What is limiting near-infrared astrometry in the Galactic Center? (2009)
Fritz, Tobias K., Gillessen, Stefan, Trippe, Sascha, Ott, Thomas, Bartko, Hendrik, Pfuhl, Oliver, ...
We systematically investigate the error sources for high-precision astrometry from adaptive optics based near-infrared imaging data. We focus on the application in the crowded stellar field in the...
Abramowski, Attila, Horns, Dieter, Gillessen, Stefan, Ripken, Joachim, Van Eldik, Christopher
Very high energy (VHE) gamma-rays have been detected from the direction of the Galactic center. The H.E.S.S. Cherenkov telescopes have located this gamma-ray source with a preliminary position...
The need for a general purpose diffraction limited imager at the VLT (2009)
Ott, Thomas, Davies, Richard, Eisenhauer, Frank, Genzel, Reinhard, Hofmann, Reiner, Gillessen, Stefan
Stellar and wind properties of massive stars in the central parsec of the Galaxy (2007)
Martins, Fabrice, Genzel, Reinhard, Eisenhauer, Frank, Paumard, Thibaut, Ott, Thomas, Trippe, Sascha, ...
Clockwise stellar disk and the dark mass in the galactic center (2006)
Beloborodov, Andrei M., Levin, Yuri, Eisenhauer, Frank, Genzel, Reinhard, Paumard, Thibaut, Gillessen, Stefan, ...
Variations in the spectral slope of Sgr A* during a NIR flare (2006)
Gillessen, Stefan, Eisenhauer, F., Quataert, E., Genzel, R., Paumard, T., Trippe, S., ...
Stellar and wind properties of massive stars in the central parsec of the galaxy (2006)
Martins, Fabrice, Genzel, Reinhard, Eisenhauer, Frank, Paumard, Thibaut, Ott, Thomas, Gillessen, Stefan, ...
The SINS survey: rotation curves and dynamical evolution of distant galaxies with SINFONI (2006)
Förster Schreiber, Natascha M., Genzel, Reinhard, Eisenhauer, Frank, Lehnert, Matthew D., Tacconi, Linda J., Nesvadba, Nicole, ...
The galactic centre: from SINFONI to GRAVITY (2006)
Paumard, Thibaut, Eisenhauer, Frank, Genzel, Reinhard, Rabien, Sebastian, Gillessen, Stefan, Martins, Fabrice, ...
Probing Post-Newtonian Gravity near the Galactic Black Hole with Stellar Doppler Measurements (2005)
Zucker, Shay, Alexander, Tal, Gillessen, Stefan, Eisenhauer, Frank, Genzel, Reinhard
Stars closely approaching the massive black hole in the center of the Galaxy provide a unique opportunity to probe post-Newtonian physics in a yet unexplored regime of celestial mechanics. Recent...
First science with SINFONI (2005)
Gillessen, Stefan, Davies, Ric, Kissler-Patig, Markus, Lehnert, Matthew, Van Der Werf, Paul, Nowak, Nina, ...
First science with SINFONI (2005)
Gillessen, Stefan, Davies, Ric, Kissler-Patig, Markus, Lehnert, Matthew, Van Der Werf, Paul, Nowak, Nina, ...
Observations of the Crab Nebula with H.E.S.S. (2005)
Masterson, Conor, Benbow, Wystan, Funk, Stefan, Gillessen, Stefan
The Crab nebula was observed with the H.E.S.S. stereoscopic Cherenkov telescope system in 2003, using three of the four telescopes. Teh data, taken at large zenith angles, show a clear signal with a...
Point Spread Function and Long-Term Stability of the H.E.S.S. Reflectors (2005)
Cornils, R., Gillessen, Stefan, Jung, Ira, Hofmann, Werner, Heinzelmann, Götz
The 107m 2 reflector of each H.E.S.S. telescope consists of 380 mirror facets with 60 cm diameter. Mirror facets are aligned by a fully automated system using stars imaged onto the lid of the...
Locating the TeV-excess from the Galactic Centre region (2005)
Gillessen, Stefan, Hinton, James, Funk, Stefan
Gamma-ray experiments using the imaging atmospheric Cherenkov technique have an angular resolution of typically better than 0.1° per event in stereoscopic mode. The centroid of a point-source...
Sub-Bogenminuten-genaue Positionen von TeV-Quellen mit H.E.S.S. (2004)
Gamma-Strahlen-Experimente, die die abbildende Cherenkov-Technik verwenden,haben eine relativ moderate Winkelaufloesung von typischerweise 0.05 Gradbis 0.1 Grad pro Ereignis. Der Schwerpunkt einer...
Sub-Bogenminuten-genaue Positionen von TeV-Quellen mit H.E.S.S. (2004)
Locating TeV sources with H.E.S.S. with sub-arcminute precision Gamma-ray experiments using the imaging atmospheric Cherenkov technique have a relatively modest angular resolution of typically 0.05...
Sub-Bogenminuten-genaue Positionen von TeV-Quellen mit H.E.S.S. / (2004)
Heidelberg, Universiẗat, Diss., 2004 (Nicht für den Austausch).
Sub-Bogenminuten-genaue Positionen von TeV-Quellen mit H.E.S.S. [Elektronische Ressource] / (2004)
Heidelberg, Universiẗat, Diss., 2004.
Sub-Bogenminuten-genaue Positionen von TeV-Quellen mit H.E.S.S. (2004)
Gamma-Strahlen-Experimente, die die abbildende Cherenkov-Technik verwenden, haben eine relativ moderate Winkelaufloesung von typischerweise 0.05 Grad bis 0.1 Grad pro Ereignis. Der Schwerpunkt einer...
Mirror alignment and optical quality of the H.E.S.S. imaging atmospheric Cherenkov telescopes (2003)
Cornils,R., Gillessen,Stefan, Jung,Ira, Hofmann,Werner, Heinzelmann,G.
Mirror alignment and optical quality of the H.E.S.S. imaging atmospheric Cherenkov telescopes (2003)
Cornils, R., Gillessen, Stefan, Jung, Ira, Hofmann, Werner, Heinzelmann, G.