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Measures of galaxy dust and gas mass with Herschel photometry and prospects for ALMA
S. Berta, D. Lutz, R. Genzel +2
(Abridged) Combining the deepest Herschel extragalactic surveys (PEP, GOODS-H, HerMES), and Monte Carlo mock catalogs, we explore the robustness of dust mass estimates based on mod…
On the relation of optical obscuration and X-ray absorption in Seyfert galaxies
L. Burtscher, R. I. Davies, J. Gracia-Carpio +15
The optical classification of a Seyfert galaxy and whether it is considered X-ray absorbed are often used interchangeably. But there are many borderline cases and also numerous exa…
The far-infrared emitting region in local galaxies and QSOs: Size and scaling relations
D. Lutz, S. Berta, A. Contursi +9
We use Herschel 70 to 160um images to study the size of the far-infrared emitting region in about 400 local galaxies and quasar (QSO) hosts. The sample includes normal `main-sequen…
The angular momentum distribution and baryon content of star forming galaxies at z~1-3
A. Burkert, N. M. Förster Schreiber, R. Genzel +25
We analyze the angular momenta of massive star forming galaxies (SFGs) at the peak of the cosmic star formation epoch (z~0.8-2.6). Our sample of ~360 log(M*/Msun) ~ 9.3-11.8 SFGs i…
Pinpointing the near-infrared location of Sgr A* by correcting optical distortion in the NACO imager
P. M. Plewa, S. Gillessen, F. Eisenhauer +8
Near-infrared observations of stellar orbits at the Galactic Center provide conclusive evidence for a massive black hole associated with the compact radio source Sgr A*. The astrom…
A deep Herschel/PACS observation of CO(40-39) in NGC 1068: a search for the molecular torus
A. W. Janssen, S. Bruderer, E. Sturm +14
Emission from high-J CO lines in galaxies has long been proposed as a tracer of X-ray dominated regions (XDRs) produced by AGN. Of particular interest is the question of whether th…
Insights on the Dusty Torus and Neutral Torus from Optical and X-ray Obscuration in a Complete Volume Limited Hard X-ray AGN Sample
R. Davies, L. Burtscher, D. Rosario +21
We describe a complete volume limited sample of nearby active galaxies selected by their 14-195keV luminosity, and outline its rationale for studying the mechanisms regulating gas…
Evidence for Mature Bulges and an Inside-out Quenching Phase 3 Billion Years After the Big Bang
S. Tacchella, C. M. Carollo, A. Renzini +14
Most present-day galaxies with stellar masses solar masses show no ongoing star formation and are dense spheroids. Ten billion years ago, similarly massive galaxies w…
Obscuration in AGNs: near-infrared luminosity relations and dust colors
L. Burtscher, G. Orban de Xivry, R. I. Davies +11
We combine two approaches to isolate the AGN luminosity at near-infrared wavelengths and relate the near-IR pure AGN luminosity to other tracers of the AGN. Using integral-field sp…
The GRAVITY instrument software / High-level software
Leonard Burtscher, Ekkehard Wieprecht, Thomas Ott +30
GRAVITY is the four-beam, near- infrared, AO-assisted, fringe tracking, astrometric and imaging instrument for the Very Large Telescope Interferometer (VLTI). It is requiring the d…
The GRAVITY metrology system: narrow-angle astrometry via phase-shifting interferometry
M. Lippa, N. Blind, S. Gillessen +26
The VLTI instrument GRAVITY will provide very powerful astrometry by combining the light from four telescopes for two objects simultaneously. It will measure the angular separation…