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PHIBSS: Exploring the Dependence of the CO-H Conversion Factor on Total Mass Surface Density at
Timothy Carleton, Michael C. Cooper, Alberto D. Bolatto +10
We present an analysis of the relationship between the CO-H conversion factor () and total mass surface density () in star-forming galaxies at $z < 1…
An Update on Monitoring Stellar Orbits in the Galactic Center
Stefan Gillessen, Philipp Plewa, Frank Eisenhauer +9
Using 25 years of data from uninterrupted monitoring of stellar orbits in the Galactic Center, we present an update of the main results from this unique data set: A measurement of…
The Role of Host Galaxy for the Environmental Dependence of Active Nuclei in Local Galaxies
R. I. Davies, E. K. S. Hicks, P. Erwin +22
We discuss the environment of local hard X-ray selected active galaxies, with reference to two independent group catalogues. We find that the fraction of these AGN in S0 host galax…
3D AMR simulations of G2 as an outflow
A. Ballone, M. Schartmann, A. Burkert +8
We study the evolution of G2 in a \textit{Compact Source Scenario}, where G2 is the outflow from a low-mass central star moving on the observed orbit. This is done through 3D AMR s…
The metrology system of the VLTI instrument GRAVITY
Magdalena Lippa, Stefan Gillessen, Nicolas Blind +24
The VLTI instrument GRAVITY combines the beams from four telescopes and provides phase-referenced imaging as well as precision-astrometry of order 10 microarcseconds by observing t…
Bulge-forming galaxies with an extended rotating disk at z~2
Ken-ichi Tadaki, Reinhard Genzel, Tadayuki Kodama +24
We present 0".2-resolution Atacama Large Millimeter/submillimeter Array observations at 870 um for 25 Halpha-seleced star-forming galaxies (SFGs) around the main-sequence at z=2.2-…
Making SPIFFI SPIFFIER: Upgrade of the SPIFFI instrument for use in ERIS and performance analysis from re-commissioning
E. M. George, D. Gräff, H. Feuchtgruber +15
SPIFFI is an AO-fed integral field spectrograph operating as part of SINFONI on the VLT, which will be upgraded and reused as SPIFFIER in the new VLT instrument ERIS. In January 20…
Constraints on the Broad Line Region Properties and Extinction in Local Seyferts
Allan Schnorr-Müller, R. I. Davies, K. T. Korista +22
We use high spectral resolution (R > 8000) data covering 3800-13000Å to study the physical conditions of the broad line region (BLR) of nine nearby Seyfert 1 galaxies. Up to six br…
Molecular and atomic gas along and across the main sequence of star-forming galaxies
A. Saintonge, B. Catinella, L. Cortese +10
We use spectra from the ALFALFA, GASS and COLD GASS surveys to quantify variations in the mean atomic and molecular gas mass fractions throughout the SFR-M* plane and along the mai…
MICADO: first light imager for the E-ELT
R. Davies, J. Schubert, M. Hartl +80
MICADO will equip the E-ELT with a first light capability for diffraction limited imaging at near-infrared wavelengths. The instrument's observing modes focus on various flavours o…
ALMA Resolves the Nuclear Disks of Arp 220
Nick Scoville, Lena Murchikova, Fabian Walter +20
We present 90 mas (37 pc) resolution ALMA imaging of Arp 220 in the CO (1-0) line and continuum at mm. The internal gas distribution and kinematics of both galactic nuclei…
Broad [CII] line wings as tracer of molecular and multi-phase outflows in infrared bright galaxies
A. W. Janssen, N. Christopher, E. Sturm +13
We report a tentative correlation between the outflow characteristics derived from OH absorption at and [CII] emission at in a sample of 22 local…
The evolution of metallicity and metallicity gradients from z=2.7-0.6 with KMOS3D
Eva Wuyts, Emily Wisnioski, Matteo Fossati +28
We present measurements of the [NII]/Ha ratio as a probe of gas-phase oxygen abundance for a sample of 419 star-forming galaxies at z=0.6-2.7 from the KMOS3D near-IR multi-IFU surv…
KMOS^3D: Dynamical constraints on the mass budget in early star-forming disks
S. Wuyts, N. M. Förster Schreiber, E. Wisnioski +26
We exploit deep integral-field spectroscopic observations with KMOS/VLT of 240 star-forming disks at 0.6 < z < 2.6 to dynamically constrain their mass budget. Our sample consists o…
The G2+G2t complex as a fast and massive outflow?
A. Ballone, M. Schartmann, A. Burkert +8
Observations of the gas component of the cloud G2 in the Galactic Center have revealed its connection to a tail (G2t) lying on the same orbit. More recent studies indicate a connec…
Thick Disks, and an Outflow, of Dense Gas in the Nuclei of Nearby Seyfert Galaxies
Ming-Yi Lin, R. I. Davies, L. Burtscher +12
We discuss the dense molecular gas in central regions of nearby Seyfert galaxies, and report new arcsec resolution observations of HCN(1-0) and HCO(1-0) for 3 objects. In NGC 3…
Testing General Relativity with the Shadow Size of Sgr A*
Tim Johannsen, Avery E. Broderick, Philipp M. Plewa +7
In general relativity, the angular radius of the shadow of a black hole is primarily determined by its mass-to-distance ratio and depends only weakly on its spin and inclination. I…