... HST . ... HST Overview . ... 26 Jun 2015 ISR 15-06 by V. Kozhurina-Platais "ACS/WFC Revised Geometric Distortion for DrizzlePac" is now posted. 23 Jun 2015 ISR 15-03 by S. Ogaz "Post-Flash Calibration Darks for the Advanced Camera for Surveys Wide Field Channel (ACS/WFC)" is now posted. ... 07 Apr 2015 New and improved post-flashed superdark files for ACS/WFC are available in the archive. ... 12 Mar 2015 ISR 15-02 by D. Borncamp "Results of the Updated ACS/WFC Distortion Correction" is now posted. ...

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• Imaging Performance of HST Compared to Future Ground-Based Adaptive Optics
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... Science . ... Science Users Information > Science and Technical Meetings > Conferences 2009 > MAD and Beyond: Science with Multi-Conjugate Adaptive Optics Instruments . ... ESO Data . ... The "MAD and Beyond" workshop is aimed at bringing together scientists that have worked or are working on MAD data to compare results, data analysis techniques, and common problems, and also scientists and engineers involved in the development of the next generation of multi-conjugate adaptive optics instruments. ...

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... GSAOI Home . Instrument . ... The Gemini South Adaptive Optics Imager (GSAOI) is a near-infrared adaptive optics camera that will be used with the Multi-Conjugate Adaptive Optics (MCAO) system on the Gemini South 8-m telescope . ... Gemini's major instrumentation goal is to develop its Multi-Conjugate Adaptive Optics (MCAO) system for scientific use on Gemini South. ... Existing adaptive optics systems use a single natural guide star or artifical laser guide star to measure this image blur. ...

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... Stellar Evolution is driven entirely by the never ending battle between Pressure and Gravity . As imbalances are reached, the star is driven to find a new Energy source. ... Pressure and gravitational forces are equal, the star is stable and its core is sufficiently hot to fuse Hydrogen into Helium More about main sequence stars . ... The luminosity generated by the core fusion of Helium into Carbon is far greater than the shell luminosity associated with the fusion of Hydrogen into Helium. ...

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• Astronomy HyperText Book: Interstellar Medium

Next: The ESO VLT CCD Detectors Software . ... Up: Instrument-Specific Software . ... The framework for data calibration and analysis of the VLT instrumentation is presented, based on the concepts of a calibration plan, pipeline calibration, quality control, and archiving of calibrated data for a ground-based observatory. ... Quality Control Pipeline provides quality assessment for instrument performance data and observing conditions, and tests the results of the Reduction Pipeline. ...

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STEP INTO THE BLUE - MEADE INSTRUMENTS PRODUCT GUIDE . ... Telescopes . LX850 Series . ... Superb optical performance coupled with time proven computerized pointing and tracking has made the LX200 ACF series a best-seller in the high-performance telescope class. ... Meade's revolutionary LS LightSwitchтДв series of telescopes use advanced technologies to do what no other consumer telescopes have done before: take all the hassle out of using a telescope. ... Coronado€о Solar . ... Spotting Scopes . ...

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... user-defined data file formats . ... better integration with a user's analysis routines To add such functionality to SAOimage, we developed the XPA Messaging System that allows X programs to define points of public access through which data and commands can be exchanged with external programs. ... We have utilized XPA to develop "SAOimage: The Next Generation" (SAOtng), an extensible image display service that can cooperate with other processes and programs. ... SAOtng help pages . ...

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... Meta Index / Home Page This section documents warnings and errors generated by this task (if any). ... error . ... The instrument recorded in the source list header keyword INSTRUME is not the same as that derived from the value of the instexpid parameter. corrective action: The task uses the value from the source list header. expIdStrClash . ... If clobberonlabel =no, this condition causes the task to fail with an error. corrective action: New source is not appended to the source list. outsideFOV ....

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Next: Research Up: Heritage Previous: Buildings Contents . The policy of the Armagh Observatory is to preserve and progressively restore the historic instruments, buildings and telescopes for future generations, and where possible make them available for display to visitors and the general public. In future years, subject to available funding, the Observatory plans to: . construct a new archive and historic instrument repository including an extension of the Library and Library Annex; . ...

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... Earth Satellites . ... Image Dan Burbank and Anton Shkaplero making music onboard the ISS (Image credit: NASA) . The first occurrence of music being made in space was during the Gemini 6 mission in 1965. ... Since then many astronauts have brought instruments into space with them, including many crews onboard the International Space Station. ... The Gemini astronauts were treated to some musical interludes during their times in space but not specifically to wake them in the morning. ...

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IBIS First Light - June 2003 . ... Solar Group . ... IBIS Installation Team (from L to R): . ... The scan shows the change in structures as we look at different heights in the solar atmosphere (both within a single spectral line and between lines). ... This movie shows an example of an IBIS sequence made up of scans through three different spectral lines in the solar atmosphere. The round image at the top shows the full field of view of IBIS, which has a diameter of 80 arcseconds. ...

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... Astrophysics Group . Graduate Research Opportunities 2016 . Available research projects/areas . ... Astrophysics Admissions Form . ... This includes active participation in the development of new instruments as well as the use of ground and space observatories. ... Further details are available at the following web site: http://www.mrao.cam.ac.uk/research/extragalactic-group-2/ . ... Our research group has a wide range of expertise in the development of receivers for radio astronomy. ...

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... Apache HTTP Server Version 2.2 . Apache > HTTP Server > Documentation > Version 2.2 > Programs . Available Languages: en . httxt2dbm is used to generate dbm files from text input, for use in RewriteMap with the dbm map type. ... httxt2dbm [ - v ] [ - f DBM_TYPE ] - i SOURCE_TXT - o OUTPUT_DBM . ... Specify the DBM type to be used for the output. ... Name of the output dbm files. httxt2dbm -i rewritemap.txt -o rewritemap.dbm . httxt2dbm -f SDBM -i rewritemap.txt -o rewritemap.dbm . ...

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Go to the previous , next section. ... Define the plot device you want to use with the device command. ... Declare the data file with the data command, see section How should I get data into SM? , or you could see section 'Data' in The SM Manual . ... If you want to plot points, you should first define the point style with the ptype command. ptype allows you to define the point as a type of polygon, with any number of sides, and 4 basic forms (see section 'Ptype' in The SM Manual ). ...

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... Donate to Support Science Literacy . ... 2016 Annual Awards . The ASP is accepting nominations for the organizationтАЩs national annual awards which recognize special achievements in astronomy research, technology, education, and public outreach. ... Shop the AstroShop . ... The Astronomical Society of the Pacific (ASP) is accepting nominations for the organizationтАЩs national annual awards which recognize special achievements in astronomy research, technology, education, and public outreach.. ...

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SAI 175 anniversary . ... Moscow University . Search for in SAI Moscow University Search for in Russian astronomical resources . ... SAI Astronomical Databases . ... Browse SAI Software archive(ftp.sai.msu.su) . ASTRONET.RU - Russian Astronomical Network (available in translit also) . ... SAI Supernovae Research Group . ... Department of the Galaxy and Variable Stars (in Russian) . Sternberg Astronomical Institute Seminars . ... All-Russian Astronomical Olympiad (in Russian) . ...

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... The properties of the currently available receivers are given in Table 3 . The columns of the table give the receiver name, frequency range, the typical System Temperature (T ), Gain, System Equivalent Flux Density (SEFD) and Half Power Beamwidth (HPBW) for zenith angles below 15 (as measured by Arecibo staff.) ... Full details of the ALFA observing system, its performance, how to join an ALFA Consortium, and the latest ALFA news is to be found via, http://www.naic.edu/alfa/ . ...

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... Design of Imaging Optics . Analyzing Optics . ... The high resolution near infrared camera (CONICA) for the first VLT unit telescope is under development. It serves as a multi-mode instrument for the wavelength region between 1.0 and 5.0 microns, providing diffraction-limited spatial resolution when combined with the adaptive optic system NAOS of the VLT (Rosset et al. ... VLT instrumentation, ALADDIN InSb detector, NIR imaging, NIR spectroscopy, re-imaging optics, IR optics . ...

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... Next-generation adaptive optics brings remarkable details to light in stellar nursery . Gemini Observatoryт??s most advanced adaptive optics system will help astronomers study the universe with an unprecedented level of clarity and detail by removing distortions due to Earthт??s atmosphere. ... The wakes span much greater distances than the bullets, measuring as much as a fifth of a light-year in length. ... Only registered members of Astronomy.com are allowed to comment on this article. ...

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• Gemini Observatory's revolutionary instrument propels astronomical imaging to
• New camera for detecting exoplanets | Astronomy.com

A problem, that can arise when moving from Fortran 77 to Fortran 90, is dependent on a usual deviation from the standard, and has to do especially with user programs. ... With many Fortran 77 implementations we wrote PROGRAM TEST REAL X WRITE(*,10) 10 FORMAT('Give X = ',$) READ(*,*) X WRITE(*,*) X END In Fortran 90 we use "non-advancing I/O" instead. ... In some old Fortran dialects the statement TYPE was used to write on a typewriter terminal and PRINT was used to write on the line printer. ...

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• Fortran 90 texts and links
• Image: IMG 1380
• Image: IMG 1390