Found: 44

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  • The Halos and Environments of Nearby Galaxies (HERON) survey: IV. Complexity in the boxy galaxies NGC 720 and NGC 2768.

    Published in:
    Astronomy & Astrophysics / Astronomie et Astrophysique, 2024, v. 682, p. 1, doi. 10.1051/0004-6361/202347940
    By:
    • Koch-Hansen, Andreas J.;
    • Pasquali, Anna;
    • Michael Rich, R.;
    • Gerhard, Ortwin;
    • Müller, Oliver
    Publication type:
    Article

  • The Andromeda Galaxy's Last Major Merger: Constraints from the survey of Planetary Nebulae.

    Published in:
    Proceedings of the International Astronomical Union, 2022, v. 18, n. S377, p. 123, doi. 10.1017/S1743921323000996
    By:
    • Bhattacharya, Souradeep;
    • Arnaboldi, Magda;
    • Gerhard, Ortwin;
    • Caldwell, Nelson;
    • Kobayashi, Chiaki;
    • Hammer, Francois;
    • Yang, Yanbin;
    • Freeman, Kenneth C.;
    • Hartke, Johanna;
    • McConnachie, Alan
    Publication type:
    Article

  • Bar resonances and low angular momentum moving groups in the Galaxy revealed by their stellar ages.

    Published in:
    Astronomy & Astrophysics / Astronomie et Astrophysique, 2020, v. 643, p. 1, doi. 10.1051/0004-6361/202038740
    By:
    • Laporte, Chervin F. P.;
    • Famaey, Benoit;
    • Monari, Giacomo;
    • Hill, Vanessa;
    • Wegg, Christopher;
    • Gerhard, Ortwin
    Publication type:
    Article

  • Dynamics of the Milky Way Bar/Bulge.

    Published in:
    Proceedings of the International Astronomical Union, 2020, v. 14, n. s353, p. 26, doi. 10.1017/S1743921319008809
    By:
    • Gerhard, Ortwin;
    • Valluri, Monica;
    • Sellwood, J. A.
    Publication type:
    Article

  • New VIRAC proper motion maps show signature of galactic boxy/peanut bulge.

    Published in:
    Proceedings of the International Astronomical Union, 2020, v. 14, n. s353, p. 29, doi. 10.1017/S1743921319008779
    By:
    • Clarke, Jonathan P.;
    • Wegg, Christopher;
    • Gerhard, Ortwin;
    • Smith, Leigh C.;
    • Lucas, Phil W.;
    • Wylie, Shola M.;
    • Valluri, Monica;
    • Sellwood, J. A.
    Publication type:
    Article

  • Elliptical galaxies/stellar halos connection.

    Published in:
    Proceedings of the International Astronomical Union, 2020, v. 14, n. s353, p. 233, doi. 10.1017/S1743921319009712
    By:
    • Arnaboldi, Magda;
    • Pulsoni, Claudia;
    • Gerhard, Ortwin;
    • Valluri, Monica;
    • Sellwood, J. A.
    Publication type:
    Article

  • The survey of planetary nebulae in Andromeda (M 31): II. Age–velocity dispersion relation in the disc from planetary nebulae.

    Published in:
    Astronomy & Astrophysics / Astronomie et Astrophysique, 2019, v. 631, p. 1, doi. 10.1051/0004-6361/201935898
    By:
    • Bhattacharya, Souradeep;
    • Arnaboldi, Magda;
    • Caldwell, Nelson;
    • Gerhard, Ortwin;
    • Blaña, Matías;
    • McConnachie, Alan;
    • Hartke, Johanna;
    • Guhathakurta, Puragra;
    • Pulsoni, Claudia;
    • Freeman, Kenneth C.
    Publication type:
    Article

  • The echo of the bar buckling: Phase-space spirals in Gaia Data Release 2.

    Published in:
    Astronomy & Astrophysics / Astronomie et Astrophysique, 2019, v. 622, p. N.PAG, doi. 10.1051/0004-6361/201834707
    By:
    • Khoperskov, Sergey;
    • Di Matteo, Paola;
    • Gerhard, Ortwin;
    • Katz, David;
    • Haywood, Misha;
    • Combes, Françoise;
    • Berczik, Peter;
    • Gomez, Ana
    Publication type:
    Article

  • Newly discovered Planetary Nebulae population in Andromeda (M31): PN Luminosity function and implications for the late stages of stellar evolution.

    Published in:
    Proceedings of the International Astronomical Union, 2018, v. 14, n. S343, p. 201, doi. 10.1017/S1743921318005446
    By:
    • Bhattacharya, Souradeep;
    • Arnaboldi, Magda;
    • Hartke, Johanna;
    • Gerhard, Ortwin;
    • Comte, Valentin;
    • McConnachie, Alan;
    • Harris, William E.
    Publication type:
    Article

  • Perspectives on Galactic Structure.

    Published in:
    Proceedings of the International Astronomical Union, 2017, v. 13, n. S336, p. 147, doi. 10.1017/S1743921317010286
    By:
    • Gerhard, Ortwin;
    • Tarchi, A.;
    • Reid, M.J.;
    • Castangia, P.
    Publication type:
    Article

  • The barred inner Milky Way: dynamical models from surveys.

    Published in:
    Proceedings of the International Astronomical Union, 2017, v. 13, n. S334, p. 73, doi. 10.1017/S1743921317007384
    By:
    • Gerhard, Ortwin;
    • Chiappini, Cristina;
    • Minchev, Ivan;
    • Starkenburg, Else;
    • Valentini, Marica
    Publication type:
    Article

  • The IMF in the Galactic Disk and Bulge are Indistinguishable.

    Published in:
    Proceedings of the International Astronomical Union, 2017, v. 13, n. S334, p. 90, doi. 10.1017/S1743921317007542
    By:
    • Wegg, Christopher;
    • Gerhard, Ortwin;
    • Portail, Matthieu;
    • Chiappini, Cristina;
    • Minchev, Ivan;
    • Starkenburg, Else;
    • Valentini, Marica
    Publication type:
    Article

  • The outer regions of the giant Virgo galaxy M87 Kinematic separation of stellar halo and intracluster light.

    Published in:
    Astronomy & Astrophysics / Astronomie et Astrophysique, 2015, v. 579, p. 1, doi. 10.1051/0004-6361/201525773
    By:
    • Longobardi, Alessia;
    • Arnaboldi, Magda;
    • Gerhard, Ortwin;
    • Hanuschik, Reinhard
    Publication type:
    Article

  • <sup>26</sup>Al kinematics: superbubbles following the spiral arms?

    Published in:
    Astronomy & Astrophysics / Astronomie et Astrophysique, 2015, v. 578, p. 1, doi. 10.1051/0004-6361/201525847
    By:
    • Krause, Martin G. H.;
    • Diehl, Roland;
    • Bagetakos, Yiannis;
    • Brinks, Elias;
    • Burkert, Andreas;
    • Gerhard, Ortwin;
    • Greiner, Jochen;
    • Kretschmer, Karsten;
    • Siegert, Thomas
    Publication type:
    Article

  • The Outer Halos of Early-Type Galaxies.

    Published in:
    Proceedings of the International Astronomical Union, 2014, v. 10, n. S311, p. 31, doi. 10.1017/S1743921315003336
    By:
    • Gerhard, Ortwin;
    • Arnaboldi, Magda;
    • Longobardi, Alessia;
    • Cappellari, Michele;
    • Courteau, Stéphane
    Publication type:
    Article

  • Kinematics of massive star ejecta in the Milky Way as traced by <sup>26</sup>Al.

    Published in:
    Astronomy & Astrophysics / Astronomie et Astrophysique, 2013, v. 559, p. 1, doi. 10.1051/0004-6361/201322563
    By:
    • Kretschmer, Karsten;
    • Diehl, Roland;
    • Krause, Martin;
    • Burkert, Andreas;
    • Fierlinger, Katharina;
    • Gerhard, Ortwin;
    • Greiner, Jochen;
    • Wei Wang
    Publication type:
    Article

  • Dark matter in massive galaxies.

    Published in:
    Proceedings of the International Astronomical Union, 2013, v. 8, n. S295, p. 211, doi. 10.1017/S174392131300481X
    By:
    • Gerhard, Ortwin
    Publication type:
    Article

  • Rotation of classical bulges during secular evolution of barred galaxies.

    Published in:
    Proceedings of the International Astronomical Union, 2012, v. 10, n. H16, p. 329, doi. 10.1017/S1743921314005936
    By:
    • Saha, Kanak;
    • Gerhard, Ortwin;
    • Montmerle, Thierry
    Publication type:
    Article

  • A secularly evolved model for the Milky Way bar and bulge.

    Published in:
    Proceedings of the International Astronomical Union, 2012, v. 10, n. H16, p. 351, doi. 10.1017/S1743921314011235
    By:
    • Martinez-Valpuesta, Inma;
    • Gerhard, Ortwin;
    • Montmerle, Thierry
    Publication type:
    Article

  • The planetary nebulae luminosity function and distances to the Virgo, Hydra i, and Coma Clusters.

    Published in:
    Proceedings of the International Astronomical Union, 2012, v. 8, n. S289, p. 287, doi. 10.1017/S1743921312021564
    By:
    • Arnaboldi, Magda;
    • Longobardi, Alessia;
    • Gerhard, Ortwin;
    • Okamura, S.
    Publication type:
    Article

  • Rotation of classical bulges during secular evolution of barred galaxies.

    Published in:
    Proceedings of the International Astronomical Union, 2012, v. 10, n. H16, p. 329, doi. 10.1017/S1743921314005936
    By:
    • Saha, Kanak;
    • Gerhard, Ortwin
    Publication type:
    Article

  • A secularly evolved model for the Milky Way bar and bulge.

    Published in:
    Proceedings of the International Astronomical Union, 2012, v. 10, n. H16, p. 351, doi. 10.1017/S1743921314011235
    By:
    • Martinez-Valpuesta, Inma;
    • Gerhard, Ortwin
    Publication type:
    Article

  • DIVISION VII: THE GALACTIC SYSTEM.

    Published in:
    Proceedings of the International Astronomical Union, 2011, v. 7, n. T28A, p. 243, doi. 10.1017/S174392131200289X
    By:
    • Hatzidimitriou, Despina;
    • Wyse, Rosemary;
    • Gerhard, Ortwin;
    • Carraro, Giovanni;
    • Elmegreen, Bruce Gordon;
    • Nordström, Birgitta
    Publication type:
    Article

  • COMMISSION 33: STRUCTURE AND DYNAMICS OF THE GALACTIC SYSTEM.

    Published in:
    Proceedings of the International Astronomical Union, 2011, v. 7, n. T28A, p. 246, doi. 10.1017/S1743921312002906
    By:
    • Wyse, Rosemary;
    • Nordström, Birgitta;
    • Gerhard, Ortwin;
    • Bland-Hawthorn, Joss;
    • Feltzing, Sofia;
    • Fuchs, Burkhard;
    • Minniti, Dante
    Publication type:
    Article

  • DIVISION VII: THE GALACTIC SYSTEM.

    Published in:
    Proceedings of the International Astronomical Union, 2010, v. 6, n. T27B, p. 216, doi. 10.1017/S1743921310005156
    By:
    • Gerhard, Ortwin;
    • Hatzidimitriou, Despina;
    • Whitelock, Patricia A.;
    • Lada, Charles J.;
    • Sarajedini, Ata;
    • Wyse, Rosemary F.;
    • Lazio, Joseph
    Publication type:
    Article

  • COMMISSION 33: STRUCTURE AND DYNAMICS OF THE GALACTIC SYSTEM.

    Published in:
    Proceedings of the International Astronomical Union, 2010, v. 6, n. T27B, p. 218, doi. 10.1017/S1743921310005168
    By:
    • Gerhard, Ortwin;
    • Wyse, Rosemary F.;
    • Whitelock, Patricia A.;
    • Efremov, Yuri N.;
    • Evans, Wyn;
    • Flynn, Chris;
    • Grindlay, Jonathan E.;
    • Nordström, Birgitta;
    • Yuan, Chi
    Publication type:
    Article

  • DIVISION VII: THE GALACTIC SYSTEM.

    Published in:
    Proceedings of the International Astronomical Union, 2009, v. 6, n. T27B, p. 216, doi. 10.1017/S1743921310005156
    By:
    • Gerhard, Ortwin;
    • Hatzidimitriou, Despina;
    • Whitelock, Patricia A.;
    • Lada, Charles J.;
    • Sarajedini, Ata;
    • Wyse, Rosemary F.;
    • Lazio, Joseph
    Publication type:
    Article

  • COMMISSION 33: STRUCTURE AND DYNAMICS OF THE GALACTIC SYSTEM.

    Published in:
    Proceedings of the International Astronomical Union, 2009, v. 6, n. T27B, p. 218, doi. 10.1017/S1743921310005168
    By:
    • Gerhard, Ortwin;
    • Wyse, Rosemary F.;
    • Whitelock, Patricia A.;
    • Efremov, Yuri N.;
    • Evans, Wyn;
    • Flynn, Chris;
    • Grindlay, Jonathan E.;
    • Nordström, Birgitta;
    • Yuan, Chi
    Publication type:
    Article

  • Dark Matter and Elliptical Galaxy Dynamics.

    Published in:
    Proceedings of the International Astronomical Union, 2009, v. 5, n. H15, p. 65, doi. 10.1017/S1743921310008203
    By:
    • Gerhard, Ortwin
    Publication type:
    Article

  • JD1-The Planetary Nebulae and the Dynamics of NGC 1399.

    Published in:
    Proceedings of the International Astronomical Union, 2009, v. 5, n. H15, p. 66, doi. 10.1017/S1743921310008215
    By:
    • McNeil, Emily;
    • Arnaboldi, Magda;
    • Gerhard, Ortwin;
    • Freeman, Kenneth;
    • Das, Payel;
    • Coccato, Lodovico
    Publication type:
    Article

  • The outer haloes of massive, elliptical galaxies.

    Published in:
    Proceedings of the International Astronomical Union, 2009, v. 5, n. H15, p. 92, doi. 10.1017/S1743921310008446
    By:
    • Das, Payel;
    • Gerhard, Ortwin;
    • de Lorenzi, Flavio;
    • McNeil, Emily;
    • Churazov, Eugene;
    • Coccato, Lodovico
    Publication type:
    Article

  • JD2 - Diffuse Light in Galaxy Clusters.

    Published in:
    Proceedings of the International Astronomical Union, 2009, v. 5, n. H15, p. 97, doi. 10.1017/S174392131000846X
    By:
    • Arnaboldi, Magda;
    • Gerhard, Ortwin
    Publication type:
    Article

  • Made-to-Measure N-body Modeling of the Milky Way Galaxy.

    Published in:
    Proceedings of the International Astronomical Union, 2009, v. 5, n. H15, p. 198, doi. 10.1017/S1743921310008732
    By:
    • Gerhard, Ortwin
    Publication type:
    Article

  • DIVISION VII: THE GALACTIC SYSTEM.

    Published in:
    Proceedings of the International Astronomical Union, 2008, v. 4, n. T27A, p. 273, doi. 10.1017/S1743921308025660
    By:
    • Gerhard, Ortwin;
    • Hatzidimitriou, Despina;
    • Whitelock, Patricia A.;
    • Lada, Charles J.;
    • Sarajedini, Ata;
    • Wyse, Rosemary F.;
    • Lazio, Joseph
    Publication type:
    Article

  • COMMISSION 33: STRUCTURE AND DYNAMICS OF THE GALACTIC SYSTEM.

    Published in:
    Proceedings of the International Astronomical Union, 2008, v. 4, n. T27A, p. 275, doi. 10.1017/S1743921308025672
    By:
    • Gerhard, Ortwin;
    • Wyse, Rosemary F.;
    • Whitelock, Patricia A.;
    • Efremov, Yuri N.;
    • Evans, Wyn;
    • Flynn, Chris;
    • Grindlay, Jonathan E.;
    • Nordström, Birgitta;
    • Yuan, Chi
    Publication type:
    Article

  • DIVISION VII: GALACTIC SYSTEM.

    Published in:
    Proceedings of the International Astronomical Union, 2007, v. 3, n. T26B, p. 175, doi. 10.1017/S1743921308023983
    By:
    • Whitelock, Patricia A.;
    • Sarajedini, Ata;
    • Meylan, Georges;
    • Gerhard, Ortwin;
    • Giersz, Miroslav;
    • Nordström, Birgitta;
    • Spergel, David N.;
    • Spurzem, Rainer
    Publication type:
    Article

  • COMMISSION 33: STRUCTURE AND DYNAMICS OF THE GALACTIC SYSTEM.

    Published in:
    Proceedings of the International Astronomical Union, 2007, v. 3, n. T26B, p. 177, doi. 10.1017/S1743921308023995
    By:
    • Whitelock, Patricia A.;
    • Gerhard, Ortwin;
    • Spergel, David;
    • Efremov, Yurij N.;
    • Evans, Wyn;
    • Flynn, Chris;
    • Grindlay, Jonathan E.;
    • Nordström, Birgitta;
    • Perryman, Michael A. C.;
    • Wyse, Rosemary F.;
    • Yuan, Chi
    Publication type:
    Article

  • Constraining the internal dynamics of stellar systems using the NMAGIC particle code.

    Published in:
    Proceedings of the International Astronomical Union, 2007, v. 3, n. S245, p. 27, doi. 10.1017/S1743921308017195
    By:
    • De Lorenzi, Flavio;
    • Gerhard, Ortwin;
    • Debattista, Victor P.;
    • Sambhus, Niranjan;
    • Coccato, L.;
    • Arnaboldi, M.;
    • Capaccioli, M.;
    • Douglas, N. G.;
    • Freeman, K. C.;
    • Kuijken, K.;
    • Merrifield, M. R.;
    • Napolitano, N. R.;
    • Noordermeer, E.;
    • Romanowsky, A. J.
    Publication type:
    Article

  • Self-gravitating warped disks around nuclear black holes.

    Published in:
    Proceedings of the International Astronomical Union, 2006, v. 2, n. S238, p. 467, doi. 10.1017/S1743921307005984
    By:
    • Ulubay-Siddiki, Ayse;
    • Gerhard, Ortwin;
    • Arnaboldi, Magda
    Publication type:
    Article

  • NMAGIC: Fast Parallel Implementation of a χ2-Made-To-Measure Algorithm for Modeling Observational Data.

    Published in:
    Proceedings of the International Astronomical Union, 2006, v. 2, n. S235, p. 91, doi. 10.1017/S1743921306005266
    By:
    • De Lorenzi, Flavio;
    • Debattista, Victor P.;
    • Gerhard, Ortwin;
    • Sambhus, Niranjan
    Publication type:
    Article

  • Planetary Nebulae Surveys Beyond the Local Group.

    Published in:
    Proceedings of the International Astronomical Union, 2006, v. 2, n. S234, p. 25, doi. 10.1017/S1743921306002717
    By:
    • Gerhard, Ortwin
    Publication type:
    Article

  • Kinematic Substructures in the Coma Cluster Core as traced by Intracluster Planetary Nebulae.

    Published in:
    Proceedings of the International Astronomical Union, 2006, v. 2, n. S234, p. 337, doi. 10.1017/S1743921306003188
    By:
    • Arnaboldi, Magda;
    • Gerhard, Ortwin;
    • Freeman, Kenneth C.;
    • Kashikawa, Nobunari;
    • Okamura, Sadanori;
    • Yasuda, Naoki
    Publication type:
    Article

  • Division VII: Galactic System.

    Published in:
    Proceedings of the International Astronomical Union, 2005, v. 1, n. T26A, p. 273, doi. 10.1017/S1743921306004674
    By:
    • Whitelock, Patricia;
    • Sarajedini, Ata;
    • Gerhard, Ortwin;
    • Giersz, Mirek;
    • Meylan, Georges;
    • Nordström, Birgitta;
    • Spergel, David;
    • Spurzem, Rainer
    Publication type:
    Article

  • Commission 33: Structure and Dynamics of the Galactic System.

    Published in:
    Proceedings of the International Astronomical Union, 2005, v. 1, n. T26A, p. 275, doi. 10.1017/S1743921306004686
    By:
    • Whitelock, Patricia;
    • Gerhard, Ortwin;
    • Efremov, Yuri;
    • Evans, Wyn;
    • Flynn, Chris;
    • Grindlay, Josh;
    • Nordström, Birgitta;
    • Perryman, Michael;
    • Wyse, Rosemary;
    • Yuan, Chi
    Publication type:
    Article