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NOVAE SEARCH GROUP

NOVAE SEARCH GROUP. Team leaders: Sara Garzia Giovanni Sostero Group members: Maja Hren Ana Bonaca Natko Bajić. Aim of the group: Learn how to prepare a search program Optimize the method with the available instrumentation Refine the method while operating

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NOVAE SEARCH GROUP

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  1. NOVAE SEARCH GROUP Team leaders: Sara Garzia Giovanni Sostero Group members: Maja Hren Ana Bonaca Natko Bajić VSA Novae group

  2. Aim of the group: • Learn how to prepare a search program • Optimize the method with the available instrumentation • Refine the method while operating • Enjoy the VSA School VSA Novae group

  3. TOPICS SUMMARY • An introduction to nova phenomenon • Classical novae search program at the 2002 VSA • Recurrent novae monitoring programat the 2002 VSA VSA Novae group

  4. Field of Nova Aquilae 1999 before explosion VSA Novae group

  5. KA-BOOM!!!!!!!!!! VSA Novae group

  6. The expanding shell of material after a nova outburst Accretion hydrogen disc around white dwarf VSA Novae group

  7. DISTRIBUTION OF NOVAE VSA Novae group

  8. VSA Novae group

  9. THE FREQUENCY VSA Novae group

  10. LIGHT CURVE VSA Novae group

  11. VSA Novae group

  12. FIELDS OF VSA Novae group

  13. ACQUISITION EQUIPMENT • TELEOBJECTIVES • 80mm-field of view 43°x43° limiting magnitude 12 at best • 180mm- field of view 20°x20° limiting magnitude 13.5 at best • OUR OBSERVATIONS • (180mm f/2.8) VSA Novae group

  14. NEGATIVES PRODUCTION • developing TMAX 400 film • after film was dry, we cut each negative • we put them into bags we made (archive) • inspecting them VSA Novae group

  15. BLINKING VSA Novae group

  16. ACTUAL BLINKING VSA Novae group

  17. RESULTS • 5 nights of work, an average of 6 fields each night • Some 10 variable stars identified, a couple of them seems to be new • Hundredes of dustgrains discovered • The search has proved to be potentially effective • We need just more time to search… VSA Novae group

  18. RECURRENT NOVAE PROGRAM VSA Novae group

  19. HOW TO RECOGNIZE A RECURRENT NOVA? VSA Novae group

  20. OUR PROGRAM VSA Novae group

  21. DISTRIBUTION VSA Novae group

  22. VSA Novae group

  23. EQUIPMENT VSA Novae group

  24. BC Cassiopeae VSA Novae group

  25. VSA Novae group

  26. LS Andromedae VSA Novae group

  27. VSA Novae group

  28. We simply haven’t enough time to draw any conslusion More telescope time is needed… VSA Novae group

  29. REFERENCES: Classical Novae, M.F. Bode and A. Evans editors, J. Wiley & Sons, 1989 www.aavso.org vsnet.kusastro.kyoto-u.ac.jp www.arksky.org/SuperNovae.htm ACKOWLEDGMENTS Višnjan Observatory staff Korado, Ivan and Luca VSA Novae group

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