Near-infrared Polarimetry of flares from Sgr A* with Subaru/CIAO (2009)
Nishiyama, Shogo, Tamura, Motohide, Hatano, Hirofumi, Nagata, Tetsuya, Kudo, Tomoyuki, Ishii, Miki, ...
We have performed near-infrared monitoring observations of Sgr A*, the Galactic center radio source associated with a supermassive black hole, with the near-infrared camera CIAO and the 36-element...
Buchholz, Rainer M., Schödel, Rainer, Eckart, Andreas
The goals of this work are to develop a new method to separate early and late type stellar components of a dense stellar cluster based on narrow band filters, to apply it to the central parsec of the...
The nuclear star cluster of the Milky Way: Proper motions and mass (2009)
Schodel, Rainer, Merritt, David, Eckart, Andreas
Accepted for publication in Astronomy & Astrophysics.
Simultaneous NIR/sub-mm observation of flare emission from SgrA* (2008)
Eckart, Andreas, Schödel, Rainer, García-Marín, Macarena, Witzel, G., Weiss, A., Baganoff, F. K., ...
12 pages, 9 figures, 3 tables.-- In press with Astronomy & Astrophysics.
The Nuclear star cluster of the Milky Way (2008)
Schodel, Rainer, Merritt, David, Eckart, Andreas
Also archived in arXiv:0810.0204 v1 Oct 1, 2008. Proceedings from The Universe Under the Microscope - Astrophysics at High Angular Resolution", held 21-25 April 2008, in Bad Honnef, Germany
The nuclear radio structure of X-ray bright AGN (2008)
Zuther, Jens, Fischer, Sebastian, Eckart, Andreas
The physical nature of the X-ray/radio correlation of AGN is still an unsolved question. High angular resolution observations are necessary to disentangle the associated energy dynamics into nuclear...
Straubmeier, Christian, Eisenhauer, Frank, Perrin, Guy, Brandner, Wolfgang, Eckart, Andreas
GRAVITY is a 2nd generation VLTI instrument that operates in the K-band and uses up to 4 telescopes simultaneously. GRAVITY will provide interferometric astrometry of two objects in a 2 arcsecond...
The LINC-NIRVANA fringe and flexure tracking system (2008)
Bertram, Thomas, Eckart, Andreas, Lindhorst, Bettina, Rost, Steffen, Straubmeier, Christian, Tremou, Evangelia, ...
LINC-NIRVANA is the near-infrared homothetic imaging camera for the Large Binocular Telescope. Once operational, it will provide an unprecedented combination of angular resolution, sensitivity and...
Dissecting the nuclear environment of Mrk 609 with SINFONI - the starburst-AGN connection (2007)
Zuther, Jens, Fischer, Sebastian, Pott, Jörg-Uwe, Bertram, Thomas, Eckart, Andreas, Straubmeier, Christian, ...
Eckart, Andreas, Schödel, Rainer, Meyer, Leonhard, Muzic, Koraljka, Pott, Jörg-Uwe, Moultaka, Jihane, ...
Straubmeier, Christian, Bertram, Thomas, Eckart, Andreas, Rost, Steffen, Wang, Yeping, Herbst, Tom, ...
LINC-NIRVANA is the interferometric near-infrared imaging camera for the Large Binocular Telescope (LBT). Being able to observe at wavelength bands from J to K (suppported by an adaptive optics...
Interferometric observations of the galactic center: LBT and VLTI (2006)
Eckart, Andreas, Schödel, Rainer, Straubmeier, Christian, Bertram, Thomas, Pott, Jörg-Uwe, Muzic, Koraljka, ...
Current and future opportunities for interferometric observations of the Galactic Center in the near- and mid-infrared (NIR/MIR) wavelength domain are highlighted. Main emphasis is being put on the...
The LINC-NIRVANA fringe and flexure tracker: Cryo-ambient mechanical design (2006)
Bertram, Thomas, Baumeister, Harald, Laun, Werner, Straubmeier, Christian, Rost, Steffen, Wang, Yeping, ...
The correction of atmospheric differential piston and instrumental flexure effects is mandatory for interferometric operation of the LBT NIR interferometric imaging camera LINC-NIRVANA. The task of...
Eckart, Andreas, Schödel, Rainer, Meyer, Leonhard, Trippe, Sascha, Ott, Thomas, Genzel, Reinhard, ...
The galactic centre: from SINFONI to GRAVITY (2006)
Paumard, Thibaut, Eisenhauer, Frank, Genzel, Reinhard, Rabien, Sebastian, Gillessen, Stefan, Martins, Fabrice, ...
Selection of extragalactic targets for AO and VLTI observations (2005)
Zuther, Jens, Eckart, Andreas, Voges, Wolfgang, Bertram, Thomas, Straubmeier, Christian
Infrared excess sources in the galactic center stellar cluster (2005)
Eckart, Andreas, Moultaka, J., Viehmann, T., Straubmeier, C., Mouawad, N., Schödel, R., ...
Inward bound: high resolution AO observations of the galactic center (2005)
Genzel, Reinhard, Ott, Thomas, Eckart, Andreas, Schödel, Reiner, Alexander, Tal
VLTI observations of IRS 3: the brightest compact MIR source at the galactic centre (2005)
Pott, Jörg-Uwe, Eckart, Andreas, Glindemann, Andreas, Viehmann, Thomas, Schödel, Rainer, Straubmeier, Christian, ...
A sample of X-ray active extragalactic sources suitable for NIR adaptive optics observations (2004)
Zuther, Jens, Eckart, Andreas, Straubmeier, Christian, Voges, Wolfgang
Lemke, Dietrich, Hofferbert, Ralph, Grözinger, Ulrich, Rohloff, Ralf-Rainer, Böhm, Armin, Henning, Thomas, ...
The LINC-NIRVANA interferometric imager for the Large Binocular Telescope (2004)
Herbst, Tom M., Ragazzoni, Roberto, Eckart, Andreas, Weigelt, Gerd
Star close to the massive black hole at center of the Milky Way (2003)
Mouawad, Nelly, Eckart, Andreas, Pfalzner, Susanne, Straubmeier, Christian, Spurzem, Rainer, Genzel, Reinhard, ...
LINC-NIRVANA: A fizeau beam combiner for the Large Binocular Telescope (2003)
Herbst, Tom, Ragazzoni, Roberto, Andersen, David, Boehnhardt, H., Bizenberger, Peter, Eckart, Andreas, ...
Molecular outflow in the composite galaxy NGC6764 (2002)
Leon, Stephane, Eckart, Andreas, Laine, Seppo, Schinnerer, Eva
NGC 6764 is a composite galaxy exhibiting central activity (LINER) and recent massive star formation (Wolf-Rayet galaxy). We report new high-resolution interferometric data of the CO(1--0) and...
Neuhaeuser, Ralph, Guenther, Eike, Mugrauer, Markus, Ott, Thomas, Eckart, Andreas
We present JHK images of the young (~20 Myrs) nearby (~48 pc) stars HD 199143 and HD 358623 to search for (sub-)stellar companions around them. The images were obtained in JHK with the speckle camera...
Imaging and spectroscopy of DENIS-P J104814-395606 (2002)
Neuhaeuser, Ralph, Guenther, Eike, Alves, Joao, Grosso, Nicolas, Leinert, Christoph, Ratzka, Thorsten, ...
We obtained deep H- and K-band images of DENIS-P J104814-395606 using SofI and the speckle camera SHARP-I at the ESO-3.5m-NTT as well as QUIRC at the Mauna Kea 2.2m telescope between December 2000...
Direct imaging and spectroscopy of substellar companions next to young nearby stars in TWA (2002)
Neuhäuser, Ralph, Guenther, Eike, Brandner, Wolfgang, Huelamo, Nuria, Ott, Thomas, Alves, Joao, ...
Deep Submillimeter Imaging of Dust Structures in Centaurus A (2001)
Leeuw, Lerothodi L., Hawarden, Tim G., Matthews, Henry E., Robson, E. Ian, Eckart, Andreas
Images covering the central 450 by 100 arcsecond (about 8.0 by 2.0 kpc) of NGC 5128 (Centaurus A) obtained using SCUBA at 850 and 450 micron with beam sizes of 14.5 and 8 arcsecond respectively, are...
The Sgr A* Stellar Cluster: New NIR Imaging and Spectroscopy (1999)
Eckart, Andreas, Ott, Thomas, Genzel, Reinhard
We report preliminary results based on new near-infrared observations of the central stellar cluster of our Galaxy conducted with the infrared spectrometer ISAAC at the ESO VLT UT1 and the MPE...
Untersuchung der Eigenschaften extragalaktischer Radioquellen. (1984)
Münster (Westfalen), Univ., Diss., 1984 (Nicht f.d. Austausch).