Main.COSMO History

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I contribute to the estimate of H'_0_' by actively participating to the [[http://www.cosmograil.org| COSMOGRAIL project ]] (i.e. the COSmological MOnitoring of GRAvItational Lenses) which aims to determine H'_0_' from the
measurement of the time delay between the multiple images of more then 30 strongly lensed quasars, using 1.5m-class telescopes. I contributed to most of the time-delay measurements derived to date -Nov 2012- by the collaboration and performed the lens modelling of most of the
published systems ([[http://adsabs.harvard.edu/abs/2007A%26A...464..845V | Vuissoz et al. 2007]], [[http://adsabs.harvard.edu/abs/2008A%26A...488..481V | 2008]]; [[http://adsabs.harvard.edu/abs/2011A%26A...536A..53C | Courbin et al. 2011]]). I am currently involved in a large observational effort to gather exquisite data (HST imaging, VLT spectroscopy) for five time-delay lenses. By combining these data with state-of-the-art lens modelling techniques, we aim at measuring H'_0_' with an accuracy better than 4%, comparable to the one from current BAO, SN or Cepheids studies
(see [[http://adsabs.harvard.edu/abs/2012arXiv1208.6010S | Suyu et al. 2012]] for the results of the first two systems).

%cframe width=600px% Attach:HE0435.png | Time-delay shifted lightcurve of HE0435-1223 ([[http://adsabs.harvard.edu/abs/2011A%26A...536A..53C | from Courbin et al. 2011]])
to:
I contribute to the estimate of H'_0_' by actively participating to the [[http://www.cosmograil.org| COSMOGRAIL project ]] (i.e. the COSmological MOnitoring of GRAvItational Lenses) which aims to determine H'_0_' from the measurement of the time delay between the multiple images of more than 30 strongly lensed quasars, using 1.5m-class telescopes. I contributed to most of the time-delay measurements derived to date -Nov 2012- by the collaboration and performed the lens modelling of most of the published systems ([[http://adsabs.harvard.edu/abs/2007A%26A...464..845V | Vuissoz et al. 2007]], [[http://adsabs.harvard.edu/abs/2008A%26A...488..481V | 2008]]; [[http://adsabs.harvard.edu/abs/2011A%26A...536A..53C | Courbin et al. 2011]]). I am currently involved in a large observational effort to gather exquisite data (HST imaging, VLT spectroscopy) for five time-delay lenses. By combining these data with state-of-the-art lens modelling techniques, we aim at measuring H'_0_' with an accuracy better than 4%, comparable to the one from current Baryon Acoustic Peak (BAO), Supernovae (SN) or Cepheids studies
(see
[[http://adsabs.harvard.edu/abs/2012arXiv1208.6010S | Suyu et al. 2012]] for the results on the first two systems).

%cframe width=600px% Attach:HE0435.png | Time-delay shifted lightcurves of HE0435-1223 ([[http://adsabs.harvard.edu/abs/2011A%26A...536A..53C | from Courbin et al. 2011]]).
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(see [[http://adsabs.harvard.edu/abs/2012arXiv1208.6010S | Suyu et al. 2012]] for the results of the first two systems).
to:
(see [[http://adsabs.harvard.edu/abs/2012arXiv1208.6010S | Suyu et al. 2012]] for the results of the first two systems).

%cframe width=600px% Attach:HE0435.png | Time-delay shifted lightcurve of HE0435-1223 ([[http://adsabs.harvard.edu/abs/2011A%26A...536A..53C | from Courbin et al. 2011]])
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published systems (Vuissoz et al. 2007, 2008; Courbin et al. 2011). I am currently involved in a large observational effort to gather exquisite data (HST imaging, VLT spectroscopy) for five time-delay lenses. By combining these data with state-of-the-art lens modelling techniques, we aim at measuring H'_0_' with an accuracy better than 4%, comparable to the one from current BAO, SN or Cepheids studies
to:
published systems ([[http://adsabs.harvard.edu/abs/2007A%26A...464..845V | Vuissoz et al. 2007]], [[http://adsabs.harvard.edu/abs/2008A%26A...488..481V | 2008]]; [[http://adsabs.harvard.edu/abs/2011A%26A...536A..53C | Courbin et al. 2011]]). I am currently involved in a large observational effort to gather exquisite data (HST imaging, VLT spectroscopy) for five time-delay lenses. By combining these data with state-of-the-art lens modelling techniques, we aim at measuring H'_0_' with an accuracy better than 4%, comparable to the one from current BAO, SN or Cepheids studies
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I contribute to the estimate of H'_0_' by actively participating to the [[http://www.cosmograil.org| COSMOGRAIL project ]] (i.e. the COSmological MOnitoring of GRAvItational Lenses) which aims to determine $H_0$ from the
to:
I contribute to the estimate of H'_0_' by actively participating to the [[http://www.cosmograil.org| COSMOGRAIL project ]] (i.e. the COSmological MOnitoring of GRAvItational Lenses) which aims to determine H'_0_' from the
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published systems (Vuissoz et al. 2007, 2008; Courbin et al. 2011). I am currently involved in a large observational effort to gather exquisite data (HST imaging, VLT spectroscopy) for five time-delay lenses. By combining these data with state-of-the-art lens modelling techniques, we aim at measuring $H_0$ with an accuracy better than 4%, comparable to the one from current BAO, SN or Cepheids studies
to:
published systems (Vuissoz et al. 2007, 2008; Courbin et al. 2011). I am currently involved in a large observational effort to gather exquisite data (HST imaging, VLT spectroscopy) for five time-delay lenses. By combining these data with state-of-the-art lens modelling techniques, we aim at measuring H'_0_' with an accuracy better than 4%, comparable to the one from current BAO, SN or Cepheids studies
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(:title Cosmology:)

I contribute to the estimate of H'_0_' by actively participating to the [[http://www.cosmograil.org| COSMOGRAIL project ]] (i.e. the COSmological MOnitoring of GRAvItational Lenses) which aims to determine $H_0$ from the
measurement of the time delay between the multiple images of more then 30 strongly lensed quasars, using 1.5m-class telescopes. I contributed to most of the time-delay measurements derived to date -Nov 2012- by the collaboration and performed the lens modelling of most of the
published systems (Vuissoz et al. 2007, 2008; Courbin et al. 2011). I am currently involved in a large observational effort to gather exquisite data (HST imaging, VLT spectroscopy) for five time-delay lenses. By combining these data with state-of-the-art lens modelling techniques, we aim at measuring $H_0$ with an accuracy better than 4%, comparable to the one from current BAO, SN or Cepheids studies
(see [[http://adsabs.harvard.edu/abs/2012arXiv1208.6010S | Suyu et al. 2012]] for the results of the first two systems).