Trace: q3c-2011 . ... SAI VO Projects . ... Help on Wiki search . ... Title: Efficiently handling spherical data in Postgres . ... Abstract: Spherical data appear in a lot of problems in modern science and technology, ranging from geoinformational systems to astronomical catalogues. Efficient handling of such data in Postgres is necessary, and Postgres do have support for it, though not in core, through its ability to define fully indexable custom data types and functional indices. ... SAI VO | ...

... Previous: Ground Tracking Station (GTS) Products . ... GRT Log File . ... GRT Gain Curves . ... What: Co-observing GRTs will each generate a log file identical to those for ground-based VLBI experiments. ... Where: Files are placed by GRTs on their regional server ( Regional Servers for GRT logs etc ) in the sub-directory named for the month and year (e.g. may97 ) below the sub-directory named gps . ... Where: Files are placed by GRTs on their regional server ( Regional Servers for GRT logs etc ). ...

... To address the problem of point-source photometry in restored images Lucy (1994) suggested a two-channel photometric restoration method in which the points are represented as functions in one channel and the background, constrained to be smooth by an additional entropy constraint, in the other. ... In the new CPLUCY implementation the stars can be at arbitrary x , y sub-pixel positions but the entropy constraint on the background, used by PLUCY, is retained. ...

XXVIII General Assembly of the IAU, SPS15 Beijing, August 31, 2012 . N.N. Samus, S.V. Antipin "Variable Stars and Data-Intensive Astronomy" . During the 26th IAU General Assembly in Prague, the IAU Division V (Commissions 27 and 42) considered the future of variable-star catalogues. ... To discuss these problems and to look for their solutions, the IAU Commission 27, on behalf of the IAU Division V, created an informal working group, chaired by the GCVS editor, Dr. Nikolai Samus. ...

... Home Articles Amateur Telescope Making . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... The project of making a 17-1/2 inch telescope was made possible only with the help of many other people, most of whom are part of the€а Amateur Astronomers Association . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

... Years of foundation of the Institute: . ... Cosmic ray station of the Yakut Scientific Research Base of the USSR Academy of Sciences . ... Institute of Cosmophysical Research and Aeronomy of the Siberian Branch of the USSR Academy of Sciences . ... Institute of Cosmophysical Research and Aeronomy of the Siberian Branch of the Russian Academy of Sciences. ... Yu.G.Shafer Institute of Cosmophysical Research and Aeronomy of the Siberian Branch of the Russian Academy of Sciences . ...