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We report the discovery of an enigmatic large-amplitude (ΔKs >10.5 mag) transient event in near-IR data obtained by the VISTA Variables in the Via Lactea (VVV) ESO Public Survey. The object (designated VVV-WIT- 06) is located at R.A.=17:07:18.917, decl.=-39:06:26.45 (J2000), corresponding to Gala...


Minniti, D.Saito, R.K.Forster, F.Pignata, G.Ivanov, V.D.Lucas, P.W.Beamin, J.C.Borissova, J.Catelan, M.Gonzalez, O.A.Hempel, M.Hsiao, E.Kurtev, R.Majaess, D.Masetti, N.Morrell, N.I.Phillips, M.M.Pullen, J.B.Rejkuba, M.Smith, L.Surot, F.Valenti, E.Zoccali, M.[The Emergence of the Infrared Transient VVV-WIT-06]The Emergence of the Infrared Transient VVV-WIT-06

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

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

It is likely that a number of Galactic globular clusters remain to be discovered, especially toward the Galactic bulge. High stellar density combined with high and differential interstellar reddening are the two major problems for finding globular clusters located toward the bulge. We use the dee...


Minniti, D.Geisler, D.Alonso-Garcia, J.Palma, T.Beamin, J.C.Borissova, J.Catelan, M.Clariá, J.J.Cohen, R.E.Ramos, R.C.Dias, B.Fernández-Trincado, J.G.Gómez, M.Hempel, M.Ivanov, V.D.Kurtev, R.Lucas, P.W.Moni-Bidin, C.Pullen, J.Alegria, S.R.Saito, R.K.Valenti, E.[New VVV Survey Globular Cluster Candidates in the Milky Way Bulge]New VVV Survey Globular Cluster Candidates in the Milky Way Bulge

We present VIRAC version 1, a near-infrared proper motion and parallax catalogue of the VISTA Variables in the Via Lactea (VVV) survey for 312 587 642 unique sources averaged across all overlapping pawprint and tile images covering 560 deg2 of the bulge of the MilkyWay and southern disc. The cata...


Smith, L.C.Lucas, P.W.Kurtev, R.Smart, R.Minniti, D.Borissova, J.Jones, H.R.A.Zhang, Z.H.Marocco, F.Contreras Peña, C.Gromadzki, M.Kuhn, M.A.Drew, J.E.Pinfield, D.J.Bedin, L.R.[VIRAC: The VVV Infrared Astrometric Catalogue]VIRAC: The VVV Infrared Astrometric Catalogue

Beamín, J. C.Ivanov, V. D.Minniti, D.Smart, R. L.Mužić, K.Méndez Bussard, René AlejandroBeletsky, Y.Bayo, A.Gromadzki, M.Kurtev, R.[Spectrophotometric characterization of high proper motion sources from WISE]
Navarro Molina, ClaudioBorissova, J.Catelan, MárcioAlonso García, J.Kerins, E.Kurtev, R.Lucas, P.W.Medina, N.Minniti, D.Dekány, I.[Variable stars in the Quintuplet stellar cluster with the VVV survey]Variable stars in the Quintuplet stellar cluster with the VVV survey

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