Frank Bethune McDonald

1959-1989 NASA Goddard Space Flight Center, MD, United States 
High Energy Astrophysics
"Frank Bethune McDonald"

(1925 - 2012)

Mean distance: (not calculated yet)


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Edward Purdy Ney grad student 1955 UMN
 (A cloud-chamber scintillation counter determination of the flux of primary cosmic ray alpha particles.)


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Peter Serlemitsos grad student 1965 University of Maryland (Astronomy Tree)
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Webber WR, McDonald FB, Cummings AC, et al. (2015) Sudden intensity increases and radial gradient changes of cosmic ray MeV electrons and protons observed at Voyager 1 beyond 111 AU in the heliosheath Geophysical Research Letters. 39
Stone EC, Cummings AC, McDonald FB, et al. (2013) Voyager 1 observes low-energy galactic cosmic rays in a region depleted of heliospheric ions. Science (New York, N.Y.). 341: 150-3
McDonald FB, Webber WR, Stone EC, et al. (2013) Galactic cosmic rays in the distant heliosphere Aip Conference Proceedings. 1516: 85-88
Webber WR, McDonald FB. (2013) Recent Voyager 1 data indicate that on 25 August 2012 at a distance of 121.7 AU from the Sun, sudden and unprecedented intensity changes were observed in anomalous and galactic cosmic rays Geophysical Research Letters. 40: 1665-1668
Burlaga LF, Ness NF, Stone E, et al. (2011) Voyager observations of magnetic fields and cosmic rays in the heliosheath Journal of Geophysical Research: Space Physics. 116
Caballero-Lopez RA, Moraal H, McDonald FB. (2010) The Modulation of Galactic Cosmic-ray Electrons in the Heliosheath The Astrophysical Journal. 725: 121-127
McDonald FB, Webber WR, Reames DV. (2010) Unusual time histories of galactic and anomalous cosmic rays at 1 AU over the deep solar minimum of cycle 23/24 Geophysical Research Letters. 37
Burlaga LF, Ness NF, Acuña MH, et al. (2009) Observations Of The Heliosheath And Solar Wind Near The Termination Shock By Voyager 2 The Astrophysical Journal. 692: 1125-1130
Webber WR, Cummings AC, McDonald FB, et al. (2009) Transient intensity changes of cosmic rays beyond the heliospheric termination shock as observed at Voyager 1 Journal of Geophysical Research: Space Physics. 114
Stone EC, Cummings AC, McDonald FB, et al. (2008) An asymmetric solar wind termination shock. Nature. 454: 71-4
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