Solar variation

Results: 797



#Item
141Vortices / Maunder Minimum / Space / Wolf number / Solar cycle / Sun / Rudolf Wolf / Solar variation / Solar minimum / Astronomy / Physics / Sunspot

The tally of splotches on our sun tells us what it’s up to. It’s a pity no one can agree how to count them, says Brian Owens Spot of bother

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Source URL: www.leif.org

Language: English - Date: 2013-09-16 23:20:58
142Helioseismology / Plasma physics / Space plasmas / Sunspot / Solar variation / Frequency / Electronic filter / Physics / Sun / Astronomy

The Astrophysical Journal, 744:77 (10pp), 2012 January 1  Cdoi:637X

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Source URL: www.cora.nwra.com

Language: English - Date: 2011-12-16 00:41:06
143Light sources / Plasma physics / Space plasmas / Helioseismology / Magnetism / Solar variation / Sunspot / Magnetic field / Magnet / Physics / Electromagnetism / Sun

The Astrophysical Journal, 620:1107–1117, 2005 February 20 # 2005. The American Astronomical Society. All rights reserved. Printed in U.S.A. THE ACOUSTIC SHOWERGLASS. I. SEISMIC DIAGNOSTICS OF PHOTOSPHERIC MAGNETIC FIE

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Source URL: www.cora.nwra.com

Language: English - Date: 2005-02-17 17:22:55
144Light sources / Sun / Plasma physics / Space plasmas / Helioseismology / Magnetogram / Sunspot / Solar variation / Magnetic field / Physics / Electromagnetism / Magnetism

1 LOCAL HELIOSEISMOLOGY OF INCLINED MAGNETIC FIELDS AND THE SHOWERGLASS EFFECT H. Schunker1 , D. C. Braun2 , C. Lindsey2 , and P. S. Cally1 1

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Source URL: www.cora.nwra.com

Language: English - Date: 2004-07-30 13:35:11
145Signal processing filter / Light sources / Plasma physics / Space plasmas / Sunspot / Holography / Speed of sound / Electronic filter / Solar variation / Physics / Sun / Helioseismology

Solar Phys DOIs11207Surface-Focused Seismic Holography of Sunspots: II. Expectations from Numerical Simulations Using Sound-Speed Perturbations

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Source URL: www.cora.nwra.com

Language: English - Date: 2008-11-07 10:13:24
146Space plasmas / Helioseismology / Light sources / Solar variation / Magnetic field / Coherence / Wave / Physics / Sun / Plasma physics

1 THE SHOWERGLASS EFFECT IN SEISMIC DIAGNOSTICS OF ACTIVE REGION SUBPHOTOSPHERES Charles Lindsey and D. C. Braun

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Source URL: www.cora.nwra.com

Language: English - Date: 2002-11-12 11:18:55
147Geophysics / Celestial mechanics / Geomagnetism / Atmosphere / Sunspot / Vortices / Solar cycle / Wolf number / Ionosphere / Physics / Astronomy / Electromagnetism

The Scale Value of the H variometer at Helsinki Leif Svalgaard, September 2013 The diurnal variation [SR or less accurately called Sq] of geomagnetic elements can be used to check the scale-value of the magnetometers. Th

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Source URL: www.leif.org

Language: English - Date: 2013-10-05 23:52:01
148Space plasmas / Astrophysics / Light sources / Magnetism / Corona / Solar variation / Sunspot / Magnetic field / Solar Maximum Mission / Physics / Sun / Plasma physics

The Polar Fields Seen in 17 GHz Microwave Flux Leif Svalgaard Stanford University 18 November, 2011

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Source URL: www.leif.org

Language: English - Date: 2011-11-18 10:15:25
149Sun / Light sources / Fluid dynamics / Helioseismology / Solar variation / Corona / Magnetic field / Resonance / Speed of sound / Physics / Plasma physics / Space plasmas

Solar MHD Theory and Observations: A High Spatial Resolution Perspective ASP Conference Series, Vol. 354, 2006 Uitenbroek, Leibacher, and Stein The Role of MHD Mode Conversion in Sunspot Seismology

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Source URL: www.cora.nwra.com

Language: English - Date: 2007-04-06 18:09:42
150Solar cycle / Sunspot / Wolf number / Space weather / Solar minimum / Maunder Minimum / Solar maximum / Sun / Solar variation / Astronomy / Space / Atmospheric sciences

J. Space Weather Space ClimA24 DOI: swsc Ó L. Svalgaard et al., Published by EDP Sciences 2013 OPEN

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Source URL: www.leif.org

Language: English - Date: 2013-07-06 04:29:16
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