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IAU Symposium 264
Preliminary Program
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Monday, 3 August, 11:00 - 17:30
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Session 1. Observations of Solar and Stellar Variability
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11:00 - 11:25
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Solar diameter and irradiance measurements (invited)
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11:25 - 11:50
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Helio- and asteroseismic inferences (invited)
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11:50 - 12:15
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Variability of spectral irradiance and energetic particles (invited)
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12:15 - 12:30
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Contributed talk
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Session 2. Solar and Stellar Cycles and Variability on Century Timescale
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14:30 - 14:55
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Sunspot cycles and grand minima (invited)
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14:55 - 15:20
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Stellar magnetic cycles (invited)
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15:20 - 15:35
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Contributed talk
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15:35 - 15:50
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Contributed talk
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Coffee break
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16:30 - 16:55
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Long-term stellar variability (invited)
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16:55 - 17:10
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Contributed talk
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17:10 - 17:25
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Contributed talk
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Tuesday, 4 August, 11:00 - 12:30
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Session 3. Magnetic Activity and Dynamo Mechanisms
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11:00 - 11:25
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Evolution of the solar magnetic fields and polarity reversals (invited)
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11:25 - 11:50
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Solar dynamo and cycles (invited)
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11:50 - 12:30
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Poster presentations I
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Wednesday 5 August, 09:00 - 10:00
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S264 key note review for all GA participants
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Wednesday 5 August, 11:00 - 17:30
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Session 3. Magnetic Activity and Dynamo Mechanisms (cont).
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11:00 - 11:25
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Stellar magnetic dynamo during the evolution across the main sequence (invited)
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11:25 - 11:50
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Realistic MHD numerical simulations (invited)
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11:50 - 12:05
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Contributed talk
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12:05 - 12:20
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Contributed talk
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Session 4 Physical Mechanisms of Solar and Stellar Variability
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14:30 - 14:55
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Mechanisms of the total and spectral irradiance changes (invited)
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14:55 - 15:30
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Poster presentations II
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Coffee break
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16:00 - 16:25
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Large-scale patterns and 'active longitudes' (invited)
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16:25 - 16:50
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Magnetic energy release, flares and CME (invited)
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16:50 - 17:05
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Contributed Talk
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17:05 - 17:20
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Contributed Talk
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Thursday 6 August, 09:00 - 17:30
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Session 5. Effects on Space Weather and Climate
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9:00 - 9:25
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Evidence and mechanisms of solar influence on Earth climate - (invited)
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9:25 - 9:50
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Thermosphere temperature and density variations (invited)
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9:50 - 10:05
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Contributed talk
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10:05 - 10:20
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Contributed talk
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Coffee break
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11:00 - 11:25
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CME link to geomagnetic storms (invited)
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11:25 - 11:50
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Lower and middle atmosphere and ozone layer responses to solar variation (invited)
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11:50 - 12:05
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Contributed talk
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12:05 - 12:20
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Contributed talk
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Session 6. Effects of Magnetic Activity on Planet Formation and Evolution
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14:30 - 14:55
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The paleo-Sun, changes from records and inference from solar analogs of different ages (invited)
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14:55 - 15:20
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Magnetic activity and stellar radiation emission as
influences on the thermal structure, photochemistry and
photoionization of planetary atmospheres (invited)
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15:20 - 15:35
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Contributed talk
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Coffee break
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16:00 - 16:25
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From young chromosphere active stars to cold dwarfs:
regimens of magnetic activity and irradiance (invited)
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16:25 - 16:50
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Stellar activity and magnetic shielding (invited)
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16:50 - 17:30
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Poster session
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Friday 7 August, 09:00 - 15:30
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Session 7. Impact of Solar and Stellar Variability on Planetary Atmospheres and Climate
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9:00 - 9:25
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Sun and stars as the primary energy input in planetary
atmospheres (invited)
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9:25 - 9:50
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Formation and evolution of planetary atmospheres (invited)
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9:50 - 10:15
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UV radiation and planetary biological evolution (invited)
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10:15 - 10:30
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Contributed talk
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Coffee break
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Session 8 Current and future space missions and ground-based observing
programs
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11:00 - 11:25
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Recent results from COROT (invited)
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11:25 - 11:50
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Solar missions (invited)
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11:50 - 12:05
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Contributed talk
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12:05 - 12:20
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Contributed talk
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12:20 - 12:35
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Contributed talk
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Session 9 Open discussion, and closing remarks
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14:30 - 15:30
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Open discussion, and closing remarks
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National Organizing Committee - NOC
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www.astronomy2009.com.br
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