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Detection of faint stars near SgrA* with GRAVITY
GRAVITY Collaboration, R. Abuter, A. Amorim +58
The spin of the supermassive black hole that resides at the Galactic Centre can in principle be measured by accurate measurements of the orbits of stars that are much closer to Sgr…
Determining sub-parsec supermassive black hole binary orbits with infrared interferometry
J. Dexter, D. Lutz, T. T. Shimizu +12
Radial velocity monitoring has revealed the presence of moving broad emission lines in some quasars, potentially indicating the presence of a sub-parsec binary system. Phase-refere…
The spatially resolved broad line region of IRAS 09149-6206
GRAVITY Collaboration, A. Amorim, W. Brandner +41
We present new near-infrared VLTI/GRAVITY interferometric spectra that spatially resolve the broad Br emission line in the nucleus of the active galaxy IRAS 09149-6206. We use t…
Structural evolution in massive galaxies at z~2
Ken-ichi Tadaki, Sirio Belli, Andreas Burkert +18
We present 0.2arcsec-resolution Atacama Large Millimeter/submillimeter Array observations at 870 m in a stellar mass-selected sample of 85 massive ($M_\mathrm{star}>10^{11}~M_\o…
The Kinematics and Dark Matter Fractions of TNG50 Galaxies at z=2 from an Observational Perspective
Hannah Übler, Shy Genel, Amiel Sternberg +13
We contrast the gas kinematics and dark matter contents of star-forming galaxies (SFGs) from state-of-the-art cosmological simulations within the CDM framework to observat…
Rotation Curves in z~1-2 Star-Forming Disks: Evidence for Cored Dark Matter Distributions
R. Genzel, S. H. Price, H. Übler +22
We report high quality, Halpha or CO rotation curves (RCs) to several Re for 41 large, massive, star-forming disk galaxies (SFGs), across the peak of cosmic galaxy evolution (z~0.6…