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We present time-delay estimates for the quadruply imaged quasar PG 1115+080. Our results are based on almost daily observations for seven months at the ESO MPIA 2.2 m telescope at La Silla Observatory, reaching a signal-to-noise ratio of about 1000 per quasar image. In addition, we re-analyze exi...


Bonvin, V.Chan, J.H.H.Millon, M.Rojas, K.Courbin, F.Chen, G.C.-F.Fassnacht, C.D.Paic, E.Tewes, M.Chao, D.C.-Y.Chijani, M.Gilman, D.Gilmore, K.Williams, P.Buckley-Geer, E.Frieman, J.Marshall, P.J.Suyu, S.H.Treu, T.Hempel, A.Kim, S.Lachaume, R.Rabus, M.Anguita, T.Meylan, G.Motta, V.Magain, P.[COSMOGRAIL: XVII. Time delays for the quadruply imaged quasar PG 1115+080]COSMOGRAIL: XVII. Time delays for the quadruply imaged quasar PG 1115+080

Roukema, Boudewijn F.Buchert, ThomasFujii, HirokazuOstrowski, Jan J.[Is the baryon acoustic oscillation peak a cosmological standard ruler?]

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