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Finding Useful Information

Learn where to find astronomy papers, preprints, ephemerides data, star information, sky conditions, satellite predictions, and more online. Explore NASA ADS, JPL Horizons, SIMBAD, AAVSO, magazines, and astronomical societies.

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Finding Useful Information

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  1. Finding Useful Information ON THE WEB

  2. Published papers • Most published papers in astronomy can be found on the NASA Astrophysics Data System: http://adswww.harvard.edu/

  3. ADS • To access the most recent papers in some journals you will need a subscription to them, or access them from an institution that has a subscription

  4. Preprints • These are papers posted on the web before they have been published in a journal • Many preprints are posted on astro-ph: http://xxx.lanl.gov/find/astro-ph No subscription is needed to access these preprints.

  5. Preprints • If you want, you can have the astro-ph website send you daily the list of new preprints posted on their site

  6. Solar System Ephemerides • JPL Horizons On-Line Ephemeris System • The JPL Horizons On-Line Ephemeris System provides easy access to key solar system data and flexible production of highly accurate ephemerides for solar system objects. This includes 170,000+ asteroids & comets, 128 natural satellites, 9 planets, the Sun, select spacecraft, and several dynamical points such as Earth-Sun L1, L2 and system barycenters. Users may define their own objects, then use the system to integrate the trajectory, or conduct parameter searches of the comet/asteroid database, searching on combinations of up to 42 different parameters. Rise, transit and set may be identified to the nearest minute. Close-approaches by asteroids and comets to planetary bodies (and Ceres, Pallas, and Vesta) can be easily identified. Orbit uncertainties can be computed for asteroids and comets.

  7. http://ssd.jpl.nasa.gov/horizons.html • Can give you positions, distances, and other information about a wide range of celestial objects

  8. SIMBAD • http://simbad.u-strasbg.fr/sim-fid.pl • Provides a variety of information on individual objects, mainly on stars

  9. Clear Dark Sky • Predicted sky conditions for different locations and links to other useful sites • http://cleardarksky.com/c/MSUObMIkey.html?1

  10. Satellite Predictions • Heavens Above • Can be accessed from the Clear Dark Sky website • http://www.heavens-above.com/

  11. Variable Stars • American Association of Variable Star Observers www.aavso.org General Catalog of Variable Stars http://www.sai.msu.su/groups/cluster/gcvs/gcvs/

  12. AAVSO

  13. SPACE WEATHER • http://www.spaceweather.com/ • http://www.sec.noaa.gov/SWN/ • http://www.spacew.com/

  14. SpaceWeather.com

  15. Magazines • Sky and Telescope • http://skyandtelescope.com/ • Astronomy • http://www.astronomy.com/

  16. http://www.badastronomy.com/

  17. Astronomical Societies • American Astronomical Society • http://www.aas.org/ • Has a section about astronomy as a career

  18. Astronomical Society of the Pacific • http://www.astrosociety.org/

  19. Association of Lunar and Planetary Observers • http://www.lpl.arizona.edu/alpo/

  20. Saturn: ALPO

  21. Jupiter: ALPO

  22. Astronomy Picture of the Day • http://antwrp.gsfc.nasa.gov/apod/astropix.html

  23. Fun Webcams

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