... XPA and the now-defunct funtools have moved to GitHub! Please visit: . xpa @ https://github.com/ericmandel/xpa . funtools (not supported but ...) @ https://github.com/ericmandel/funtools for the latest version. Also available on GitHub: . ... The public release xpa version 2.1.15 is available here . Please upgrade at your convenience. ... Its available here . ... Software to benefit the astronomical community and especially the X-ray astronomy community. ... saord@cfa.harvard.edu . ...

... List of courses | LIST and CONTENTS of COURSES . ... Introduction . ... Application: . ... Alumni: . List of Alumni . ... Alumni reports . ... At least one semester of Advanced Calculus and one semester of Linear Algebra are necessary prerequisites to all our courses, including Elementary ones. For additional prerequisites to Intermediate and Advances courses please consult the course description. ... Non-Euclidean geometry . ... Ergodic Theory of Dynamical Systems . ... Advanced courses . ...

... Use of This Manual . ... Spectral-Line Observing at Arecibo (3.25 Mbyte) + Spectral line Appendices (0.56 Mbyte) ( HTML page ) . ... Data Analysis . ... Continuum Observing at Arecibo (0.36 Mbyte) + Continuum Appendices (0.31 Mbyte) . ... Pulsar Observations at Arecibo (4.03 Mbyte) + Pulsar Appendices (0.70 Mbyte) ( HTML page ) . ... VLBI Observing at Arecibo (0.36 Mbyte) + VLBI Appendices (0.35 Mbyte) . ... Introduction to Computing at Arecibo (0.33 Mbyte) + Computing Appendices (0.32 Mbyte) . ...

... astro-ph . ... SAI VO . ... Whitespace-separated words are treated as AND ed. Show 10 50 100 articles per page in Full Compact mode . Normalized to: Content, D. 6 article(s) in total . 201 co-authors, from 1 to 6 common article(s). ... Aronstein, David. ... Brown, M. J. I.. Brown, Robert L.. Brown, Timothy M.. ... Demers, Richard T.. ... Grunsfeld, John M.. ... Helou, George. ... Hraba, John. Hudson, Michael J.. ... Korechoff, Bob. ... Lyon, Richard G.. ... Mortonson, Michael J.. ...

This section of library contains information about "classic" Star Catalogs. ... For a Henry Draper Catalog 272149 stars have received a total of 531,211 identifications in 7 сatalogs: . 270456 - in Astrographic Catalogue ( "Carte du Ciel", 4M), . 251943 - in Guide Stars Catalog (GSC), . ... A file with information on the components of 1788 of multiple systems in catalog HDEC (3681 component, or a combination thereof, with 4054 recording). ... A file with information about 21971 variable stars. ...

Background Material for Science Teachers JULY 1994 -- Periodic Comet Shoemaker-Levy 9 Collides with Jupiter . Comet Shoemaker-Levy 9 collided with Jupiter in July 1994. From this historic event, scientists learned more about comets, Jupiter, and the physics of high velocity planetary impacts. ... Main Contents: . ... What Is a Comet? ... The Motion of Comets . ... The Fragmentation of Comets . ... The Planet Jupiter . ... A. Comparative Tables . B. The K-T Event . ... Acknowledgments . ...

... Tonight's Sky . ... SUN MOON MERCURY VENUS MARS, JUPITER SATURN . ... The Magazine . ... Observing . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... Find out more about up-and-coming astronomers . ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

... ARTICLE: The Adventurous Search For The Astronomical Unit . ... Kepler himself had suggested to use the rare occasions of Venus transiting (crossing) the solar disk to measure our distance to the planet. ... Due to the orbital inclination of Venus against the ecliptic of 3.5°, a Venus transit is so rare that it happens only at intervals of 121.5 years, 8 years, 105.5 years, 8 years and so on. ... Crabtree witnessing the transit of Venus 1639 . ... Transits of Venus - The Quest for the Solar Parallax...

Published in the 2 nd announcement . The VIII Asian-Pacific plan to be organised on November 26 - December 4 , 2012 . ... Form of the application (Excel file, please, save the table in format not later Excel-1997-2003). Personal data of all proposed team leaders and participants (please, save the data in text format *.txt), . ... E-mails for sending the personal data . ... Dr. Michael G. Gavrilov, Founding Chairman and Coordinator of the Asian-Pacific Astronomy Olympiad (APAO) . ...

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The Astronomy Net . ... Amateur Telescope Making - Quick List of Topic Threads . ... Astrophotography Forum - Quick List of Topic Threads . ... Blackhole Forum - Quick List of Topic Threads . ... CCD Forum - Quick List of Topic Threads . ... Celestron Telescope and Equipment Discussion Forum - Quick List of Topic Threads . ... Dome Discussion Forum - Quick List of Topic Threads . ... Eyepiece Discussion Forum - Quick List of Topic Threads . ... Astronomy Forum - Quick List of Topic Threads . ...

... Российские журналы по астрономии . ... Электронная библиотека e-library . ... Библиография и абстракты по астрономии . ... Astronomy and Astrophysics (from vol.284, Apr 94) . ... Publications of the Astronomical Society of the Pacific (from vol.106,Jan 94) . ... Celestial Mechanics and Dynamical Astronomy (An International Journal of Space Dynamics) . Astronomical Journal (AJ) . ... Astronomy & Astrophysics ( EDP Science , с 2001 г.) . ... STSI Library (Space Telescope Science Institute Library) . ...

... Главная . ... Новости . ... Проекты . Любителям астрономии . Проект ISON . ... Подробнее . ... Категория: Новости проекта ISON . ... Метки: Космический мусор ,љ Астероиды ,љ Гамма-всплески ,љ Любителям астрономии ,љ Кометы љ . ... Метки: Космический мусор ,љ Астероиды ,љ Любителям астрономии љ . ... Новости обсерваторий проекта] - Обсерватория Кубанского государственного университета от Иванов А - 09.04.2016 11:08:49 . ... 1999-2013 Copyright "Астрономия и Телескопостроение" . ...

THE CHEMICAL COMPOSITION OF REGOLITH AT THE MOON'S SOUTH POLE, ACCORDING TO DATA OF LUNAR PROSPECTOR AND LUNAR RECONNAISSANCE ORBITER MISSIONS. ... Introduction: The article tells about the results of integrated study of the craters at the Moon's South Pole with permanently shadowed region of craters. ... We have compared the ultimate composition of the soil matters in the craters with "cold traps" in the Moon's South Pole with regard to thorium, ferric oxide and hydrogen contents (Fig. ...

Find Similar Abstracts (with default settings below ) . ... Also-Read Articles . Translate Abstract . ... Hot Star Workshop III: The Earliest Stages of Massive Star Birth. ... San Francisco, Astronomical Society of the Pacific, 2002, p.407 . ... 407P We present a high-resolution near-infrared study of the deeply embedded young stellar object S140 IRS1 and its environment. Bibtex entry for this abstract Custom formatted entry for this abstract (see Preferences) . ... Query Results . ...

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... Formation of Galactic Subsystems in Light of the Magnesium Abundance in Field Stars. ... The Thin Disk(2006) . ... I. The Thick Disk. ... A Compiled Catalog of Spectroscopically Determined Elemental Abundances for Stars with Accurate Parallaxws. I Magnesium. ... Stars of extragalactic origin in the solar neighborhood.( ... Evidence for age delay between the formation of the old halo and the thick disk(2000) . ... Tel:work(8632)433985 . home(8632)333178 . Fax:(8632)434044 . ...

lsst.coordConv љ unknown . ... Classes . ... All љ Classes љ Namespaces љ Files љ Functions љ Variables љ Typedefs љ Enumerations љ Enumerator љ Pages . coordConv: Astronomical Coordinate Conversions . The coordConv package provides the following classes and functions. ... Coord : represents a position on the sky, with proper motion and radial velocity; provides easy access to spherical and cartesian position. ... Position conversion functions: . ... Time conversion functions: . ...

Computer Ephemeris for 2014 from DE200/LE200. ... Sidereal Time. ... Apparent equatorial positions. Ecliptical positions. ... Chebyshev polinomial approximation of positions. ... Position and velocity. ... Dynamical time. Sidereal time. ... Osculating elements of planetary orbits. Planetary configurations (by time). ... Fundamental ephemeris. ... Ephemeris for physical observations. ... Stars. ... All comments on Computer Ephemeris please direct to the author: charlie@mail.univ.kiev.ua ...