Other
Scientific paper
Dec 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005agufmsh43b..03b&link_type=abstract
American Geophysical Union, Fall Meeting 2005, abstract #SH43B-03
Other
2124 Heliopause And Solar Wind Termination, 2126 Heliosphere/Interstellar Medium Interactions, 2134 Interplanetary Magnetic Fields
Scientific paper
This paper discusses the magnetic fields observed by Voyager 1 (V1) in the heliosheath from DOY 352, 2004 to 125, 2005. The largest structure in this interval was a magnetic sector that V1 entered on day 360, 2004 and left on day 110, 2005. The leading sector boundary occurred during an ~8-hour data gap. The trailing sector boundary was very narrow (~20 min), had the structure of a "D-sheet" (consistent with reconnection), and was associated with a large decrease in B from 0.14 to 0.05 nT. Both sector boundaries were associated with large fluctuations in the magnetic field strength B, including magnetic holes. Within the sector, the distribution of hour averages of B was Gaussian with Average(B) = 0.121 nT and SD(B) = 0.036 nT. There were large fluctuations of B on a scale of the order of 10 minutes throughout much of the sector. The strongest fields (0.31 nT) occurred in a narrow peak on days 8 and 9, 2005. This feature contained very large amplitude waves, and it was associated with a large cusp-like minimum in the otherwise smooth profile of ions greater than 0.5 MeV. The sector was followed by a region with low values of B (~0.05 nT) that moved past V1 for more than 15 days.
Acuña M.
Burlaga Len
Fernandez-Borda R.
Ness Nathan
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