... Liyong Liu (NAOC) . Site testing on seeing conditions of the astronomical observatories over China are briefly reviewed, including Xionglong station of NAOC, Gaomeigu station of Yunnan Observatory, Delingha station of Purple Mountain Observatory. ... PDF [3.0€аMB] October 8, 09:55 10:20 . ... In this paper, we will review the site survey activities in the past years, and present the site-testing results on the Oma site, including cloud cover, seeing, water vapor, transparency and sky brightness. ...

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Interaction of the Supernova Remnant S 147 . ... Based on RATAN-600 21-cm HI line observations with an angular resolution of 2.4', we study the neutral-hydrogen distribution in the region of the supernova remnant ( SNR ) S 147 ( G180.0-1.7 ). ... FIGURE CAPTIONS . ... The distribution of HI emission features in the vicinity of S 147 after the subtraction of the extended background. ... The distribution of HI emission features, as constructed from the survey data by Westerhout and Wendlandt ( 1982 ). ...

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• Principal scientific results
• Results scientific researchs 16
• Results scientific researchs 8

... ESO, the European Southern Observatory . ... Travel and Contacts . Travel to ESO Headquarters . ... ESO . ... Survey Telescopes . ... ESO Supernova . ... Star Clusters . ... Stars@ESO . ... ESO 3.6-metre telescope . ... MPG/ESO 2.2-metre telescope . ... ESO 1-metre Schmidt telescope . ... Future Projects . ... This NASA/ESA Hubble Space Telescope image shows the positions of the past, present and predicted future appearances of the Refsdal supernova behind the galaxy cluster€а MACS J1149+2223 . ...

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• ESO - ALMA Cycle 3 User Survey Results
• ESO - Release of Photometric Catalogue Data Resulting from the VISTA Magellanic
• ESO - Results of the User Support Department Feedback Campaign

... Tonight's Sky . ... Observing . ... Sky this Month . ... 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 . ... Observing Podcasts . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... McDonald Observatory at University of Texas, Austin . ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

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• Kevin Schindler, Lowell Observatory | Astronomy.com
• Gemini Observatory, Hilo, Hawaii | Astronomy.com
• Chandra X-ray Observatory, Cambridge, Massachusetts | Astronomy.com

... Director of the RAS ISR . RAS Academician . ... Astrophysics module Kvant of the orbital complex Mir launched in 1987 contains the largest on the station complex of the scientific equipment named the orbital observatory Roentgen. Observatory Roentgen consists of 4 X-ray telescopes, jointly exceeding the range of energies from 2 to 800 keV. ... Among the most significant results that were received in the observatory Roentgen are: . ... measurement of the periods of 9 X-ray pulsars; . ...

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System of astrometric databases of Pulkovo observatory. 26-inch refractor . Pulkovo system of astrometric databases consists of three databases, which contain results of processing photographic and CCD observations, obtained with the 26-inch refractor and the Normal astrograph of Pulkovo observatory. Pulkovo photographic catalogs: Pul-2, Pul-3 (Pul-3 SE), Pul ERS . Results of photographic and CCD observations of Solar system objects . ... Normal Astrograph ...

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... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. February 9, 1999 . A Supernova Star-Field . Credit: Hubble Heritage Team ( AURA / STScI / NASA ) . Explanation: Bright stars don't last forever. ... The above picture is a composite of recent images taken over several years. The explosion originated from a bright massive star that ran out of nuclear fuel . ... About APOD > . ...

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• First Spectra from LonGSp
• K-band Arcetri Obscured Supernova Search - What is the KAOSS Projrect?
• Galaxy archaeology over the last 7 billion years

Trace: ranking . ... CREATE OR REPLACE FUNCTION my_rank (tsvector, tsquery, int ) RETURNS float AS $$ use List::Util qw(min max); my ($string, $ query ) = @_; my $maxpos = 0; # Parse tsvector, taking into account positional information foreach (split / /, $string){ if(/^'(\w+)'(:([0-9,]+))?$/){ foreach(split /,/, $3){ $ vector {$_} = $1; $maxpos = max($maxpos, $_); } } } my @ vector = map {$ vector {$_}} sort {$a = $b} keys(% vector ); # Parse tsquery, assuming it to be ORed only $ ... SAI VO | ...

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• SAI CAS: Cross-catalogue match interface
• SAI Virtual Observatory Project
• SAI CAS: About the SAI CAS project

Up: Data Analysis Software and Systems . ... SAOImage DS9 is an astronomical imaging and data visualization application. It supports FITS images and binary tables, multiple frame buffers, region manipulation, and many scale algorithms and colormaps. ... The latest release of DS9, version 2.2 (October 2002), contains a number of new features, including: . ... Once DS9 is connected to Chandra-Ed, FITS images can be sent back to DS9 for display and further analysis as part of these activities. ...

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• ADASS 2003 Conference Proceedings
• Modern CCD Observations of Moving Celestial Objects: Algorithms and Software
• Robust Data Analysis Methods for Spectroscopy

... Chapter 1. ... Problems of observational radio cosmology (6) . ... Analysis of radio astronomical data (32) . ... Data analysis system (33) . ... Actuality, goals and results to depend (45) . ... Interactive processing of continuum radio spectra of radio sources (72) . ... Creation of the astrophysical catalogs data base CATS and its application for selection and analysis of radio galaxy samples (112) . ... Data and methods (176) . ... Results of analysis of known radio galaxies data (179) . ...

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• Methods and results of radio cosmology. Results
• Methods and results of radio cosmology