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Autor: Saito, R. K. Hempel, M. Minniti, D. Lucas, P. W. Rejkuba, M. Toledo, I. Gonzalez, O. A. Alonso-García, J. Irwin, M. 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 Aguiló, Leonardo Carraro, Giovanni Chenè, A. N. Clariá, J. J. Clarke, J. R. A. Contreras, C. Corvillón, A. Grijs, R. de Dias, B. Drew, J. E. Fariña, C. Feinstein, C. Fernández Lajús, E. Gamen, R. 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. Kinemuch, 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. Pietrzynski, G. Pignata Libralato, Giuliano Popescu, B. Read, M. A. Rojas, A. Roman-Lopes, A. Ruiz González, María Teresa Saviane, I. Schreiber, M. R. Schröder, A. C. Sharma, S. Smith, M. D. Sodré Jr., L. Stead, J. Stephens, A. W. Tamura, M. Tappert, C. Thompson, M. A. Valenti, E. Vanzi, L. Walton, N. A. Weidmann, W. Zijlstr, A.

Saito, R. K.Hempel, M.Minniti, D.Lucas, P. W.Rejkuba, M.Toledo, I.Gonzalez, O. A.Alonso-García, J.Irwin, M.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 Aguiló, LeonardoCarraro, GiovanniChenè, A. N.Clariá, J. J.Clarke, J. R. A.Contreras, C.Corvillón, A.Grijs, R. deDias, B.Drew, J. E.Fariña, C.Feinstein, C.Fernández Lajús, E.Gamen, R.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.Kinemuch, 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.Pietrzynski, G.Pignata Libralato, GiulianoPopescu, B.Read, M. A.Rojas, A.Roman-Lopes, A.Ruiz González, María TeresaSaviane, I.Schreiber, M. R.Schröder, A. C.Sharma, S.Smith, M. D.Sodré Jr., L.Stead, J.Stephens, A. W.Tamura, M.Tappert, C.Thompson, M. A.Valenti, E.Vanzi, L.Walton, N. A.Weidmann, W.Zijlstr, A.[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 Via Lactea]

Context. The globular cluster HP 1 is projected at only 3.̊33 from the Galactic center. Together with its distance, this makes it one of the most central globular clusters in the Milky Way. It has a blue horizontal branch (BHB) and a metallicity of [Fe/H] ≈ −1.0. This means that it probably is on...


Barbuy, B.Cantelli, E.Vemado, A.Ernandes, H.Ortolani, S.Saviane, I.Bica, E.Minniti, D.Dias, B.Momany, Y.Hill, V.Zoccali, M.Siqueira-Mello, C.[High-resolution abundance analysis of red giants in the metal-poor bulge globular cluster HP 1]High-resolution abundance analysis of red giants in the metal-poor bulge globular cluster HP 1

Bipolar planetary nebulae (PNe) are thought to result from binary star interactions and, indeed, tens of binary central stars of PNe have been found, in particular using photometric time-series that allow for the detection of post-common envelope systems. Using photometry at the NTT in La Silla w...


Boffin, H.M.J.Jones, D.Wesson, R.Beletsky, Y.Miszalski, B.Saviane, I.Monaco, L.Corradi, R.Santander García, M.Rodríguez-Gil, P.[When nature tries to trick us: An eclipsing eccentric close binary superposed on the central star of the planetary nebula M 3-2]When nature tries to trick us: An eclipsing eccentric close binary superposed on the central star of the planetary nebula M 3-2

Context. NGC 6558 is a bulge globular cluster with a blue horizontal branch (BHB), combined with a metallicity of [Fe/H] â‰-1.0. It is similar to HP 1 and NGC 6522, which could be among the oldest objects in the Galaxy. Element abundances in these clusters could reveal the nature of the first sup...


Barbuy, B.Muniz, L.Ortolani, S.Ernandes, H.Dias, B.Saviane, I.Kerber, L.Bica, E.Pérez-Villegas, A.Rossi, L.Held, E.V.[High-resolution abundance analysis of four red giants in the globular cluster NGC 6558]High-resolution abundance analysis of four red giants in the globular cluster NGC 6558

D'Orazi, V.Magurno, D.Bono, G.Matsunaga, N.Braga, V.F.Elgueta, S.S.Fukue, K.Hamano, S.Inno, L.Kobayashi, N.Kondo, S.Monelli, M.Nonino, M.Przybilla, N.Sameshima, H.Saviane, I.Taniguchi, D.Thevenin, F.Urbaneja-Perez, M.Watase, A.Arai, A.Bergemann, M.Buonanno, R.Dall'Ora, M.Da Silva, R.Fabrizio, M.Ferraro, I.Fiorentino, G.Francois, P.Gilmozzi, R.Iannicola, G.Ikeda, Y.Jian, M.Kawakita, H.Kudritzki, R.P.Lemasle, B.Marengo, M.Marinoni, S.Martínez-Vázquez, C.E.Minniti, D.Neeley, J.Otsubo, S.Prieto, J.L.Proxauf, B.Romaniello, M.Sanna, N.Sneden, C.Takenaka, K.Tsujimoto, T.Valenti, E.Yasui, C.Yoshikawa, T.Zoccali, M.[On the Chemical Abundances of Miras in Clusters: V1 in the Metal-rich Globular NGC 5927]On the Chemical Abundances of Miras in Clusters: V1 in the Metal-rich Globular NGC 5927

PBC J2333.9-2343 is a peculiar active nucleus with two giant radio lobes and a weak blazarlike nucleus at their centre. In this work we show new optical, ultraviolet (UV), and X-ray data taken from the San Pedro Mártir telescope, the New Technology Telescope, NTT/EFOSC2, and the Swift/XRT satelli...


Hernández-García, L.Vietri, G.Panessa, F.Piconcelli, E.Chavushyan, V.Jiménez-Andrade, E.F.Bassani, L.Bazzano, A.Cazzoli, S.Malizia, A.Masetti, N.Monaco, L.Pović, M.Saviane, I.Ubertini, P.[Variable broad lines and outflow in the weak blazar PBC J2333.9-2343]Variable broad lines and outflow in the weak blazar PBC J2333.9-2343

The chemical composition of 28 Population II Cepheids and one RR Lyrae variable has been studied using high-resolution spectra. The chemical composition of W Vir variable stars (with periods longer than 8 d) is typical for the halo and thick disc stars. However, the chemical composition of BL Her...


Kovtyukh, V.Yegorova, I.Andrievsky, S.Korotin, S.Saviane, I.Lemasle, B.Chekhonadskikh, F.Belik, S.[Type II Cepheids: Evidence for Na-O anticorrelation for BL Her type stars?]Type II Cepheids: Evidence for Na-O anticorrelation for BL Her type stars?

We observed six He-clump stars of the intermediate-Age stellar cluster Gaia1 with the MIKE/Magellan spectrograph. A possible extra-galactic origin of this cluster, recently discovered thanks to the first data release of the ESA Gaia mission, has been suggested, based on its orbital parameters. Ab...


Mucciarelli, A.Monaco, L.Bonifacio, P.Saviane, I.[Chemical composition of the stellar cluster Gaia1: No surprise behind Sirius]Chemical composition of the stellar cluster Gaia1: No surprise behind Sirius

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