Navegação por Autor "Saito, Roberto K."

Resultados 1-9 de 9

    • Confirmation of a new metal-poor globular cluster in the galactic bulge 

      Minniti, Dante; Schlafly, Edward F.; Palma, Tali; Claria Olmedo, Juan Jose; Hempel, Maren; Alonso Garcia, Javier; Bica, Eduardo Luiz Damiani; Bonatto, Charles Jose; Braga, Vittorio F.; Clementini, Gisella; Garofalo, Alessia; Gómez, Matías; Ivanov, Valentin D.; Lucas, Philip W.; Pullen, Joyce; Saito, Roberto K.; Smith, Leigh C. (2018) [Artigo de periódico]
      We use deep near-IR photometry of the VISTA Variables in the Vía Láctea (VVV) Survey and deep DECam Plane Survey (DECaPS) optical photometry to confirm the physical reality of the candidate globular cluster (GC) Minni 22, ...

    • FSR 1716 : a new Milky Way globular cluster confirmed using VVV RR Lyrae stars 

      Minniti, Dante; Palma, Tali; Dékány, István; Hempel, Maren; Rejkuba, Marina; Pullen, Joyce; Alonso Garcia, Javier; Barbá, Rodolfo H.; Barbuy, Beatriz; Bica, Eduardo Luiz Damiani; Bonatto, Charles Jose; Borissova, Jura; Catelan, Márcio; Carballo-Bello, Julio A.; Chené, André-Nicolas; Claria Olmedo, Juan Jose; Cohen, Roger; Contreras Ramos, Rodrigo; Dias, Bruno Moreira de Souza; Emerson, Jim P.; Froebrich, Dirk; Buckner, Anne S. M.; Geisler, Doug; Gonzalez, Oscar A.; Gran, Felipe; Hajdu, Gergely; Irwin, Michael John; Ivanov, Valentin D.; Kurtev, Radostin Georgiev; Lucas, Philip W.; Majaess, Daniel J.; Mauro, Francesco; Moni Bidin, Christian; Navarrete, Camila; Ramírez Alegría, Sebastián; Saito, Roberto K.; Valenti, Elena; Zoccali, Manuela (2017) [Artigo de periódico]
      We use deep multi-epoch near-IR images of the VISTA Variables in the Vía Láctea (VVV) Survey to search for RR Lyrae stars toward the Southern Galactic plane. Here, we report the discovery of a group of RR Lyrae stars close ...

    • Kronberger 49 : a new low-mass globular cluster or an unprecedented bulge window 

      Ortolani, Sergio; Bonatto, Charles Jose; Bica, Eduardo Luiz Damiani; Barbuy, Beatriz; Saito, Roberto K. (2012) [Artigo de periódico]
      We employ optical and near-infrared photometry to study the stars in the direction of the star cluster candidate Kronberger 49. The optical color–magnitude diagrams (V, I, and Gunn z photometry obtained with the Galileo ...

    • Massive open star clusters using the VVV survey : III. A young massive cluster at the far edge of the Galactic bar 

      Ramírez Alegría, Sebastián; Borissova, Jura; Chené, André-Nicolas; O'Leary, E.; Amigo, Pia; Minniti, Dante; Saito, Roberto K.; Geisler, Doug; Kurtev, Radostin Georgiev; Hempel, Maren; Gromadzki, Mariusz; Clarke, J. R. A.; Negueruela Díez, Ignacio; Marco Tobarra, Amparo; Fierro, C.; Bonatto, Charles Jose; Catelan, Márcio (2014) [Artigo de periódico]
      Context. Young massive clusters are key to map the Milky Way’s structure, and near-infrared large area sky surveys have contributed strongly to the discovery of new obscured massive stellar clusters. Aims. We present the ...

    • New Galactic star clusters discovered in the VVV survey 

      Borissova, Jura; Bonatto, Charles Jose; Kurtev, Radostin Georgiev; Clarke, J. R. A.; Peñaloza, Francisco; Sale, Stuart E.; Minniti, Dante; Alonso Garcia, Javier; Artigau, Étienne; Barbá, Rodolfo H.; Bica, Eduardo Luiz Damiani; Baume, Gustavo Luis; Catelan, Márcio; Chené, André-Nicolas; Dias, Bruno Moreira de Souza; Folkes, S. L.; Froebrich, Dirk; Geisler, Doug; Grijs, Richard de; Hanson, M. M.; Hempel, Maren; Ivanov, Valentin D.; Kumar, M. S. N.; Lucas, Philip W.; Mauro, Francesco; Moni Bidin, Christian; Rejkuba, Marina; Saito, Roberto K.; Tamura, Motohide; Toledo, Ignacio (2011) [Artigo de periódico]
      Context. VISTA Variables in the Vía Láctea (VVV) is one of the six ESO Public Surveys operating on the new 4-m Visible and Infrared Survey Telescope for Astronomy (VISTA). VVV is scanning the Milky Way bulge and an adjacent ...

    • New galactic star clusters discovered in the VVV survey. Candidates projected on the inner disk and bulge 

      Borissova, Jura; Chené, André-Nicolas; Ramírez Alegría, Sebastián; Sharma, S.; Clarke, J. R. A.; Kurtev, Radostin Georgiev; Negueruela, Ignacio; Marco Tobarra, Amparo; Amigo, Pia; Minniti, Dante; Bica, Eduardo Luiz Damiani; Bonatto, Charles Jose; Catelan, Márcio; Fierro, C.; Geisler, Doug; Gromadzki, Mariusz; Hempel, Maren; Hanson, M. M.; Ivanov, Valentin D.; Lucas, Philip W.; Majaess, Daniel J.; Moni Bidin, Christian; Popescu, Bogdan; Saito, Roberto K. (2014) [Artigo de periódico]
      Context. VISTA Variables in the Vía Láctea (VVV) is one of six ESO Public Surveys using the 4 meter Visible and Infrared Survey Telescope for Astronomy (VISTA). The VVV survey covers the Milky Way bulge and an adjacent ...

    • Probing embedded star clusters in the HII complex NGC6357 with VVV 

      Lima, Eliade Ferreira; Bica, Eduardo Luiz Damiani; Bonatto, Charles Jose; Saito, Roberto K. (2014) [Artigo de periódico]
      Context. NGC6357 is an active star-forming region located in the Sagittarius arm that displays several star clusters, which makes it a very interesting target to investigate star formation and early cluster evolution. Aims. ...

    • Strengthening the open cluster distance scale via VVV photometry 

      Majaess, Daniel J.; Turner, D. G.; Moni Bidin, Christian; Geisler, Doug; Borissova, Jura; Minniti, Dante; Bonatto, Charles Jose; Gieren, Wolfgang P.; Carraro, Giovanni; Kurtev, Radostin Georgiev; Mauro, Francesco; Chené, André-Nicolas; Forbes, Douglas; Lucas, Philip W.; Dékány, István; Saito, Roberto K.; Soto, M. (2012) [Artigo de periódico]
      Approximately 14% of known Galactic open clusters possess absolute errors ≤20% as evaluated from n ≥ 3 independent distance estimates, and the statistics for age estimates are markedly worse. That impedes such diverse ...

    • VVV DR1 : the first data release of the Milky Way bulge and southern plane from the near-infrared ESO public survey VISTA variables in the Vía Láctea 

      Saito, Roberto K.; Hempel, Maren; Minniti, Dante; Lucas, Philip W.; Rejkuba, Marina; Toledo, Ignacio; Gonzalez, O. A.; Alonso Garcia, Javier; Irwin, Michael John; Gonzalez-Solares, Eduardo; Hodgkin, Simon; Lewis, James R.; Cross, Nick; Ivanov, Valentin D.; Kerins, Eamonn; Emerson, Jim P.; Soto, M.; Amôres, Eduardo Brescansin de; Gurovich, Sebástian; Dékány, István; Angeloni, Rodolfo; Beamin, Juan Carlos; Catelan, Márcio; Padilla, Nelson; Zoccali, Manuela; Pietrukowicz, Pawel; Moni Bidin, Christian; Mauro, Francesco; Geisler, Doug; Folkes, S. L.; Sale, Stuart E.; Borissova, Jura; Kurtev, Radostin Georgiev; Ahumada, Andrea Veronica; Alonso, Maria Victoria; Adamson, Andy; Arias, Julia Inés; Bandyopadhyay, Reba M.; Barbá, Rodolfo H.; Barbuy, Beatriz; Baume, Gustavo Luis; Bedin, Luigi R.; Bellini, Andrea; Bica, Eduardo Luiz Damiani; Bonatto, Charles Jose; Bronfman, Leonardo; Carraro, Giovanni; Chené, André-Nicolas; Claria Olmedo, Juan Jose; Clarke, J. R. A.; Contreras, C.; Corvillon, Andrea; Grijs, Richard de; Dias, Bruno Moreira de Souza; Drew, Janet E.; Fariña, Cecilia; Feinstein Baigorri, Carlos; Fernández Lajús, Eduardo Eusebio; Gamen, Roberto C.; Gieren, Wolfgang P.; Goldman, Bertrand; González-Fernández, Carlos; Grand, R. J. J.; Gunthardt, Guillermo; Hambly, Nigel C.; Hanson, M. M.; Helminiak, Krzysztof Grzegorz; Hoare, Melvin G.; Huckvale, L.; Jordán, Andrés; Kinemuchi, Karen; Longmore, Andy; López Corredoira, Martín; Maccarone, Thomas J.; Majaess, Daniel J.; Martín Guerrero de Escalante, Eduardo L.; Masetti, Nicola; Mennickent, Ronnald Enrique; Mirabel, I. Felix; Monaco, Lorenzo; Morelli, Lorenzo; Motta, Verónica; Palma, Tali; Parisi, M. C.; Parker, Quentin; Peñaloza, Francisco; Pietrzynski, Grzegorz; Pignata, Giuliano; Popescu, Bogdan; Read, Michael A.; Rojas, Alejandra; Roman-Lopes, Alexandre; Ruiz, Maria Teresa; Saviane, Ivo; Schreiber, Matthias R.; Schröder, A. C.; Sharma, S.; Smith, Michael D.; Sodre Junior, Laerte; Stead, Joe; Stephens, Andrew; Tamura, Motohide; Tappert, Claus; Thompson, Mark A.; Valenti, Elena; Vanzi, Leonardo; Walton, Nicholas A.; Weidmann, Walter; Zijlstra, Albert (2012) [Artigo de periódico]
      Context. The ESO public survey VISTA variables in the Vía Láctea (VVV) started in 2010. VVV targets 562 sq. deg in the Galactic bulge and an adjacent plane region and is expected to run for about five years. Aims. We ...