Canadian very large optical telescope technical studies

2003 ◽  
Author(s):  
Scott C. Roberts ◽  
Christopher L. Morbey ◽  
Dennis R. Crabtree ◽  
Ray Carlberg ◽  
David Crampton ◽  
...  
Keyword(s):  
Optical Telescope ◽  
Technical Studies

scholarly journals The Swift Ultra-Violet/Optical Telescope

2005 ◽  
Vol 120 (3-4) ◽  
pp. 95-142 ◽  
Author(s):  
Peter W. A. Roming ◽  
Thomas E. Kennedy ◽  
Keith O. Mason ◽  
John A. Nousek ◽  
Lindy Ahr ◽  
...  
Keyword(s):  
Ultra Violet ◽  
Optical Telescope

scholarly journals ESA’s X-Ray Astronomy Mission, XMM

1990 ◽  
Vol 123 ◽  
pp. 129-140
Author(s):  
B.G. Taylor ◽  
A. Peacock
Keyword(s):  
Resolving Power ◽  
Science Program ◽  
Eccentric Orbit ◽  
Ccd Cameras ◽  
Optical Telescope ◽  
X Ray ◽  
Medium Resolution ◽  
Reflection Gratings ◽  
Better Than

AbstractESA’s X-ray Astronomy Mission, XMM, scheduled for launch in 1998, is the second of four cornerstones of ESA’s long term science program Horizon 2000. Covering the range from about 0.1 to 10 keV, it will provide a high throughput of 5000 cm2 at 7 keV with three independant telescopes, and have a spatial resolution better than 30 arcsec. Broadband spectrophotometry is provided by CCD cameras while reflection gratings provide medium resolution spectroscopy (resolving power of about 400) in the range 0.3–3 keV. Long uninterrupted observations will be made from the 24 hr period, highly eccentric orbit, reaching a sensitivity approaching 10−15 erg cm−2 s−1 in one orbit. A 30 cm UV/optical telescope is bore-sighted with the x-ray telescopes to provide simultaneous optical counterparts to the numerous serendipitous X-ray sources which will be detected during every observation.

Perspectives on primary mirror figure control for a space-based optical telescope

2000 ◽  
Author(s):  
Douglas C. Neam ◽  
Paul A. Lightsey ◽  
James H. Crocker
Keyword(s):  
Optical Telescope ◽  
Primary Mirror

Application of carbon-carbon composite for load-carrying cylinder in lunar optical telescope

2011 ◽  
Author(s):  
Fu Li ◽  
Ping Ruan ◽  
Ting Li ◽  
Gang-zhou Xu ◽  
Di Lu ◽  
...  
Keyword(s):  
Carbon Composite ◽  
Optical Telescope ◽  
Load Carrying

scholarly journals Joint Discussion 4 UV astronomy: stars from birth to death

2006 ◽  
Vol 2 (14) ◽  
pp. 169-194
Author(s):  
Ana I. Gómez de Castro ◽  
Martin A. Barstow
Keyword(s):  
High Resolution ◽  
Uv Spectroscopy ◽  
Broad Band ◽  
Mission Planning ◽  
High Resolution Spectroscopy ◽  
Low Resolution ◽  
Short Term ◽  
Uv Astronomy ◽  
Optical Telescope ◽  
The Moment

AbstractThe scientific program is presented as well a the abstracts of the contributions. An extended account is published in “The Ultraviolet Universe: stars from birth to death” (Ed. Gómez de Castro) published by the Editorial Complutense de Madrid (UCM), that can be accessed by electronic format through the website of the Network for UV Astronomy (www.ucm.es/info/nuva).There are five telescopes currently in orbit that have a UV capability of some description. At the moment, only FUSE provides any medium- to high-resolution spectroscopic capability. GALEX, the XMM UV-Optical Telescope (UVOT) and the Swift. UVOT mainly delivers broad-band imaging, but with some low-resolution spectroscopy using grisms. The primary UV spectroscopic capability of HST was lost when the Space Telescope Imaging Spectrograph failed in 2004, but UV imaging is still available with the HST-WFPC2 and HST-ACS instruments.With the expected limited lifetime of sl FUSE, UV spectroscopy will be effectively unavailable in the short-term future. Even if a servicing mission of HST does go ahead, to install COS and repair STIS, the availability of high-resolution spectroscopy well into the next decade will not have been addressed. Therefore, it is important to develop new missions to complement and follow on from the legacy of FUSE and HST, as well as the smaller imaging/low resolution spectroscopy facilities. This contribution presents an outline of the UV projects, some of which are already approved for flight, while others are still at the proposal/study stage of their development.This contribution outlines the main results from Joint Discussion 04 held during the IAU General Assembly in Prague, August 2006, concerning the rationale behind the needs of the astronomical community, in particular the stellar astrophysics community, for new UV instrumentation. Recent results from UV observations were presented and future science goals were laid out. These goals will lay the framework for future mission planning.

Optical telescope drive system modeling

1995 ◽  
Author(s):  
Dario Mancini ◽  
Enrico Cascone
Keyword(s):  
System Modeling ◽  
Drive System ◽  
Optical Telescope
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