Universität zu Köln

Efimov, A. I., Lukanina, L. A., Chashei, I. V., Bird, M. K., Paetzold, M. and Wexler, D. (2018). Velocity of the Inner Solar Wind from Coronal Sounding Experiments with Spacecraft. Cosmic Res., 56 (6). S. 405 - 411. NEW YORK: MAIK NAUKA/INTERPERIODICA/SPRINGER. ISSN 1608-3075

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Abstract

Measurement results are presented for the velocity of density irregularities in solar wind plasma, which modulate the frequency of coherent radio signals from the Galileo spacecraft in the S-band. The measurements have been performed by the spaced receiving technique at ground monitoring stations. The data cover a range of heliocentric distances from 7 to 72 solar radii at low heliolatitudes near solar minimum. It is shown that acceleration of slow solar wind continues up to distances of about 30 solar radii. In the overlapping ranges of distances from the Sun, the results are qualitatively consistent with LASCO SOHO data for the same periods, with the previous results obtained by analyzing the amplitude fluctuations of signals from the Venera 15 and 16 spacecraft, and with the more recent measurements acquired using the Mars Express spacecraft.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Efimov, A. I. UNSPECIFIED UNSPECIFIED UNSPECIFIED Lukanina, L. A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Chashei, I. V. UNSPECIFIED UNSPECIFIED UNSPECIFIED Bird, M. K. UNSPECIFIED UNSPECIFIED UNSPECIFIED Paetzold, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Wexler, D. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-166770
DOI:	10.1134/S0010952518060023
Journal or Publication Title:	Cosmic Res.
Volume:	56
Number:	6
Page Range:	S. 405 - 411
Date:	2018
Publisher:	MAIK NAUKA/INTERPERIODICA/SPRINGER
Place of Publication:	NEW YORK
ISSN:	1608-3075
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language HELIOLATITUDINAL DEPENDENCE; ACCELERATION; TURBULENCE Multiple languages Engineering, Aerospace; Astronomy & Astrophysics Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/16677