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Knowledge of the stellar content near the Sun is important for a broad range of topics ranging from the search for planets to the study of Milky Way (MW) structure. The most powerful method for identifying potentially nearby stars is proper motion (PM) surveys. All old optical surveys avoid, or a...


Kurtev, R.Gromadzki, M.Beamín, J.C.Folkes, S.L.Pena Ramirez, K.Ivanov, V.D.Borissova, J.Villanueva, V.Minniti, D.Mendez, R.Lucas, P.W.Smith, L.C.Pinfield, D.J.Kuhn, M.A.Jones, H.R.A.Antonova, A.Yip, A.K.P.[VVV high proper motion stars – I. The catalogue of bright KS ≤ 13.5 stars]VVV high proper motion stars – I. The catalogue of bright KS ≤ 13.5 stars

We present the discovery of 816 high-amplitude infrared variable stars (ΔKs > 1 mag) in 119 deg2 of the Galactic mid-plane covered by the VISTA Variables in the Via Lactea (VVV) survey. Almost all are new discoveries and about 50 per cent are young stellar objects (YSOs). This provides further ev...


Contreras Peña, C.Lucas, P.W.Minniti, D.Kurtev, R.Stimson, W.Navarro Molina, C.Borissova, J.Kumar, M.S.N.Thompson, M.A.Gledhill, T.Terzi, R.Froebrich, D.Caratti o Garatti, A.[A population of eruptive variable protostars in VVV]A population of eruptive variable protostars in VVV

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

In a companion work (Paper I), we detected a large population of highly variable Young Stellar Objects (YSOs) in the Vista Variables in the Via Lactea (VVV) survey, typically with class I or flat spectrum spectral energy distributions and diverse light-curve types. Here we present infrared spectr...


Contreras Peña, C.Lucas, P.W.Kurtev, R.Minniti, D.Caratti o Garatti, A.Marocco, F.Thompson, M.A.Froebrich, D.Kumar, M.Stimson, W.Navarro Molina, C.Borissova, J.Gledhill, T.Terzi, R.[Infrared spectroscopy of eruptive variable protostars from VVV]Infrared spectroscopy of eruptive variable protostars from VVV

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