Vibration measurements at the Large Binocular Telescope (LBT) (2008)
Brix, M., Naranjo, V., Beckmann, U., Bertram, R., Bertram, T., Brynnel, J., ...
The Large Binocular Telescope (LBT) is an international collaboration, with partners from the United States, Italy, and Germany. The telescope uses two 8.4-meter diameter primary mirrors to produce...
A template based SOA developer framework (2008)
Berwein, J., Briegel, F., Gaessler, W., Kittmann, F.
We present a new and flexible developer framework for high performance SOA based systems, using the middleware called ICE by ZeroC Inc. for interprocess communication. The framework was developed at...
Layer-Oriented MCAO projects for 8-m class telescopes and possible scientific outcome (2007)
Lombini, M., Ragazzoni, R., Arcidiacono, C., Baruffolo, A., Cresci, G., Diolaiti, E., ...
Four projects exploiting Multi Conjugate Adaptive Optics with Layer-Oriented wavefront sensing technique are being developed by our group in this period. The purpose of these projects is, in some...
Goto, Miwa, Kwok, Sun, Takami, Hideki, Hayashi, Masa, Gaessler, W., Hayano, Yutaka, ...
We present 3 mum spectroscopy of the carbon-rich protoplanetary nebulae IRAS 04296+3429 and IRAS 05341+0852, conducted with the adaptive optics system at the Subaru Telescope. We utilize the nearly...
Fizeau interferometry with the LBT astronomy on the way to ELTs (2007)
Gaessler, W., Herbst, T. M., Ragazzoni, R., Eckart, A., Weigelt, G.
The Large Binocular Telescope (LBT) consists of two 8.4 m mirrors on one mechanical mounting, with a center to center separation of 14.4 m. In the combined, focus the LBT provides the spatial...
Egner, S. E., Gaessler, W., Herbst, T. M., Ragazzoni, R.
Turbulence in Earth's atmosphere severely limits the achievable image quality of ground-based optical telescopes. With the technique of adaptive optics, the induced distortions of the light can be...
Goto, M., Kwok, Sun, Takami, H., Hayashi, M., Gaessler, W., Hayano, Y., ...
We present 3 um spectroscopy of the carbon-rich proto-planetary nebulae IRAS 04296+3429 and IRAS 05341+0852 conducted with the adaptive optics system at the Subaru Telescope. We utilize the nearly...
Multiconjugated adaptive optics for ELTs: an enhancement of the PIGS setup (2006)
Meyer, E., Gaessler, W., Kellner, S. A., Diolaiti, E., Egner, S., Ragazzoni, R., ...
ELTs depend on Adaptive Optics (AO) to reach the diffraction limit. To achieve sufficient sky coverage with AO, several Laser Guide Stars (LGS) will be needed, but the finite distance of the LGSs...
G-SCIDAR measurements on Mt. Graham: recent results (2006)
Egner, Sebastian E., Masciadri, Elena, McKenna, Dan, Herbst, T. M., Gaessler, W.
We present recent results of the atmospheric turbulence measured with a Generalized SCIDAR at Mt. Graham, running for 16 nights in 2004 and 2005 at the focus of the VATT Telescope. The principle of...
Status progress of AdOpt@TNG and offer to the international astronomical community (2006)
Cecconi, M., Ghedina, A., Bagnara, P., Baruffolo, A., Carmona Rodriguez, C. J., Cresci, G., ...
The Adaptive Optics Module of the Telescopio Nazionale Galileo (AdOpt@TNG) has enjoyed a huge refurbishment. A new WaveFront Sensing CCD (EEV39 80x80pixels by SciMeasure) has been mounted, allowing...
LINC-NIRVANA : MCAO toward extremely large telescopes (2005)
Gaessler, W., Arcidiacono, C., Egner, S., Herbst, T. M., Andersen, D., Baumeister, H., ...
H$_2$ Emission Nebulosity Associated with KH 15D (2004)
Tokunaga, A. T., Dahm, S., Gaessler, W., Hayano, Yutaka, Hayashi, Masahiko, Iye, Masanori, ...
An H$_2$ emission filament is found in close proximity to the unique object KH 15D using the adaptive optics system of the Subaru Telescope. The morphology of the filament, the presence of...
H2 emission nebulosity associated with KH 15D (2004)
Tokunaga, A. T., Dahm, S., Gaessler, W., Hayano, Yutaka, Hayashi, Masahiko, Iye, Masanori, ...
An H2 emission filament is found in close proximity to the unique object KH 15D using the adaptive optics system of the Subaru Telescope. The morphology of the filament, the presence of spectroscopic...
A subarcsecond companion to the T Tauri star AS 353B (2004)
Tokunaga, A. T., Reipurth, Bo, Gaessler, W., Hayano, Yutaka, Hayashi, Masahiko, Iye, Masanori, ...
Adaptive optics imaging of the bright visual T Tauri binary AS 353 with the Subaru Telescope shows that it is a hierarchical triple system. The secondary component, located 5.6" south of AS 353A, is...
A Subarcsecond Companion to the T Tauri Star AS 353B (2003)
Tokunaga, A. T., Reipurth, Bo, Gaessler, W., Hayano, Yutaka, Hayashi, Masahiko, Iye, Masanori, ...
Adaptive optics imaging of the bright visual T Tauri binary AS 353 with the Subaru Telescope shows that it is a hierarchical triple system. The secondary component, located 5.6" south of AS 353A, is...
Lack of observational evidence for quantum structure of space-time at Plank scales (2003)
Ragazzoni, R., Turatto, M., Gaessler, W.
It has been noted (Lieu & Hillmann, 2002) that the cumulative affect of Planck-scale phenomenology, or the structure of space-time at extremely small scales, can be lead to the loss of phase of...
Goto, M., Gaessler, W., Hayano, Y., Iye, M., Kamata, Y., Kanzawa, T., ...
We present medium-resolution 3 um spectroscopy of the carbon-rich proto-planetary nebula IRAS 22272+5435. Spectroscopy with the Subaru Telescope adaptive optics system revealed a spatial variation of...
Characterization of STARDUST target comet 81P/Wild 2 from 1996 to 1998 (2003)
Schulz, R., Stüwe, J.A., Boehnhardt, H., Gaessler, W., Tozzi, G.P.
Goto, Miwa, Gaessler, W., Hayano, Yutaka, Iye, Masanori, Kamata, Yukiko, Kanzawa, Tomio, ...
We present medium-resolution 3 µm spectroscopy of the carbon-rich proto-planetary nebula IRAS 22272+5435. Spectroscopy with the Subaru Telescope adaptive optics system revealed a spatial variation...
Goto, Miwa, Usuda, Tomonori, Takato, Naruhisa, Hayashi, Masa, Sakamoto, Seiichi, Gaessler, W., ...
We report the carbon monoxide isotope ratio in local molecular clouds toward LkH**alpha; 101, AFGL 490, and Mon R2 IRS 3. The vibrational transition bands of 12CO **nu;=2**lt;--0 and 13CO...
Hayano, Y., Iye, M., Takami, H., Takato, N., Gaessler, W., Minowa, Y., ...
The scattered light from the sodium laser beam projected from the Keck II telescope during their laser guide star experiment campaign conducted at the end of 2001 was measured using the Subaru...
Characterization of stardust target comet 81P/Wild 2 from 1996 to 1998 (2003)
Schulz, R., Stüwe, J. A., Boehnhardt, H., Gaessler, W., Tozzi, G. P.
We present the results of our monitoring of comet 81P/Wild 2, the target of the STARDUST mission. Broad-band filter images and medium resolution spectra of this comet obtained along its pre- and...
Layer-oriented MCAO projects and experiments: An update (2003)
Ragazzoni, Roberto, Soci, Roberto, Arcidiacono, Carmelo, Baruffolo, Andrea, Baumeister, Harald, Bisson, Raffaella, ...
LINC-NIRVANA: A fizeau beam combiner for the Large Binocular Telescope (2003)
Herbst, Tom, Ragazzoni, Roberto, Andersen, David, Boehnhardt, H., Bizenberger, Peter, Eckart, Andreas, ...
Near-infrared adaptive optics spectroscopy of binary brown dwarf HD 130948B and HD 130948C (2003)
Goto, M., Tokunaga, A. T., Cushing, M., Potter, D., Kobayashi, N., Takami, H., ...
Spatially resolved 3 µm spectroscopy of IRAS 22272+5435 (2003)
Goto, Miwa, Gaessler, W., Kanzawa, Tomio, Kobayashi, Naoto, Takami, Hideki, Takato, Naruhisa, ...
Characterization of STARDUST target comet 81P/Wild 2 from 1996 to 1998 (2003)
Schulz, R., Stüwe, J.A., Boehnhardt, H., Gaessler, W., Tozzi, G.P.
Near-Infrared Adaptive Optics Spectroscopy of Binary Brown Dwarf HD 130948B and C (2002)
Goto, M., Kobayashi, N., Terada, H., Gaessler, W., Kanzawa, T., Takami, H., ...
We present near-infrared spectroscopy of low-mass companions in a nearby triple system HD 130948 (Gliese 564, HR 5534). Adaptive optics on the Subaru Telescope allowed spectroscopy of the individual...
Dietrich, M, Peterson, B. M, Albrecht, P, Altmann, M, Barth, A. J, Bennie, P. J, ...
Results of a ground-based optical monitoring campaign on 3C 390.3 in 1994-1995 are presented. The broadband fluxes (B, V, R, and I), the spectrophotometric optical continuum flux F lambda (5177 A),...