'Polar field' diaporamas de présentation

Janardhan, P 1 and Ananthakrishnan, S. 2

Quiet Flows the Solar Wind: Long-term Trends in Solar Photospheric Fields and Solar Wind Micro-Turbulence. Janardhan, P 1 and Ananthakrishnan, S. 2. 2.Dept. of Electronics. SP. Pune University Pune - 7 India. 1.Astronomy & Astrophysics Divn. Physical Research Laboratory Ahmedabad - 9

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Why was the Sun so quiet?

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The Origin of the Solar Magnetic Cycle

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Space plasmas, examples and phenomenology

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PREDICTING CYCLE 24 USING VARIOUS DYNAMO-BASED TOOLS

PREDICTING CYCLE 24 USING VARIOUS DYNAMO-BASED TOOLS. Mausumi Dikpati High Altitude Observatory, NCAR. Attempts to build a dynamo-based predictive tool. Qualitative.

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Evolution of the Large-Scale Magnetic Field Over Three Solar Cycles

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The Polar Fields Seen in 17 GHz Microwave Flux

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Polar Network Index as a magnetic proxy for the solar cycle studies

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The Unusual Heliospheric Current Sheet at the End of Cycle 23 A Comparison of Cycles 21,22,& 23

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Propagation Trends 2013-2014

Propagation Trends 2013-2014. Solar Maximum ! A Double Peaked Sunspot Cycle ?. Every 6 Meter DXer Remembers This! The Second Sunspot Peak of Solar Cycle 23. 400 Years of Sunspot Observations 60 years of high sunspot cycles have probably come to an end. 40 years. 70 years.

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Sunspot activity and reversal of polar fields in the current cycle 24

Sunspot activity and reversal of polar fields in the current cycle 24 A.V. Mordvinov 1 , A.A. Pevtsov 2 1 Institute of Solar-Terrestrial Physics of SB RAS, Irkutsk, Russia 2 National Solar Observatory, Sunspot, NM, United States

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Interpolation of polar field

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Interpolated polar field for CR1914: 7 Methods

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HMI Magnetogram 2012.06.08_21:30

Polar Reversal, Solar Maximum, and the Large-scale Heliospheric Field in Solar Cycle 24. AAS 206.07. J. Todd Hoeksema, Xudong Sun, Keiji Hayash, Solar Observatories Group @ H.E.P.L., Stanford University. Image Courtesy Keiji Hayashi hmi.stanford.edu/MHD.

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A particularly obvious example of daily changing background noise level

Variance at Each Longitude. Variance at Each Latitude. Scale correction map for MDI magnetograms derived by Tran, Bertello, Ulrich, &Evans, ( Ap J Supp, 145:259, 2005 ) from Mt Wilson observations. A smoothed version is used to calibrate individual magnetograms.

121 views • 1 slides