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We present high-contrast Magellan adaptive optics images of HD 7449, a Sun-like star with one planet and a long-term radial velocity (RV) trend. We unambiguously detect the source of the long-term trend from 0.6-2.15 mu m. at a separation of similar to 0.'' 54. We use the object's colors and spec...


Rodigas, T.J.Arriagada, P.Faherty, J.Anglada-Escudé, G.Kaib, N.Butler, R.P.Shectman, S.Weinberger, A.Males, J.R.Morzinski, K.M.Close, L.M.Hinz, P.M.Crane, J.D.Thompson, I.Teske, J.Diaz, M.Minniti, D.Lopez-Morales, M.Adams, F.C.Boss, A.P.[MagAO IMAGING OF LONG-PERIOD OBJECTS (MILO). I. A BENCHMARK M DWARF COMPANION EXCITING A MASSIVE PLANET AROUND THE SUN-LIKE STAR HD 7449]MagAO IMAGING OF LONG-PERIOD OBJECTS (MILO). I. A BENCHMARK M DWARF COMPANION EXCITING A MASSIVE PLANET AROUND THE SUN-LIKE STAR HD 7449

We report the discovery of eight new giant planets, and updated orbits for four known planets, orbiting dwarf and subgiant stars using the CORALIE, HARPS, and MIKE instruments as part of the Calan-Hertfordshire Extrasolar Planet Search. The planets have masses in the range 1.1-5.4 MJ's, orbital p...


Jenkins, J.S.Jones, H.R.A.Tuomi, M.Díaz, M.Cordero, J.P.Aguayo, A.Pantoja, B.Arriagada, P.Mahu, R.Brahm, R.Rojo, P.Soto, M.G.Ivanyuk, O.Becerra Yoma, N.Day-Jones, A.C.Ruiz, M.T.Pavlenko, Y.V.Barnes, J.R.Murgas, F.Pinfield, D.J.Jones, M.I.López-Morales, M.Shectman, S.Butler, R.P.Minniti, D.[New planetary systems from the Calan-Hertfordshire Extrasolar planet search]New planetary systems from the Calan-Hertfordshire Extrasolar planet search

HD 11112 is an old, Sun-like star that has a long-term radial velocity (RV) trend indicative of a massive companion on a wide orbit. Here we present direct images of the source responsible for the trend using the Magellan Adaptive Optics system. We detect the object (HD 11112B) at a separation of...


Rodigas, T.J.Bergeron, P.Simon, A.Arriagada, P.Faherty, J.K.Anglada-Escudé, G.Mamajek, E.E.Weinberger, A.Butler, R.P.Males, J.R.Morzinski, K.Close, L.M.Hinz, P.M.Bailey, J.Carter, B.Jenkins, J.S.Jones, H.O'Toole, S.Tinney, C.G.Wittenmyer, R.Debes, J.[MagAO IMAGING OF LONG-PERIOD OBJECTS (MILO). II. A PUZZLING WHITE DWARF AROUND THE SUN-LIKE STAR HD 11112]MagAO IMAGING OF LONG-PERIOD OBJECTS (MILO). II. A PUZZLING WHITE DWARF AROUND THE SUN-LIKE STAR HD 11112

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