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The July 14th, 2000 "Bastille Day" solar event as observed by Voyagers 1 and 2 in the distant heliosphere

McDonald, F. B. and Burlaga, L. F. and Cummings, A. C. and Heikkila, B. C. and Lal, N. and Ness, N. F. and Stone, E. C. and Richardson, J. D. and Webber, W. R. (2001) The July 14th, 2000 "Bastille Day" solar event as observed by Voyagers 1 and 2 in the distant heliosphere. In: Proceedings of the 27th International Cosmic Ray Conference. Vol.9. Copernicus Systems and Technology GmbH , Berlin, Germany, pp. 3637-3640. https://resolver.caltech.edu/CaltechAUTHORS:20150304-133315782

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Abstract

One of the most powerful solar events observed over the current cycle occurred at 1024 July 14, 2000 accompanied by an X-5.7 x-ray burst and a full halo coronal mass ejection that initially was traveling at a velocity of > 1700 km/s. At earth the solar energetic particle event was the largest so far in cycle 23. Some 177 days later (2001.02) at V-2 (63 AU, 24ºS) there began a step decrease in the cosmic ray intensity (15% for 265 MeV/n GCR He) and a complex enhancement with multiple structure in the magnitude of the interplanetary magnetic field. For lowenergy 2.3 MeV protons there was a 10-fold increase in intensity that tracks the increase in the solar wind velocity which reached a peak value of ~450 km/s. This event is discussed in the context of the increases in intensity of MeV ions and the modulation events for galactic and anomalous cosmic rays that have been observed in the distant heliosphere for solar cycle 23 through 2001.4.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
http://adsabs.harvard.edu/abs/2001ICRC....9.3637MADSArticle
Additional Information:© Copernicus GmbH.
Group:Space Radiation Laboratory
Other Numbering System:
Other Numbering System NameOther Numbering System ID
Space Radiation Laboratory2002-07
Record Number:CaltechAUTHORS:20150304-133315782
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20150304-133315782
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:55520
Collection:CaltechAUTHORS
Deposited By: Deborah Miles
Deposited On:05 Mar 2015 01:08
Last Modified:03 Oct 2019 08:06

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