'Solar dynamo' diaporamas de présentation

Haosheng Lin Institute for Astronomy, University of Hawaii

998 views • 80 slides

The solar dynamo

The solar dynamo. Axel Brandenburg. Importance of solar activity. Solar 11 year sunspot cycle. Sunspots between +/- 30 degrees around equator New cycle begins at high latitude Ends at low latitudes equatorward migration. butterfly diagram. Sunspots. Sunspots. Large scale coherence.

738 views • 49 slides

Solar Orbiter

Solar Orbiter. Status of Solar Orbiter Scientific Goals Spectrometer Update Richard Harrison Rutherford Appleton Laboratory. Status of Solar Orbiter. Recent & On-Going Activities: Payload Working Group Science Definition Team International Status

546 views • 33 slides

Solar Orbiter

Solar Orbiter. Status of Solar Orbiter Scientific Goals Spectrometer Update Richard Harrison Rutherford Appleton Laboratory. Status of Solar Orbiter. Recent & On-Going Activities: Payload Working Group Science Definition Team International Status

463 views • 33 slides

426 views • 29 slides

H. Isobe Plasma seminar 2004/06/16

1. Explaining the latitudinal distribution of sunspots with deep meridional flow D. Nandy and A.R. Choudhhuri 2002, Science, 296, 1671 2. Kinetic solar dynamo models with a deep meridional flow G.A. Guerrero and J.D. Munos 2004, MNRAS, 350, 317

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Magnetic field and convection in Betelgeuse

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McCracken and Beer, 2014

Using the paleo-cosmic ray record to compare the solar activity during the sunspot minimum of 2006-2009 with those during the Spoerer, Maunder, and Dalton Grand Minima Ken McCracken IPST, University of Maryland. jellore@hinet.net.au NESSC, Boston, 17April, 2014

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Solar Magnetism: Solar Cycle Solar Dynamo Coronal Magnetic Field

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Is solar activity a surface phenomenon?

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319 views • 18 slides

Physics of the Weird Solar Minimum: New observations of the Sun

Physics of the Weird Solar Minimum: New observations of the Sun. Dr. E.J. Zita The Evergreen St. College Olympia WA 98505 zita@evergreen.edu. Abstract.

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Time series analysis methods in vivo and silico

Nigul Olspert Aalto University ICS nigul.olspert@aalto.fi. Time series analysis methods in vivo and silico. Outline. General goals In vivo (datasets of the Sun and other stars) In silico (datasets from DNS simulations) Statistical methods Carrier fit method

179 views • 10 slides

Solar Variability

Solar Variability. Lead: Arnold Hanslmeier Current research field Dynamics of the solar photosphere , small scale , large scale fields ; solar dynamo action ; small scale features and solar dynamo , solar variability on different timescales Current main research topics

303 views • 5 slides