Publications of Ortwin Gerhard

Pérez-Villegas, A.; Portail, M.; Gerhard, O.: The stellar halo in the inner Milky Way: predicted shape and kinematics. Monthly Notices of the Royal Astronomical Society: Letters 464 (1), pp. L80 - L84 (2017)

Wegg, C.; Gerhard, O.; Portail, M.: MOA-II Galactic microlensing constraints: the inner Milky Way has a low dark matter fraction and a near maximal disc. Monthly Notices of the Royal Astronomical Society 463 (1), pp. 557 - 570 (2016)

Li, Z.; Gerhard, O.; Shen, J.; Portail, M.; Wegg, C.: Gas dynamics in the Milky Way: a low pattern speed model. The Astrophysical Journal 824 (1), 13, pp. 1 - 11 (2016)

Fritz, T. K.; Chatzopoulos, S.; Gerhard, O.; Gillessen, S.; Genzel, R.; Pfuhl, O.; Tacchella, S.; Eisenhauer, F.; Ott, T.: The nuclear cluster of the Milky Way: total mass and luminosity. The Astrophysical Journal 821 (1), 44, pp. 1 - 42 (2016)

Saha, K.; Gerhard, O.; Martinez-Valpuesta, I.: Spin-up of massive classical bulges during secular evolution. Astronomy & Astrophysics 588, A42 (2016)

Aniyan, S.; Freeman, K. C.; Gerhard, O. E.; Arnaboldi, M.; Flynn, C.: The influence of a kinematically cold young component on disc–halo decompositions in spiral galaxies: insights from solar neighbourhood K-giants. Monthly Notices of the Royal Astronomical Society 456 (2), pp. 1484 - 1494 (2016)

Johannsen, T.; Broderick, A. E.; Plewa, P. M.; Chatzopoulos, S.; Doeleman, S. S.; Eisenhauer, F.; Fish, V. L.; Genzel, R.; Gerhard, O.; Johnson, a. M. D.: Testing general relativity with the shadow size of Sgr A∗. Physical Review Letters 116 (3), 031101, pp. 1 - 5 (2016)

Longobardi, A.; Arnaboldi, M.; Gerhard, O.: The ongoing growth of the M87 Halo through accretion events. Galaxies 3 (4), pp. 212 - 219 (2015)

Chatzopoulos, S.; Gerhard, O.; Fritz, T. K.; Wegg, C.; Gillessen, S.; Pfuhl, O.; Eisenhauer, F.: Dust within the nuclear star cluster in the Milky Way. Monthly Notices of the Royal Astronomical Society 453 (1), pp. 939 - 950 (2015)

Wegg, C.; Gerhard, O.; Portail, M.: The structure of the Milky Way's bar outside the bulge. Monthly Notices of the Royal Astronomical Society 450 (4), pp. 4050 - 4069 (2015)

Longobardi, A.; Arnaboldi, M.; Gerhard, O.; Hanuschik, R.: The outer regions of the giant Virgo galaxy M 87 Kinematic separation of stellar halo and intracluster light. Astronomy & Astrophysics 579, A135, pp. 1 - 16 (2015)

Longobardi, A.; Arnaboldi, M.; Gerhard, O.; Mihos, J. C.: The build-up of the cD halo of M 87: evidence for accretion in the last Gyr. Astronomy & Astrophysics 579, L3, pp. 1 - 4 (2015)

Portail, M.; Wegg, C.; Gerhard, O.: Peanuts, brezels and bananas: food for thought on the orbital structure of the Galactic bulge. Monthly Notices of the Royal Astronomical Society: Letters 450 (1), pp. L66 - L70 (2015)

Krause, M. G. H.; Diehl, R.; Bagetakos, Y.; Brinks, E.; Burkert, A.; Gerhard, O.; Greiner, J.; Kretschmer, K.; Siegert, T.: 26Al kinematics: superbubbles following the spiral arms? Constraints from the statistics of star clusters and HI supershells. Astronomy & Astrophysics 578, A113, pp. 1 - 6 (2015)

Portail, M.; Wegg, C.; Gerhard, O.; Martinez-Valpuesta, I.: Made-to-measure models of the Galactic box/peanut bulge: stellar and total mass in the bulge region. Monthly Notices of the Royal Astronomical Society 448 (1), pp. 713 - 731 (2015)

Chatzopoulos, S.; Fritz, T. K.; Gerhard, O.; Gillessen, S.; Wegg, C.; Genzel, R.; Pfuhl, O.: The old nuclear star cluster in the Milky Way: dynamics, mass, statistical parallax, and black hole mass. Monthly Notices of the Royal Astronomical Society 447 (1), pp. 948 - 968 (2015)

Urrutia-Viscarra, F.; Arnaboldi, M.; Mendes de Oliveira, C.; Gerhard, O.; Torres-Flores, S.; Carrasco, E. R.; de Mello, D.: A census of Hα emitters in the intergalactic medium of the NGC 2865 system. Astronomy & Astrophysics 569, A97 (2014)

Wu, X.; Gerhard, O.; Naab, T.; Oser, L.; Martinez-Valpuesta, I.; Hilz, M.; Churazov, E.; Lyskova, N.: The mass and angular momentum distribution of simulated massive early-type galaxies to large radii. Monthly Notices of the Royal Astronomical Society 438 (3), pp. 2701 - 2715 (2014)

Coccato, L.; Arnaboldi, M.; Gerhard, O.: Signatures of accretion events in the haloes of early-type galaxies from comparing PNe and GCs kinematics. Monthly Notices of the Royal Astronomical Society 436 (2), pp. 1322 - 1334 (2013)

Wegg, C.; Gerhard, O.: The Milky Way’s Box/Peanut Bulge: measuring its three-dimensional structure using the VVV survey. The ESO Messenger 154, pp. 54 - 56 (2013)