Browsing by Author "Molina, C. Navarro"

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    • Infrared spectroscopy of eruptive variable protostars from VVV 

      Peña, C. Contreras; Lucas, P. W.; Kurtev, R.; Minniti, D.; Garatti, A. Caratti o; Marocco, F.; Thompson, M. A.; Froebrich, D.; Kumar, N.; Stimson, W.; Molina, C. Navarro; Borissova, J.; Gledhill, T.; Terzi, R. (2017-03-01)
      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 ...

    • Long-term Stellar Variability in the Galactic Centre Region 

      Molina, C. Navarro; Borissova, J.; Catelan, M.; Lucas, P. W.; Medina, N.; Pena, C. Contreras; Kurtev, R.; Minniti, D. (2019-02)
      We report the detection of variable stars within a 11.5' x 11.5' region near the Galactic centre (GC) that includes the Arches and Quintuplet clusters, as revealed by the VISTA Variables in the Via Lactea (VVV) survey. ...

    • A population of eruptive variable protostars in VVV 

      Peña, C. Contreras; Lucas, P. W.; Minniti, D.; Kurtev, R.; Stimson, W.; Molina, C. Navarro; Borissova, J.; Kumar, N.; Thompson, M. A.; Gledhill, T.; Terzi, R.; Froebrich, D.; Garatti, A. Caratti o (2017-03-01)
      We present the discovery of 816 high amplitude infrared variable stars (Delta Ks >1 mag) in 119 deg^2 of the Galactic midplane covered by the Vista Variables in the Via Lactea (VVV) survey. Almost all are new discoveries ...

    • Variable Stars in the Quintuplet stellar cluster with the VVV Survey 

      Molina, C. Navarro; Borissova, J.; Catelan, M.; Alonso-García, J.; Kerins, E.; Kurtev, R.; Lucas, P. W.; Medina, N.; Minniti, D.; Dékány, I. (2016-10-21)
      The Quintuplet cluster is one of the most massive star clusters in the Milky Way, situated very close to the Galactic center. We present a new search for variable stars in the vicinity of the cluster, using the five-year ...