... astro-ph . ... Statistical Characterization of the Chandra Source Catalog . ... The first release of the Chandra Source Catalog (CSC) contains ~95,000 X-ray sources in a total area of ~0.75% of the entire sky, using data from ~3,900 separate ACIS observations of a multitude of different types of X-ray sources. ... In addition to these traditional catalog elements, for each X-ray source the CSC includes an extensive set of file-based data products that can be manipulated interactively. ...

... How can I participate in AAAP to elevate my own interests and contribute in a way that helps advance the club and the future of amateur astronomy? ... Well known to AAAP from her significant role with the Sloan Digital Sky Survey in which Princeton is a key player, Dr. Knapp will speak to us about her research on Brown Dwarfs. ... 2003 ­ A Year of Progress in AAAP Reflecting back over the past year, I am struck by the contributions of many members which continue to solidify our club. ...

... RECOMMENDED VALUES OF PHYSICAL CONSTANTS AND CONVERSION FACTORS. ... This reference must be included when these constants are used in a context where their full accuracy is important. ... elementary charge (of proton) . ... gravitational constant . ... unified atomic mass constant . ... of electron . ... of proton . ... Planck constant . ... Rydberg constant, m 0 2 m e e 4 c 3 /8h 3 . ... fine structure constant, m 0 e 2 c/2h . ... Bohr radius, h 2 ( pm 0 c 2 m e e 2 ) . ... Bohr magneton, e h /2m e...

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... Some changes concerning conference fee and social program were caused by financial instability. The Conference Fee is deducted to 200 Euro for foreign participants and includes issue of Official Invitation Letter approved by Russian Emigration Authorities, coffee-breaks and abstract and program books. The reduced Conference Fee is deducted to 1500 Russian rubles for participants from Russia and includes coffee-breaks and abstract and program books. ...

Russian SHAREABLE DATA CENTER Institute of Solar-Terrestial Physics SB RAS . ... The ionogram catalogue is divided into the data file and the key file. ... The station codes database consists of the data file and two key files. ... This database consists of the data file and the key file. ... The antenna DB consists of two interrelated databases. ... The data file contains the following information: antenna type, antenna name, antenna parameters names, measurement units, and ranges of parameters. ...

... In 1998, the Presidium of the Russian Academy of Sciences (RAS) formed a special Commission for the struggle against falsification of scientific research. ... Misconception #1: G.I.Shipov has succeeded in generalizing Einstein’s General Relativity Theory. ... A.E.Akimov and G.I.Shipov do not have any of these degrees. ... The point is that these are two different Academies; and frauds-sciolists A.E.Akimov and G.I.Shipov are nowise connected with the Russian Academy of Sciences (RAS). Russian) . ...

Общая Астрономическая Конференция > Практика > Астрономические наблюдения > Звезда рядом с Венерой . ... Просмотр полной версии : Звезда рядом с Венерой . ... Если посмотреть в SkyMap, получается, что около 2 ч. Московского летнего времени Венера проходила примерно в 0.5' от переменной звезды TV Gem. ... Julian day number 2452125.41667) . ... Names and Catalog Numbers . ... PPM number: PPM 95588 . ... Tycho Catalog Data . ... RA: 0.0068 arcsec . ... Number of accepted data points: 106 . ...

... Therefore, the observatory supports educational events, occured in the SAO, including astronomical and astrophysical schools, lectures and excursions at the SAO's telescopes. ... Thursday 9-00 Breakfast 9-30 Opening of the School and Astronomical Olimpiad 10-15 Photo of particapants (near the SAO entrance) 10-30 Lecture about Specail Astrophysical observatory. Chentsov E.L. 13-30 Lunch 14-00 Excursion to historical places of Nizhnij Arkhyz 18-00 Dinner 19-00 Acquaintance evening. ...

... The metallicity distribution of disk F stars in different age ranges: the left column for the sample of stars within 80 pc around the Sun; the right column for the restored complete sample at the solar galactocentric distance with allowance made for the radial metallicity gradient. The numbers indicate the age ranges expressed in billions of years. ... next figure . ...