Browsing Research publications by Author "Geisler, D."

Now showing items 1-10 of 10

    • A colour-excess extinction map of the southern Galactic disc from the VVV and GLIMPSE surveys 

      Soto, M.; Barbá, R.; Minniti, D.; Kunder, A.; Majaess, D.; Nilo-Castellón, J. L.; Alonso-García, J.; Leone, G.; Morelli, L.; Haikala, L.; Firpo, V.; Lucas, P.; Emerson, J. P.; Bidin, C. Moni; Geisler, D.; Saito, R. K.; Gurovich, S.; Ramos, R. Contreras; Rejkuba, M.; Barbieri, M.; Roman-Lopes, A.; Hempel, M.; Alonso, M. V.; Baravalle, L. D.; Borissova, J.; Kurtev, R.; Milla, F. (2019-09-01)
      An improved high-resolution and deep A Ks foreground dust extinction map is presented for the Galactic disc area within 295◦ ≾ l ≾ 350◦, −1.0◦ ≾ b ≾ +1.0◦. At some longitudes the map reaches up to |b| ~ 2.25◦, for a total ...

    • The Gaia-ESO Survey : Stellar content and elemental abundances in the massive cluster NGC 6705 

      Cantat-Gaudin, T.; Vallenari, A.; Zaggia, S.; Bragaglia, A.; Sordo, R.; Drew, J.E.; Eisloeffel, J.; Farnhill, H. J.; Gonzalez-Solares, E.; Greimel, R.; Irwin, M. J.; Kupcu-Yoldas, A.; Jordi, C.; Blomme, R.; Sampedro, L.; Costado, M. T.; Alfaro, E.; Smiljanic, R.; Magrini, L.; Donati, P.; Friel, E. D.; Jacobson, H.; Abbas, U.; Hatzidimitriou, D.; Spagna, A.; Vecchiato, A.; Balaguer-Nunez, L.; Lardo, C.; Tosi, M.; Pancino, E.; Klutsch, A.; Tautvaisiene, G.; Drazdauskas, A.; Puzeras, E.; Jiménez-Esteban, F.; Maiorca, E.; Geisler, D.; San Roman, I.; Villanova, S.; Gilmore, G.; Randich, S.; Bensby, T.; Flaccomio, E.; Lanzafame, A.; Recio-Blanco, A.; Damiani, F.; Hourihane, A.; Jofré, P.; De Laverny, P.; Masseron, T.; Morbidelli, L.; Prisinzano, L.; Sacco, G. G.; Sbordone, L.; Worley, C. C. (2014-09)
      Context. Chemically inhomogeneous populations are observed in most globular clusters, but not in open clusters. Cluster mass seems to play a key role in the existence of multiple populations. Aims. Studying the chemical ...

    • The Gaia-ESO Survey : The analysis of high-resolution UVES spectra of FGK-type stars 

      Smiljanic, R.; Korn, A.J.; Bergemann, M.; Frasca, A.; Magrini, L.; Masseron, T.; Pancino, E.; Ruchti, G.; San Roman, I.; Sbordone, L.; Sousa, S.G.; Tabernero, H.; Tautvaišienė, G.; Valentini, M.; Weber, M.; Worley, C. C.; Adibekyan, V. Zh; Allende Prieto, C.; Barisevičius, G.; Biazzo, K.; Blanco-Cuaresma, S.; Bonifacio, P.; Bragaglia, A.; Caffau, E.; Cantat-Gaudin, T.; Chorniy, Y.; De Laverny, P.; Delgado-Mena, E.; Donati, P.; Duffau, S.; Franciosini, E.; Friel, E.; Geisler, D.; González Hernández, J. I.; Gruyters, P.; Guiglion, G.; Hansen, C. J.; Heiter, U.; Hill, V.; Jacobson, H. R.; Jofre, P.; Jönsson, H.; Lanzafame, A. C.; Lardo, C.; Ludwig, H. G.; Maiorca, E.; Mikolaitis, S.; Montes, D.; Morel, T.; Mucciarelli, A.; Munõz, C.; Nordlander, T.; Pasquini, L.; Puzeras, E.; Recio-Blanco, A.; Ryde, N.; Sacco, G.; Santos, N.C.; Serenelli, A. M.; Sordo, R.; Soubiran, C.; Spina, L.; Steffen, M.; Vallenari, A.; Van Eck, S.; Villanova, S.; Gilmore, G.; Randich, S.; Asplund, M.; Binney, J.; Drew, J.E.; Feltzing, S.; Ferguson, A.; Jeffries, R.; Micela, G.; Negueruela, I.; Prusti, T.; Rix, H. W.; Alfaro, E.; Babusiaux, C.; Bensby, T.; Blomme, R.; Flaccomio, E.; François, P.; Irwin, M.; Koposov, S.; Walton, N.; Bayo, A.; Carraro, G.; Costado, M. T.; Damiani, F.; Edvardsson, B.; Hourihane, A.; Jackson, R.; Lewis, J.; Lind, K.; Marconi, G.; Martayan, C.; Monaco, L.; Morbidelli, L.; Prisinzano, L.; Zaggia, S. (2014-11)
      Context. The ongoing Gaia-ESO Public Spectroscopic Survey is using FLAMES at the VLT to obtain high-quality medium-resolution Giraffe spectra for about 105 stars and high-resolution UVES spectra for about 5000 stars. With ...

    • New evidence supporting membership for TW nor in Lyngå 6 and the centaurus spiral arm 

      Majaess, D.; Turner, D.; Moni Bidin, C.; Mauro, F.; Geisler, D.; Gieren, W.; Chené, A.-N.; Minniti, D.; Saito, R.K.; Minniti, D.; Minniti, D.; Chené, A.-N.; Borissova, J.; Kurtev, R.; Lucas, P.W.; Dékny, I. (2011)
      The putative association between the 10. 8 classical Cepheid TW Nor and the open cluster Lyngå 6 has generated considerable debate in the literature.NewJHK photometry in tandem with existing radial velocities for Lyngå 6 ...

    • New Galactic star clusters discovered in the VVV survey 

      Borissova, J.; Bonatto, C.; Kurtev, R.; Clarke, J. R. A.; Penaloza, F.; Sale, S. E.; Minniti, D.; Alonso-Garcia, J.; Artigau, E.; Barba, R.; Bica, E.; Baume, G. L.; Catelan, M.; Chene, A. N.; Dias, B.; Folkes, S. L.; Froebrich, D.; Geisler, D.; de Grijs, R.; Hanson, M. M.; Hempel, M.; Ivanov, V. D.; Kumar, M. S. N.; Lucas, P.W.; Mauro, F.; Moni Bidin, C.; Rejkuba, M.; Saito, R. K.; Tamura, M.; Toledo, I. (2011-08)
      Context. VISTA Variables in the Via Lactea (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, J.; Chené, A. N.; Ramírez Alegría, S.; Sharma, S.; Clarke, J. R. A.; Kurtev, R.; Negueruela, I.; Marco, A.; Amigo, P.; Minniti, D.; Bica, E.; Bonatto, C.; Catelan, M.; Fierro, C.; Geisler, D.; Gromadzki, M.; Hempel, M.; Hanson, M. M.; Ivanov, V. D.; Lucas, P.W.; Majaess, D.; Moni Bidin, C.; Popescu, B.; Saito, R.K. (2014-09)
      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 ...

    • Strengthening the open cluster distance scale via VVV photometry 

      Majaess, D.; Turner, D.; Moni Bidin, C.; Geisler, D.; Borissova, J.; Minniti, D.; Bonatto, C.; Gieren, W.; Carraro, G.; Kurtev, R.; Mauro, F.; Chené, A.-N.; Forbes, D.; Lucas, P.W.; Dékány, I.; Saito, R.K.; Soto, M. (2012)
      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 ...

    • Three galactic globular cluster candidates 

      Moni Bidin, C.; Mauro, F.; Geisler, D.; Chené, A.-N.; Minniti, D.; Catelan, M.; Hempel, M.; Valcarce, A.A.R.; Alonso-García, J.; Zoccali, M.; Valenti, E.; Carraro, G.; Valcarce, A.A.R.; Borissova, J.; Chené, A.-N.; Kurtev, R.G.; Lucas, P.W. (2011-10-27)
      Context. The census of Galactic globular clusters (GCs) is still incomplete, and about ten new objects are supposed to await discovery, hidden behind the crowded and reddened regions of the Galactic bulge and disk. Aims. ...

    • VISTA Variables in the Via Lactea (VVV) : The public ESO near-IR variability survey of the Milky Way 

      Minniti, D.; Lucas, P.W.; Emerson, J.P.; Saito, R.K.; Hempel, M.; Pietrukowicz, P.; Ahumada, A.V.; Alonso, M.V.; Alonso-Garcia, J.; Arias, J.I.; Bandyopadhyay, R.M.; Barba, R.; Barbuy, B.; Bedin, L.R.; Bica, E.; Borissova, J.; Bronfman, L.; Carraro, G.; Catelan, M.; Claria, J. J.; Cross, N.; de Grijs, R.; Dekany, I.; Drew, J.E.; Farina, C.; Feinstein, C.; Fernandez Lajus, E.; Gamen, R.C.; Geisler, D.; Gieren, W.; Goldman, B.; Gonzalez, O. A.; Gunthardt, G.; Gurovich, S.; Hambly, N.C.; Irwin, M.J.; Ivanov, V.D.; Jordan, A.; Kerins, E.; Kinemuchi, K.; Kurtev, R.; Lopez-Corredoira, M.; Maccarone, T.; Masetti, N.; Merlo, D.; Messineo, M.; Mirabel, I.F.; Monaco, L.; Morelli, L.; Padilla, N.; Palma, T.; Parisi, M.C.; Pignata, G.; Rejkuba, M.; Roman-Lopes, A.; Sale, S. E.; Schreiber, M. R.; Schroder, A.C.; Smith, M.; Sodre Jr, L.; Soto, M.; Tamura, M.; Tappert, C.; Thompson, Mark; Toledo, I.; Zoccali, M.; Pietrzynski, G. (2010)
      We describe the public ESO near-IR variability survey (VVV) scanning the Milky Way bulge and an adjacent section of the mid-plane where star formation activity is high. The survey will take 1929 h of observations with the ...

    • 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, R.K.; Hempel, M.; Minniti, D.; Lucas, P.W.; Rejkuba, M.; Toledo, I.; Gonzalez, O. A.; Alonso-García, J.; Irwin, M.J.; Gonzalez-Solares, E.; Hodgkin, S.T.; Lewis, J.R.; Cross, N.; Ivanov, V.D.; Kerins, E.; Emerson, J.P.; Soto, M.; Amôres, E.B.; Gurovich, S.; Dékány, I.; Angeloni, R.; Beamin, J.C.; Catelan, M.; Padilla, N.; Zoccali, M.; Pietrukowicz, P.; Moni Bidin, C.; Mauro, F.; Geisler, D.; Folkes, S.L.; Sale, S.E.; Borissova, J.; Kurtev, R.; Ahumada, A.V.; Alonso, M.V.; Adamson, A.; Arias, J.I.; Bandyopadhyay, R.M.; Barbá, R.H.; Barbuy, B.; Baume, G. L.; Bedin, L.R.; Bellini, A.; Benjamin, R.; Bica, E.; Bonatto, C.; Bronfman, L.; Carraro, G.; Chenè, A.N.; Clariá, J.J.; Clarke, J.R.A.; Contreras, C.; Corvillón, A.; de Grijs, R.; Dias, B.; Drew, J.E.; Fariña, C.; Feinstein, C.; Fernández-Lajús, E.; Gamen, R.C.; Gieren, W.; Goldman, B.; González-Fernández, C.; Grand, R. J. J.; Gunthardt, G.; Hambly, N.C.; Hanson, M. M.; Helminiak, K.G.; Hoare, M.G.; Huckvale, L.; Jordán, A.; Kinemuchi, K.; Longmore, A.; López-Corredoira, M.; Maccarone, T.; Majaess, D.; Martín, E.L.; Masetti, N.; Mennickent, R.E.; Mirabel, I.F.; Monaco, L.; Morelli, L.; Motta, V.; Palma, T.; Parisi, M.C.; Parker, Q.; Peñaloza, F.; Pietrzyski, G.; Pignata, G.; Popescu, B.; Read, M. A.; Rojas, A.; Roman-Lopes, A.; Ruiz, M.T.; Saviane, I.; Schreiber, M. R.; Schröder, A. C.; Sharma, S.; Smith, M.D.; Sodré, L.; Stead, J.; Stephens, A. W.; Tamura, M.; Tappert, C.; Thompson, Mark; Valenti, E.; Vanzi, L.; Walton, N.A.; Weidmann, W.; Zijlstra, A. (2012)
      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 ...