Differences in the O7+/O6+ ratio of magnetic cloud and non-cloud coronal mass ejections

Geophysical Research Letters

Volumn 25, Issue 18, 1998, Pages 3465-3468

  Henke, T ^a   Woch, J ^a   Mall, U ^a   Livi, S ^a   Wilken, B ^a   Schwenn, R ^a   Gloeckler, G ^b   Von Steiger, R ^c   Forsyth, R J ^d   Balogh, A ^d  

^a MAX PLANCK INSTITUT FÜR SONNENSYSTEMFORSCHUNG   (Germany)

^b UNIVERSITY OF MARYLAND   (United States)

^c INTERNATIONAL SPACE SCIENCE INSTITUTE   (Switzerland)

^d IMPERIAL COLLEGE LONDON   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

ATMOSPHERIC COMPOSITION; ATMOSPHERIC STRUCTURE; MAGNETIC FIELDS; MAGNETOMETERS; SOLAR RADIATION; SOLAR SYSTEM; SPECTROMETERS; SOLAR WIND;

CORONAL MASS EJECTIONS (CME); MAGNETIC CLOUDS; SOLAR WIND STREAMS;

EXTRATERRESTRIAL ATMOSPHERES; MAGNETISM;

SOLAR ACTIVITY;

CHARGE STATE; CORONAL MASS EJECTION; FAST SOLAR WINDS; JUPITERS; MAGNETIC CLOUDS; MAGNETIC FIELD TOPOLOGY; POSSIBLE MECHANISMS; ULYSSES SPACECRAFT;

EID: 0032531350     PISSN: 00948276     EISSN: None     Source Type: Journal    
DOI: 10.1029/98GL02632     Document Type: Article

References (18)

1. Balogh, A., Beek, T. J., Forsyth, R. J., Hedgecock, P. C., Marquedant, R. J., Smith, E. J., Southwood, D. J., Tsurutani, B. T., The magnetic field investigation on the Ulysses mission - Instrumentation and preliminary scientific results, Astron. Astrophys. Suppl. Ser., 92, 221-236, 1992
2. Bothmer, V., Schwenn, R., Signatures of fast GMEs in interplanetary space, Adv. Space Res., 77, 319-322, 1996
3. Bürgi, A., Effects of non-maxwellian electron velocity distribution functions and non-spherical geometry on minor ions in the solar wind, J. Geophys. Res., 92, 1057-1066, 1997
4. Burlaga, L. F., Magnetic clouds, in Physiks of the Inner Heliosphere II, edited by R. Schwerin and E. Marsch, pp. 1-19, Springer-Verlag, Berlin, 1991
5. Ciaravella, A., Peres, G., Maggio, A., Serio, S., Loop modeling of coronal x-ray spectra, Astron. Astrophys, 306, 553-562, 1996
6. Galvin, A. B., Gloeckler, G., Ipavich, F. M., Shafer, C. M., Geiss, J., Ogilvie, K., Solar wind ion composition measurements by the Ulysses SWICS experiment during transient solar wind flows, Adv. Space Res., Vol. 13, No. 6, (6)75-(6)78, 1993
7. Galvin, A. B., Minor ion composition in CME-related solar wind, in Coronal Mass Ejections, Geophysical Monograph 99, edited by N. Crooker, J. A. Joslelyn and J. Feynman, pp. 253-260, 1997
8. Gloeckler, G., Geiss, J., Balsiger, H., Bedini, P., Cain, J. C., Fisher, J., Fisk, L. A., Galvin, A. B., Gliem, F., Hamilton, D. C., The solar wind ion composition spectrometer, Astron. Astrophys. Suppl. Ser., 92, 267-289, 1992
9. Gosling J. T., Coronal mass ejections and magnetic flux ropes in interplanetary space, Geophysical Monograph 58, 343-363, 1990
10. Gosling, J. T.; Riley, P.; McComas, D. J.; Pizzo, V. J., Overexpanding coronal mass ejections at high heliographic latitudes: Observations and simulations, J. Geophys. Res., Vol. 103, No. A2, 1941-1954, 1998
11. Hammond, C. M., Phillips, J. L., Crawford, G. K., Balogh, A., The relationship between electron density and temperature inside coronal mass ejections, Solar Wind Eight, edited by D. Winter-halter, J. T. Gosling, S. R. Habbal, W. S. Kurth, M. Neugebauer, pp. 558-561, 1996
12. Hundhausen, A. J., Gilbert, H. E., Bame, S. J., Ionization state of the interplanetary plasma, J. Geophys. Res., 73, 5485-5493, 1968
13. Klimchuk, J. A., Gary, D. E., A comparison of active region temperatures and emission measures observed in soft x-rays and microwaves and implications for coronal heating, Astrophysical Journal, 448, 925-937, 1995
14. Ko, Y.-K., Fisk, L. A., J., Gloeckler, G., Geiss, J., Limitations on suprathermal tails of electrons in the lower solar corona, Geophys. Res., Lett., 23, 2785-2788, 1996
15. Owocki, S. P., Scudder, J. D., The effect of a non-maxwellian electron distribution on oxygen and iron ionization balances in then solar wind, Ap. J., 270, 758-768, 1983
16. Phillips, J. L., Coronal mass ejections encountered by the Ulysses spacecraft during the in-ecliptic mission phase, Los Alamos pre-print no. LA-UR-97-1087, 1997
17. Scudder, J. D., On the causes of temperature change in inhomogeneous low-density astrophysical plasmas, Astrophysical Journal, 395, 299-318, 1992
18. von Steiger, R., Geiss, J., Gloeckler, G., Composition of the solar wind, in Cosmic winds and the heliosphere, edited by J. R. Jokipii, C. P. Sonett, and M. S. Giampapa, University of Arizona Press, Tucson, 1997