. Pulkovo Observatory of Russian Academy of Sciences is situated . near Saint-Petersburg. It was founded in 1839. 196140, Saint-Petersburg, Pulkovskoye chaussee 65/1 . English version . Russian version . This page has been accessed times since May 1, 1999.

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... We have mapped the central region of the spiral galaxy NGC 1808 in the 12CO J=1-0, J=2-1, J=3-2 lines and measured 13CO J=1-0, J=2-1, C18O J=1-0, HCN J=1-0 and an upper limit on CS J=2-1 at the central position. ... The line intensity ratios indicate that the central molecular gas of NGC 1808 is in a state of high excitation compared with giant molecular clouds in the disk of the Milky Way. ... A simple estimate of the pressure felt by these clouds leads to further constrains on their properties. ...

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... IAU Symposium 267: Evolution of Galaxies and Central Black Holes . ... Feedback . Submit Feedback . ... 2016 Spring Symposium . ... IAU Symposium 267 . ... Such feedback, feeding, and their mutual interaction might possibly account for the tight relationship between galactic bulge mass and central black hole mass. ... Session 1. The first galaxies and black holes . ... Quasar and supermassive black hole demographics . ... Black hole masses, scaling relationships, and their evolution . ...

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... Gallery . ... Sidebar Left . Sidebar Top . No Sidebar . Sidebar Bottom . Sidebar Right . ... Title: The frame for the central walkway . Description: NOTE: All images and movies are copyright and must not be reproduced or mirrored in any form without written permission. ... The frame for the central walkway NOTE: All images and movies are copyright and must not be reproduced or mirrored in any form without written permission. Powered by Gallery 3.0.9 (Chartres) . ...

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The AstroGuide . ... AstroGuide | ... AstroGuide Listing . Login . See many more Astronomy Listings by: Category or Alphabet . The Amateur Astronomers of Central Iowa is a small nonprofit amateur astronomy club located near Marshalltown in Central Iowa. ... Listed Since February 14, 1999 . ... Unless otherwise specified, web site content Copyright 1994-2016 John Huggins All Rights Reserved . dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . are trademarks of John Huggins ...

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... Home Observing Central Park ? ... 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 AAA hosts solar observing in Central Park one Sunday afternoon?аeach month.?а WeтАЩre located right by Bethesda Terrace and Fountain , middle of Central Park, just north of 72nd street. ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by ....

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Next: Carbon stars Up: OTHER HYDROGEN-DEFICIENT STARS Previous: Extreme helium stars and . V348sgr may be more closely related to about twenty hydrogen-deficient central stars of planetary nebulae which have similar carbon abundances ( ) and strong emission line spectra ([ Leuenhagen et al. 1995 ], [ Leuenhagen & Hamann 1997 ]). ... Hydrogen-deficient and carbon-rich knots are seen in the inner nebulae of at least two objects (Abell 30 and Abell 78). ...

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... Science . ... Science Users Information > Science Activities > PhD Thesis Topics offered by ESO Faculty Members > Thesis Topic: The binary central stars of planetary nebulae . ... Data Handling and Products . ... Science Data Products Forum . ... ESO Data . ... ESO Data Access Policy . ... ESO Science Newsletter . ... We hereby propose to further analyse several systems for which we have extensive datasets, and pursue our study of binary central stars of planetary nebulae, with an emphasis on : . ...

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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. 2008 November 10 . Our Galaxy's Central Molecular Zone . ... Explanation: The central region of our Milky Way Galaxy is a mysterious and complex place. ... The region is known as the Central Molecular Zone . ... This image is not just interesting scientifically . ... About APOD | ... NASA Official: Phillip Newman Specific rights apply . ...

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Astronotes Armagh Planetarium's Stellar Blog! ... Armagh Planetarium . ... Moon . ... Space Flight . ... One of the best-known lunar craters, Tycho is not especially large at some 85 km across. ... Bright and with prominent rays of material radiating from it, Tycho is a young crater; there has been little time for the slow and steady rain of micrometeorites to erode it. ... NASAтАЩs LRO recently took this evocative image of the steep slopes of TychoтАЩs central peak illuminated by the morning Sun. ...

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... 4a. Electric Fluid . ... Matter consists of atoms, and atoms consist of electrically charged components--lightweight negative electrons , and positive nuclei . ... In one end we embed a metal coil of wire (like that of a flashlight bulb) in the other a metal plate, as drawn. ... As the wire begins to glow, a current begins to flow, because now negatively charged particles are emitted from the hot wire, are attracted to the positive charge on the plate and by doing so, complete the electrical circuit...

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Next: A box, to include Up: To produce a region Previous: To produce a region . select cursor and circle . When in the image window, the mouse now has a box shape with an arrow at the upper left corner. The mouse buttons act as follows: . LEFT - to move the center of the circle at the position of the arrow point. ... RIGHT - idle. center the circle at the point source by positioning the arrow point and clicking on the LEFT mouse button. A circle will appear at the arrow position. ...

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... eregionanalyse imageset=emosimage.ds srcexp="(DETX,DETY) in CIRCLE(639,-769,1200)" . backexp="(DETX,DETY) in CIRCLE(11400,-700,1200)" . This will set the parameters, xcentroid and ycentroid , to be the centre of the counts distribution within the source box; the optimum radius from the source and background count distribution and the number of counts in the source box. ...

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... Central IC 1805 . ... Credit Copyright: Keith Quattrocchi Explanation: Cosmic clouds seem to form fantastic shapes in the central regions of emission nebula IC 1805. ... Wider field images reveal that IC 1805's simpler, overall outline suggests its popular name - The Heart Nebula . ... Publications with keywords: Heart Nebula - emission nebula - star formation - narrow band filter . Publications with words: Heart Nebula - emission nebula - star formation - narrow band filter . ...

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... 4a. Electric Fluid . ... Matter consists of atoms, and atoms consist of electrically charged components--lightweight negative electrons , and positive nuclei . ... In one end we embed a metal coil of wire (like that of a flashlight bulb) in the other a metal plate, as drawn. ... As the wire begins to glow, a current begins to flow, because now negatively charged particles are emitted from the hot wire, are attracted to the positive charge on the plate and by doing so, complete the electrical circuit...

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. Index . <- . -> . Central Citani . 29 dicembre 2008 21:01:53 .

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Computer Ephemeris for 2014 from DE200/LE200. Longitude of central meridian of Saturn. ...

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. Album : asv-album :: Travels to distant places and countries :: 1997/08 Kyoto, Nara (Japan) :: 21/08 Toji temple flea market, Gion district . Up . << Prev . Toji temple, central building. On August 21, the huge flea market teems on the temple territory. Next >> . Photo album generated by album a MarginalHack by Dave Madison on Tue Jun 23 14:46:14 2015 .

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... Cooperation with third countries and international organizations . ... Scientific and technological cooperation with the Countries of Central Europe (CCE) and the new independent States (NIS) . ... 1 .A SPECIFIC RTD PROGRAMME IN THE FIELD OF COOPERATION WITH THIRD COUNTRIES AND INTERNATIONAL ORGANIZATIONS-INCO 8 . ... From EU Member States and CCE/NIS 28 . From other European countries 28 . ... Contact persons in the EFTA/EEA Member States 43 . Contact persons in other countries 44 . ...

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