Publikationen von O. Gerhard

Coccato, L.; Gerhard, O.; Arnaboldi, M.; Das, P.; Douglas, N. G.; Kuijken, K.; Merrifield, M. R.; Napolitano, N. R.; Noordermeer, E.; Romanowsky, A. J. et al.; Capaccioli, M.; Cortesi, A.; De Lorenzi, F.; Freeman, K. C.: Kinematic properties of early-type galaxy haloes using planetary nebulae. Monthly Notices of the Royal Astronomical Society 394 (3), S. 1249 - 1283 (2009)

De Lorenzi, F.; Gerhard, O.; Coccato, L.; Arnaboldi, M.; Capaccioli, M.; Douglas, N. G.; Freeman, K. C.; Kuijken, K.; Merrifield, M. R.; Napolitano, N. R. et al.; Noordermeer, E.; Romanowsky, A. J.; Debattista, V. P.: Dearth of dark matter or massive dark halo? Mass-shape-anisotropy degeneracies revealed by nmagic dynamical models of the elliptical galaxy NGC 3379. Monthly Notices of the Royal Astronomical Society 395 (1), S. 76 - 96 (2009)

Napolitano, N. R.; Romanowsky, A. J.; Coccato, L.; Capaccioli, M.; Douglas, N. G.; Noordermeer, E.; Gerhard, O.; Arnaboldi, M.; De Lorenzi, F.; Kujiken, K. et al.; Merrifield, M. R.; O'Sullivan, E.; Cortesi, A.; Das, P.; Freeman, K. C.: The planetary nebula spectrograph elliptical galaxy survey: the dark matter in NGC 4494. Monthly Notices of the Royal Astronomical Society 393 (2), S. 329 - 353 (2009)

Coccato, L.; Gerhard, O.; Arnaboldi, M.; Das, P.; Douglas, N. G.; Kuijken, K.; Merrifield, M. R.; Napolitano, N. R.; Noordermeer, E.; Romanowsky, A. J. et al.; Capaccioli, M.; Cortesi, A.; De Lorenzi, F.; Freeman, K. C.: Probing the kinematics of early-type galaxy halos using planetary nebulae. Astronomische Nachrichten 329 (9-10), S. 912 - 915 (2008)

Das, P.; Gerhard, O.; Coccato, L.; Churazov, E.; Forman, W.; Finoguenov, A.; Böhringer, H.; Arnaboldi, M.; Capaccioli, M.; Cortesi, A. et al.; de Lorenzi, F.; Douglas, N. G.; Freeman, K. C.; Kuijken, K.; Merrifield, M. R.; Napolitano, N. R.; Noordermeer, E.; Romanowsky, A. J.: The orbital structure of the massive elliptical galaxy NGC 5846. Astronomische Nachrichten 329 (9-10), S. 940 - 943 (2008)

Trippe, S.; Gillessen, S.; Gerhard, O. E.; Bartko, H.; Fritz, T. K.; Maness, H. L.; Eisenhauer, F.; Martins, F.; Ott, T.; Dodds-Eden, K. et al.; Genzel, R.: Kinematics of the old stellar population at the galactic centre. Astronomy & Astrophysics 492 (2), S. 419 - 439 (2008)

Ventimiglia, G.; Arnaboldi, M.; Gerhard, O.: Intracluster planetary nebulae in the Hydra I cluster. Astronomische Nachrichten 329 (9-10), S. 1057 - 1060 (2008)

Genzel, R.; Burkert, A.; Bouché, N.; Cresci, G.; Förster Schreiber, N. M.; Shapley, A.; Shapiro, K.; Tacconi, L. J.; Buschkamp, P.; Cimatti, A. et al.; Daddi, E.; Davies, R.; Eisenhauer, F.; Erb, D. K.; Genel, S.; Gerhard, O.; Hicks, E.; Lutz, D.; Naab, T.; Ott, T.; Rabien, S.; Renzini, A.; Steidel, C. C.; Sternberg, A.; Lilly, S. J.: From rings to bulges: evidence for rapid secular galaxy evolution at z 2 from integral field spectroscopy in the SINS survey. The Astrophysical Journal 687 (1), S. 59 - 77 (2008)

Churazov, E.; Forman, W.; Vikhlinin, A.; Tremaine, S.; Gerhard, O.; Jones, C.: Measuring the non-thermal pressure in early-type galaxy atmospheres: a comparison of X-ray and optical potential profiles in M87 and NGC 1399. Monthly Notices of the Royal Astronomical Society 388 (3), S. 1062 - 1078 (2008)

Zwitter, T.; Siebert, A.; Munari, U.; Freeman, K. C.; Siviero, A.; Watson, F. G.; Fulbright, J. P.; Wyse, R. F. G.; Campbell, R.; Seabroke, G. M. et al.; Williams, M.; Steinmetz, M.; Bienaymé, O.; Gilmore, G.; Grebel, E. K.; Helmi, A.; Navarro, J. F.; Anguiano, B.; Boeche, C.; Burton, D.; Cass, P.; Dawe, J.; Fiegert, K.; Hartley, M.; Russell, K.; Veltz, L.; Bailin, J.; Binney, J.; Bland-Hawthorn, J.; Brown, A.; Dehnen, W.; Evans, N. W.; Re Fiorentin, P.; Fiorucci, M.; Gerhard, O.; Gibson, B.; Kelz, A.; Kujken, K.; Matijevic, G.; Minchev, I.; Parker, Q. A.; Penarrubia, J.; Quillen, A.; Read, M. A.; Reid, W.; Roeser, S.; Ruchti, G.; Scholz, R.-D.; Smith, M. C.; Sordo, R.; Tolstoi, E.; Tomasella, L.; Vidrih, S.; Wylie De Boer, E.: The Radial Velocity Experiment (RAVE): second data release. Astronomical Journal 136 (1), S. 421 - 451 (2008)

De Lorenzi, F.; Gerhard, O.; Saglia, R. P.; Sambhus, N.; Debattista, V. P.; Pannella, M.; Méndez, R. H.: Dark matter content and internal dynamics of NGC 4697: nmagic particle models from slit data and planetary nebula velocities. Monthly Notices of the Royal Astronomical Society 385 (4), S. 1729 - 1748 (2008)

Noordermeer, E.; Merrifield, M. R.; Coccato, L.; Arnaboldi, M.; Capaccioli, M.; Douglas, N. G.; Freeman, K. C.; Gerhard, O.; Kuijken, K.; De Lorenzi, F. et al.; Napolitano, N. R.; Romanowsky, A. J.: Testing the nature of S0 galaxies using planetary nebula kinematics in NGC 1023. Monthly Notices of the Royal Astronomical Society 384 (3), S. 943 - 952 (2008)

Arnaboldi, M.; Doherty, M.; Gerhard, O.; Ciardullo, R.; Aguerri, J. A. L.; Feldmeier, J. J.; Freeman, K. C.; Jacoby, G. H.: Expansion velocities and core masses of bright planetary nebulae in the Virgo Cluster. The Astrophysical Journal 674 (1), S. L17 - L20 (2008)

Douglas, N. G.; Napolitano, N. R.; Romanowsky, A. J.; Coccato, L.; Kuijken, K.; Merrifield, M. R.; Arnaboldi, M.; Gerhard, O.; Freeman, K. C.; Merrett, H. R. et al.; Noordermeer, E.; Capaccioli, M.: The PN.S elliptical galaxy survey: data reduction, planetary nebula catalog and basic dynamics for NGC 3379. The Astrophysical Journal 664 (1 Part 1), S. 257 - 276 (2007)

Rattenbury, N. J.; Mao, S.; Debattista, V. P.; Sumi, T.; Gerhard, O.; De Lorenzi, F.: Proper motion dispersions of red clump giants in the galactic bulge: observations and model comparisons. Monthly Notices of the Royal Astronomical Society 378 (3), S. 1165 - 1176 (2007)

Gerhard, O.; Arnaboldi, M.; Freeman, K. C.; Okamura, S.; Kashikawa, N.; Yasuda, N.: The kinematics of intracluster planetary nebulae and the on-going subcluster merger in the Coma cluster core. Extended baselines for the IRAM Plateau de Bure interferometer: first results, S. 815 - 822 (2007)

Murante, G.; Giovalli, M.; Gerhard, O.; Arnaboldi, M.; Borgani, S.; Dolag, K.: The importance of mergers for the origin of intracluster stars in cosmological simulations of galaxy clusters. Monthly Notices of the Royal Astronomical Society 377 (1), S. 2 - 16 (2007)

De Lorenzi, F.; Debattista, V. P.; Gerhard, O.; Sambhus, N.: NMAGIC: a fast parallel implementation of a χ2-made-to-measure algorithm for modelling observational data. Monthly Notices of the Royal Astronomical Society 376 (1), S. 71 - 88 (2007)

Durrell, P. R.; Williams, B. F.; Ciardullo, R.; Feldmeier, J. J.; von Hippel, T.; Sigurdsson, S.; Jacoby, G. H.; Ferguson, H. C.; Tanvir, N. R.; Arnaboldi, M. et al.; Gerhard, O.; Aguerri, J. A. L.; Freeman, K.; Vinciguerra, M.: The resolved stellar populations of a dwarf spheroidal galaxy in the Virgo cluster. Astrophysical Journal 656 (2 Part 1), S. 746 - 755 (2007)

Williams, B. F.; Ciardullo, R.; Durrell, P. R.; Vinciguerra, M.; Feldmeier, J. J.; Jacoby, G. H.; Sigurdsson, S.; von Hippel, T.; Ferguson, H. C.; Tanvir, N. R. et al.; Arnaboldi, M.; Gerhard, O.; Aguerri, J. A. L.; Freeman, K.: The metallicity distribution of intracluster stars in Virgo. Astrophysical Journal 656 (2 Part 1), S. 756 - 769 (2007)