Publications of Ortwin Gerhard

Tahmasebzadeh, B.; Dattathri, S.; Valluri, M.; Shen, J.; Zhu, L.; Wheeler, V.; Gerhard, O.; Kataria, S. K.; Silva, L. B. e.; Daniel, K. J.: Orbital Support and Evolution of CX/OX Structures in Boxy/Peanut Bars. ASTROPHYSICAL JOURNAL 975 (1), 120 (2024)

Saito, R. K.; Hempel, M.; Alonso-Garcia, J.; Lucas, P. W.; Minniti, D.; Alonso, S.; Baravalle, L.; Borissova, J.; Caceres, C.; Chene, A. N. et al.; Cross, N. J. G.; Duplancic, F.; Garro, E. R.; Gomez, M.; Ivanov, V. D.; Kurtev, R.; Luna, A.; Majaess, D.; Navarro, M. G.; Pullen, J. B.; Rejkuba, M.; Sanders, J. L.; Smith, L. C.; Albino, P. H. C.; Alonso, M. V.; Amores, E. B.; Angeloni, R.; Arias, J. I.; Arnaboldi, M.; Barbuy, B.; Bayo, A.; Beamin, J. C.; Bedin, L. R.; Bellini, A.; Benjamin, R. A.; Bica, E.; Bonatto, C. J.; Botan, E.; Braga, V. F.; Brown, D. A.; Cabral, J. B.; Camargo, D.; Garatti, C. O. A.; Carballo-Bello, J. A.; Catelan, M.; Chavero, C.; Chijani, M. A.; Claria, J. J.; Coldwell, G. V.; Pena, C. C.; Contreras Ramos, R.; Corral-Santana, J. M.; Cortes, C. C.; Cortes-Contreras, M.; Cruz, P.; Daza-Perilla, I. V.; Debattista, V. P.; Dias, B.; Donoso, L.; D'Souza, R.; Emerson, J. P.; Federle, S.; Fermiano, V.; Fernandez, J.; Fernandez-Trincado, J. G.; Ferreira, T.; Ferreira Lopes, C. E.; Firpo, V.; Flores-Quintana, C.; Fraga, L.; Froebrich, D.; Galdeano, D.; Gavignaud, I.; Geisler, D.; Gerhard, O. E.; Gieren, W.; Gonzalez, O. A.; Gramajo, L. V.; Gran, F.; Granitto, P. M.; Griggio, M.; Guo, Z.; Gurovich, S.; Hilker, M.; Jones, H. R. A.; Kammers, R.; Kuhn, M. A.; Kumar, M. S. N.; Kundu, R.; Lares, M.; Libralato, M.; Lima, E.; Maccarone, T. J.; Marchant Cortes, P.; Martin, E. L.; Masetti, N.; Matsunaga, N.; Mauro, F.; McDonald, I.; Mejias, A.; Mesa, V.; Milla-Castro, F. P.; Minniti, J. H.; Moni Bidin, C.; Montenegro, K.; Morris, C.; Motta, V.; Navarete, F.; Navarro Molina, C.; Nikzat, F.; Nilo Castellon, J. L.; Obasi, C.; Ortigoza-Urdaneta, M.; Palma, T.; Parisi, C.; Pena Ramirez, K.; Pereyra, L.; Perez, N.; Petralia, I.; Pichel, A.; Pignata, G.; Ramirez Alegria, S.; Rojas, A. F.; Rojas, D.; Roman-Lopes, A.; Rovero, A. C.; Saroon, S.; Schmidt, E. O.; Schröder, A. C.; Schultheis, M.; Sgro, M. A.; Solano, E.; Soto, M.; Stecklum, B.; Steeghs, D.; Tamura, M.; Tissera, P.; Valcarce, A. A. R.; Valotto, C. A.; Vasquez, S.; Villalon, C.; Villanova, S.; Vivanco Cadiz, F.; Zelada Bacigalupo, R.; Zijlstra, A.; Zoccali, M.: The VISTA Variables in the Via Lactea extended (VVVX) ESO public survey: Completion of the observations and legacy. ASTRONOMY & ASTROPHYSICS 689, A148 (2024)

Versic, T.; Rejkuba, M.; Arnaboldi, M.; Gerhard, O.; Pulsoni, C.; Valenzuela, L. M.; Hartke, J.; Watkins, L. L.; van de Ven, G.; Thater, S.: Shapes of dark matter haloes with discrete globular cluster dynamics: The example of NGC 5128 (Centaurus A). ASTRONOMY & ASTROPHYSICS 687, A80 (2024)

Feng, Z.-X.; Li, Z.; Shen, J.; Gerhard, O.; Saglia, R. P.; Blaña, M.; Li, H.; Jing, Y.: Bar-driven Gas Dynamics of M31. The Astrophysical Journal 963 (1), 22 (2024)

Koch-Hansen, A. J.; Pasquali, A.; Rich, R. M.; Gerhard, O.; Mueller, O.: The Halos and Environments of Nearby Galaxies (HERON) survey - IV. Complexity in the boxy galaxies NGC 720 and NGC 2768. ASTRONOMY & ASTROPHYSICS 682, A95 (2024)

Kawata, D.; Kawahara, H.; Gouda, N.; Secrest, N. J.; Kano, R.; Kataza, H.; Isobe, N.; Ohsawa, R.; Usui, F.; Yamada, Y. et al.; Graham, A. W.; Pettitt, A. R.; Asada, H.; Baba, J.; Bekki, K.; Dorland, B. N.; Fujii, M.; Fukui, A.; Hattori, K.; Hirano, T.; Kamizuka, T.; Kashima, S.; Kawanaka, N.; Kawashima, Y.; Klioner, S. A.; Kodama, T.; Koshimoto, N.; Kotani, T.; Kuzuhara, M.; Levine, S. E.; Majewski, S. R.; Masuda, K.; Matsunaga, N.; Miyakawa, K.; Miyoshi, M.; Morihana, K.; Nishi, R.; Notsu, Y.; Omiya, M.; Sanders, J.; Tanikawa, A.; Tsujimoto, M.; Yano, T.; Aizawa, M.; Arimatsu, K.; Biermann, M.; Boehm, C.; Chiba, M.; Debattista, V. P.; Gerhard, O.; Hirabayashi, M.; Hobbs, D.; Ikenoue, B.; Izumiura, H.; Jordi, C.; Kohara, N.; Loeffler, W.; Luri, X.; Mase, I.; Miglio, A.; Mitsuda, K.; Newswander, T.; Nishiyama, S.; Obuchi, Y.; Ootsubo, T.; Ouchi, M.; Ozaki, M.; Perryman, M.; Prusti, T.; Ramos, P.; Read I, J.; Rich, R. M.; Schonrich, R.; Shikauchi, M.; Shimizu, R.; Suematsu, Y.; Tada, S.; Takahashi, A.; Tatekawa, T.; Tatsumi, D.; Tsujimoto, T.; Tsuzuki, T.; Urakawa, S.; Uraguchi, F.; Utsunomiya, S.; Van Eylen, V.; van Leeuwen, F.; Wada, T.; Walton, N. A.: JASMINE: Near-infrared astrometry and time-series photometry science. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN 76 (3), pp. 386 - 425 (2024)

Sanders, J. L.; Kawata, D.; Matsunaga, N.; Sormani, M. C.; Smith, L. C.; Minniti, D.; Gerhard, O.: The epoch of the Milky Way's bar formation: dynamical modelling of Mira variables in the nuclear stellar disc. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 530 (3), pp. 2972 - 2993 (2024)

Tahmasebzadeh, B.; Zhu, L.; Shen, J.; Gadotti, D. A.; Valluri, M.; Thater, S.; van de Ven, G.; Jin, Y.; Gerhard, O.; Erwin, P. et al.; Jethwa, P.; Zocchi, A.; Lilley, E. J.; Fragkoudi, F.; de Lorenzo-Caceres, A.; Mendez-Abreu, J.; Neumann, J.; Guo, R.: Schwarzschild modelling of barred s0 galaxy NGC 4371. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 534 (1), pp. 861 - 882 (2024)

Kobayashi, C.; Bhattacharya, S.; Arnaboldi, M.; Gerhard, O.: On the α/Fe Bimodality of the M31 Disks. Astrophysical Journal, Letters 956 (1), L14 (2023)

Pulsoni, C.; Gerhard, O.; Fall, S. M.; Arnaboldi, M.; Ennis, A. I.; Hartke, J.; Coccato, L.; Napolitano, N. R.: The extended Planetary Nebula Spectrograph (ePN.S) early-type galaxy survey: The specific angular momentum of ETGs. Astronomy and Astrophysics 674, A96 (2023)

Bhattacharya, S.; Arnaboldi, M.; Hammer, F.; Yang, Y.; Gerhard, O.; Caldwell, N.; Freeman, K. C.: The survey of planetary nebulae in Andromeda (M 31) VI. Kinematics of M 31 inner-halo substructures and comparison with major-merger simulation predictions. Monthly Notices of the Royal Astronomical Society 522 (4), pp. 6010 - 6023 (2023)

Arnaboldi, M.; Gerhard, O.: Kinematics of the diffuse intragroup and intracluster light in groups and clusters of galaxies in the local universe within 100 Mpc distance. Frontiers in Astronomy and Space Sciences 9, 872283 (2022)

Tahmasebzadeh, B.; Zhu, L.; Shen, J.; Gerhard, O.; van de Ven, G.: Orbit-superposition dynamical modeling of barred galaxies. The Astrophysical Journal 941 (2), 109 (2022)

Bhattacharya, S.; Arnaboldi, M.; Caldwell, N.; Gerhard, O.; Kobayashi, C.; Hartke, J.; Freeman, K. C.; McConnachie, A. W.; Guhathakurta, P.: The survey of planetary nebulae in Andromeda (M31) – IV. Radial oxygen and argon abundance gradients of the thin and thicker disc. Monthly Notices of the Royal Astronomical Society 517 (2), pp. 2343 - 2359 (2022)

Arnaboldi, M.; Bhattacharya, S.; Gerhard, O.; Kobayashi, C.; Freeman, K. C.; Caldwell, N.; Hartke, J.; McConnachie, A.; Guhathakurta, P.: The survey of planetary nebulae in Andromeda (M31) - V. Chemical enrichment of the thin and thicker discs of Andromeda: Oxygen to argon abundance ratios for planetary nebulae and HII regions. Astronomy and Astrophysics 666, A109 (2022)

Sormani, M. C.; Gerhard, O.; Portail, M.; Vasiliev, E.; Clarke, J.: The stellar mass distribution of the Milky Way’s bar: an analytical model. Monthly Notices of the Royal Astronomical Society 514 (1), pp. L1 - L5 (2022)

Feng, Z.-X.; Li, Z.; Shen, J.; Gerhard, O.; Saglia, R. P.; Blaña, M.: Large-scale hydrodynamical shocks as the smoking-gun evidence for a bar in M31. The Astrophysical Journal 933 (2), 233 (2022)

Khoperskov, S.; Gerhard, O.: Chemo-kinematics of the Milky Way spiral arms and bar resonances: Connection to ridges and moving groups in the solar vicinity. Astronomy and Astrophysics 663, A38 (2022)

Hartke, J.; Arnaboldi, M.; Gerhard, O.; Coccato, L.; Merrifield, M.; Kuijken, K.; Pulsoni, C.; Agnello, A.; Bhattacharya, S.; Spiniello, C. et al.; Cortesi, A.; Freeman, K. C.; Napolitano, N. R.; Romanowsky, A. J.: The halo of M 105 and its group environment as traced by planetary nebula populations - II. Using kinematics of single stars to unveil the presence of intragroup light around the Leo I galaxies NGC 3384 and M 105. Astronomy and Astrophysics 663, A12 (2022)

Sormani, M. C.; Sanders, J. L.; Fritz, T. K.; Smith, L. C.; Gerhard, O.; Schödel, R. S.; Magorrian, J.; Neumayer, N.; Nogueras-Lara, F.; Feldmeier-Krause, A. et al.; Mastrobuono-Battisti, A.; Schultheis, M.; Shahzamanian, B.; Vasiliev, E.; Klessen, R. S.; Lucas, P.; Minniti, D.: Self-consistent modelling of the Milky Way's nuclear stellar disc. Monthly Notices of the Royal Astronomical Society 512 (1), pp. 1857 - 1884 (2022)