... Bojan Nikolic web pages (r. 329) . ... Atmospheric Modelling for ALMA . This is also a very simple program (sharing some code with dispersive ) to compute the atmospheric absorption due to dry and wet components of the atmosphere. ... Invoking the help option: ./absorption --help Compute absorption by the atmosphere This program is part of AATM version 0.09 GPL license -- you have the right to the source code. ... Computing atmospheric absorption with AATM . ...

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• Bojan Nikolic -- ALMA Memo 590: Atmospheric dispersion and the implications for
• Computing dispersive atmospheric delay with AATM Bojan Nikolic web pages (r.
• Simulating Atmospheric Phase Errors, Phase Correction and the Impact on ALMA

... Tonight's Sky . ... The Magazine . News . Observing . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Open cluster NGC 2818, spiral galaxy NGC 2964, and spiral galaxy NGC 2976 . ... Astronomy for Kids . ... atmospheric phenomena . ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ... Astronomy Magazine . ...

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• MAVEN measures Marsт?? atmospheric loss | Astronomy.com
• New technique measures mass of exoplanets | Astronomy.com
• Curiosity rover provides clues to changes in martian atmosphere | Astronomy.com

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• Commonwealth Observatory, 1949
• Instrumentation Links.
• Gemini Project Links.

... Basic algorithms for the production of stellar photometry from CCD observations are described and reviewed. ... The problem of doing accurate stellar photometry with calibrated charge-coupled device (CCD) data amounts to that of condensing the intensity values of hundreds, thousands, or even millions of picture elements (pixels) into a list containing the magnitude and position of each star on the CCD image. ... Center an aperture of N A pixels on the star. ... PIXEL.LT.PEAKMAX)) THEN BINGO = .TRUE....

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• Java, Image Browsing, and the NCSA Astronomy Digital Image Library
• The NCSA Horizon Image Data Browser: a Java Package Supporting Scientific...
• Physical Modeling of Scientific Instruments

... Media Files . ... There are media files (ppt, pdf of presentations shared by authors) on this page. ... Alexander Gusev (SAI), Boris Artamonov (SAI) . ... Maidanak Observatory by AZT-22 1.5m telescope observations (poster) . PDF [2.3€аMB] . ... PDF [692.6€аKB] . ... PDF [704.7€аKB] . ... Some results after 10 years of site testing at Concordia . ... Giant Magellan telescope site testing summary (poster) . ... Peter Scheglov - pioneer of site testing in the Central Asia (poster) . ...

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... CoordConv is written in C++ and Python, using SWIG as the C++ wrapper. ... In Python the following will convert an FK5 J2000 position to apparent topocentric coordinates at a specified TAI date: import coordConv taiDate = 4916391905 # TAI date in MJD, seconds site = coordConv . Site (-105.822616, 32.780988, 2788) # Apache Point Observatory 3.5m telescope # For better accuracy you may also specify UT1- TAI and pole wander in site ; # these may be obtained from IERS Bulletin B fk5Sys = ...

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• Focus sweep data
• lsst.coordConv: coordConv::ObsCoordSys Class Reference
• TCC User's Guide