scholarly journals Magnetic Field and Plasma Density Observations of a Pressure Front by Voyager 1 during 2020 in the Very Local Interstellar Medium

2021 ◽  
Vol 911 (1) ◽  
pp. 61
Author(s):  
L. F. Burlaga ◽  
W. S. Kurth ◽  
D. A. Gurnett ◽  
D. B. Berdichevsky ◽  
L. K. Jian ◽  
...  
2021 ◽  
Vol 917 (2) ◽  
pp. L20
Author(s):  
N. V. Pogorelov ◽  
F. Fraternale ◽  
T. K. Kim ◽  
L. F. Burlaga ◽  
D. A. Gurnett

1984 ◽  
Vol 81 ◽  
pp. 145-148 ◽  
Author(s):  
J. Tinbergen

The use of interstellar polarization as a measurement tool for dust or magnetic field presents practical difficulties (dust and magnetic field configurations inextricably mixed up; limited number of suitable stars). This general rule applies even more in the local environment, for which the polarizations are small and the influence of errors of observation changes in character. Because of this, the use of polarimetry and the design of polarimetric observing programmes for the local interstellar medium must be approached with even greater care than in the general case. I propose in this review to amplify this point, so that the reader can judge for himself to what extent he can use published results and can also, given the opportunity and instrumentation, design an observing programme that will really pay off.


2004 ◽  
Vol 604 (2) ◽  
pp. 700-706 ◽  
Author(s):  
V. Florinski ◽  
N. V. Pogorelov ◽  
G. P. Zank ◽  
B. E. Wood ◽  
D. P. Cox

2015 ◽  
Vol 2 ◽  
pp. 9-16 ◽  
Author(s):  
N. A. Schwadron ◽  
P. Frisch ◽  
F. C. Adams ◽  
E. R. Christian ◽  
P. Desiati ◽  
...  

Abstract. The Interstellar Boundary Explorer (IBEX) observes enhanced ~ keV energy Energetic Neutral Atoms (ENAs) from a narrow "ribbon" that stretches across the sky and appears to be centered on the direction of the local interstellar magnetic field. The Milagro collaboration, the Asγ collaboration and the IceCube observatory have made global maps of TeV cosmic rays. This paper provides links between these disparate observations. We develop a simple diffusive model of the propagation of cosmic rays and the associated cosmic ray anisotropy due to cosmic ray streaming against the local interstellar flow. We show that the local plasma and field conditions sampled by IBEX provide characteristics that consistently explain TeV cosmic ray anisotropies. These results support models that place the interstellar magnetic field direction near the center of the IBEX ribbon.


2018 ◽  
Vol 611 ◽  
pp. L5 ◽  
Author(s):  
M. I. R. Alves ◽  
F. Boulanger ◽  
K. Ferrière ◽  
L. Montier

The magnetic field in the local interstellar medium does not follow the large-scale Galactic magnetic field. The local magnetic field has probably been distorted by the Local Bubble, a cavity of hot ionized gas extending all around the Sun and surrounded by a shell of cold neutral gas and dust. However, so far no conclusive association between the local magnetic field and the Local Bubble has been established. Here we develop an analytical model for the magnetic field in the shell of the Local Bubble, which we represent as an inclined spheroid, off-centred from the Sun. We fit the model to Planck dust polarized emission observations within 30° of the Galactic poles. We find a solution that is consistent with a highly deformed magnetic field, with significantly different directions towards the north and south Galactic poles. This work sets a methodological framework for modelling the three-dimensional (3D) structure of the magnetic field in the local interstellar medium, which is a most awaited input for large-scale Galactic magnetic field models.


1997 ◽  
Vol 484 (2) ◽  
pp. 761-778 ◽  
Author(s):  
Ricardo Genova ◽  
John E. Beckman ◽  
Stuart Bowyer ◽  
Thomas Spicer

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