Results 71 to 80 of about 6,989,374 (162)

Optimising the NAOMI adaptive optics real-time control system [PDF]

, 2008
This thesis describes the author's research in the field of Real-Time Control (RTC) for Adaptive Optics (AO) instrumentation. The research encompasses experiences and knowledge gained working in the area of RTC on astronomical instrumentation projects ...
Goodsell, S. J., Goodsell, S J
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The balloon-borne large aperture submillimeter telescope (BLAST) 2005: calibration and targeted sources [PDF]

, 2008
The Balloon-borne Large Aperture Submillimeter Telescope (BLAST) operated successfully during a 100 hr flight from northern Sweden in 2005 June (BLAST05).
David Hughes
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The balloon-borne large aperture submillimeter telescope (BLAST) 2006: calibration and flight performance [PDF]

, 2009
The Balloon-borne Large Aperture Submillimeter Telescope (BLAST) operated successfully during a 250 hr flight over Antarctica in 2006 December (BLAST06).
David Hughes
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Large Synoptic Survey Telescope: From Science Drivers To Reference Design [PDF]

Serbian Astronomical Journal, 2008
In the history of astronomy, major advances in our understanding of the Universe have come from dramatic improvements in our ability to accurately measure astronomical quantities. Aided by rapid progress in information technology, current sky surveys are
Ivezić, Ž., Axelrod, T., Brandt, W. N., Burke, D. L., Claver, C. F., Connolly, A., Cook, K. H., Gee, P., Gilmore, D. K., Jacoby, S. H., Jones, R. L., Kahn, S. M., Kantor, J. P.;, Krabbendam, V., Lupton, R. H., Monet, D. G., Pinto, P. A., Saha, A., Schalk, T. L., Schneider, D. P., Strauss, M. A., Stubbs, C. W., Sweeney, D., Szalay, A., Thaler, J. J., Tyson, J. A.   +25 more
doaj  

Fresh Accretion Event in the Spiral Galaxy ESO 119-055

The Astronomical Journal
Through long-slit spectral observations of the early type disk galaxy ESO 119-055 and archival panoramic spectroscopy data, we studied the kinematics, excitation, and oxygen abundance of the ionized gas in the outer disk of the galaxy.
Olga K. Sil’chenko, Alexei Yu. Kniazev
doaj   +1 more source

Large resolution-weighted étendue space telescope designs categorized by tertiary mirror location diversity

Journal of the European Optical Society-Rapid Publications
Modern observational astronomy makes extensive use of deep, wide-field imaging and large spectroscopic surveys, defining telescope design spaces in which angular resolution, achievable depth, and survey efficiency are considered jointly rather than ...
Cho Hyejeon, Park Hyosun, Jee M. James, Kim Daewook   +3 more
doaj   +1 more source

The Hubble Telescope

, 2012
A Liverpool John Moores University resource - Dr Robert Fosbury Discusses the past two decades of the Hubble ...
Liverpool John Moores University, Robert Fosbury   +1 more
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Scientific preparation for JRT: Wind pressure prediction model for large radio telescope based on real data from multi-sensors

Heliyon
Jingdong 120-meter radio telescope (JRT) is poised to become the world's largest single-aperture fully steerable medium-low frequency radio telescope.
Rui Wu, Zhong Cao, Feng Wang, Rui Rao, Yuxiang Huang, Ruifeng Hu   +5 more
doaj   +1 more source

Characterization of Wind Loading of the Large Radio Telescope

This paper describes numerical simulations of windloads on the large parabolic reflector antenna RT-32 with a diameter of 32 m and a methodology of how calculated wind pressure can be transferred to beam-based digital model.
Upnere, Sabine, Jekabsons, Normunds, Joffe, Roberts   +2 more
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Wavefront Coherence Stabilization for Large Segmented Telescope: Measurement and Control

Photonics
Large-aperture optical synthetic aperture technology, by combining multiple aperture units, breaks through the limitations of a single reflector and has become the preferred system for extending the resolution and diffraction limit of imaging systems. In
Wuyang Wang, Qichang An, Xiaoxia Wu
doaj   +1 more source