نتایج جستجو برای: astronomical telescope

تعداد نتایج: 27854  

Journal: :CoRR 2016
Yan Guillaume Grange Kevin Vinsen Juan Carlos Guzman José Alfredo Parra Jan David Mol Rosly Renil Christoper Schollar

The previous generation of astronomical instruments tended to consist of single receivers in the focal point of one or more physical reflectors. Because of this, most astronomical data sets were small enough that the raw data could easily be downloaded and processed on a single machine. In the last decade, several large, complex Radio Astronomy instruments have been built and the SKA is current...

2009
Sahar Allam

Susana E. Deustua – Space Telescope Science Institute J. Allyn Smith – Austin Peay State University Saul Adelman – The Citadel Sahar Allam – Fermi National Accelerator Laboratory Brian Baptista – Indiana University Ralph C. Bohlin – Space Telescope Science Institute James L. Clem – Louisiana State University Alex Conley – University of Colorado Jerry Edelstein – Space Sciences Laboratory Jay El...

Journal: :Journal of Astrophysics and Astronomy 2023

TIFR Near Infrared Imaging Camera-II (TIRCAM2) is being used at the 3.6-m Devasthal Optical Telescope (DOT) operated by Aryabhatta Research Institute of Observational Sciences (ARIES), Nainital, Uttarakhand, India. Earlier, TIRCAM2 was main port DOT on time-shared basis. It has now been installed side telescope. Side installation allows near simultaneous observations with instrument as well lon...

2009
Michael Hart N. Mark Milton Christoph Baranec Thomas Stalcup Keith Powell Eduardo Bendek Don McCarthy Craig Kulesa

We report closed-loop results obtained from the first adaptive optics system to deploy multiple laser guide beacons. The system is mounted on the 6.5 m MMT telescope in Arizona, and is designed to explore advanced altitude-conjugated techniques for wide-field image compensation. Five beacons are made by Rayleigh scattering of laser beams at 532 nm integrated over a range from 20 to 29 km by dyn...

2009
Michael Hart N. Mark Milton Keith Powell Christoph Baranec Thomas Stalcup Eduardo Bendek Don McCarthy Craig Kulesa

We report closed-loop results obtained from the first adaptive optics system to deploy multiple laser guide beacons. The system is mounted on the 6.5 m MMT telescope in Arizona, and is designed to explore advanced altitudeconjugated techniques for wide-field image compensation. Five beacons are made by Rayleigh scattering of laser beams at 532 nm integrated over a range from 20 to 29 km by dyna...

2009
Mark Bentum Chris Verhoeven Albert-Jan Boonstra

New interesting astronomical science drivers for very low frequency radio astronomy have emerged, ranging from studies of the astronomical dark ages, the epoch of reionization, exoplanets, to ultra-high energy cosmic rays. Huge efforts are currently made to establish low frequency Earthbound instruments, since today’s technology is able to support this. However, astronomical observations with E...

2004
D. Bastieri N. Galante M. Gaug M. Garczarczyk F. Longo L. Peruzzo

— The MAGIC Telescope, now taking data with an energy threshold well below 100 GeV, will soon be able to take full advantage of the fast slewing capability of its altazimuthal mount. Exploiting the link with the GCN network, the MAGIC Telescope could be one of the first ground-based experiments able to see the prompt emission of Gamma Ray Bursts in the few tens of GeV region. PACS 95.55.Ka – X-...

انواری, عباس, بهمن‌آبادی, محمود, خاکیان, مهدی, دهقانی, محمد, صمیمی, جلال, میرکاظمی, مهدی, هدایتی, هادی,

A cosmic ray tracking telescope has been made for the measurement of cosmic rays from different directions, especially those received from the sun direction. Our observations by the telescope shows a noticeable deficiency in the detected number of cosmic rays entering the telescope when its axis was pointing to the sun compared to that entering the telescope with no sun in its field of view. Th...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده فیزیک 1387

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