The SuperNova Legacy Survey collaboration started the largest survey yet launched to measure the distance to far supernovae. Distant supernovae are powerful tools to measure cosmological distances. The first results of the survey, to be published in Astronomy & Astrophysics, place strong constraints on cosmological models. In the near future, this new Legacy Survey will possibly help us understand the nature of dark energy.
The SuperNova Legacy Survey is an international collaboration involving about 40 researchers, that aims to discover several hundred far supernovae and mesure their distance. The team’s first results will be published in a coming issue of Astronomy & Astrophysics.
The SuperNova Legacy Survey is the largest observational project of its kind. It started in 2003 and will last for five years. So far, the team has measured the distance to 71 supernovae that exploded between 2 and 8 billion years ago. Many of the largest telescopes worldwide are involved in this project; the imaging part of the programme is carried out at the Canada-France-Hawaii Telescope (CFHT), in the framework of the CFHT Legacy Survey. Spectroscopic observations are obtained at the ESO/Very Large Telescope , the Gemini and Keck observatories.
Jennifer Martin | alfa
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