The helium isotopic ratio in the solar wind and ion fractionation in the corona by inefficient Coulomb drag

Astronomy and Astrophysics

Volumn 337, Issue 3, 1998, Pages 921-927

  Bodmer, Roland ^a,b   Bochsler, Peter ^a  

^a UNIVERSITY OF BERN   (Switzerland)

^b MAX PLANCK INSTITUT FÜR SONNENSYSTEMFORSCHUNG   (Germany)

Author keywords

Interplanetary medium; Solar wind; Sun: abundances; Sun: corona

Indexed keywords

EID: 0009822592     PISSN: 00046361     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (18)

1. 3He in the solar wind - a constraint for models of solar evolution. Solar Physics 128, 203-215
2. Bochsler P., Gonin M., Sheldon R.B. et al.: 1996, Abundance of solar wind magnesium isotopes determined with WIND/MASS. In: Solar Wind Eight. Proceedings of the Eighth International Solar Wind Conference, Winterhalter, D., Gosling J.T., Habbal S.R., Kurth W.S., and Neugebauer M. (eds.) AIP Conference Proceedings 382. Woodbury, N.Y., 199-202
3. Bodmer R.: 1996, The helium isotopic ratio as a test for minor ion fractionation in the solar wind acceleration process: SWICS/ULYSSES data compared with results from a multifluid model. Thesis. University of Bern
4. Borrini G., Gosling J.T., Bame S.J., Feldman W.C., and Wilcox J.M.: 1981, Solar wind helium and hydrogen structure near the heliospheric current sheet: A signal of coronal streamers at 1AU, J. Geophys. Res. 86, 4565-4573
5. Bürgi A. and Geiss J.: 1986, Helium and minor ions in the corona and solar wind: Dynamics and charge states Solar Physics 103, 347-383
6. Geiss J. and Bochsler P.: 1991, Long time variations in solar wind properties: Possible causes versus observations. In: The Sun in Time, Sonett C.P., Giampapa M.S., and Matthews M.S. (eds.) pp. 98-117. Univ. Arizona Press, Tucson, Arizona
7. Geiss J., Bühler F., Cerutti H., Eberhardt P., and Filleux C.: 1972, Solar wind composition experiment Apollo 16, Prelim. Sci. Rep. NASA SP-315, 14.1-14.10
8. Geiss J., Hirt P., and Leutwyler H.: 1970, On acceleration and motion of ions in corona and solar wind, Solar Physics 12, 458-483.
9. Geiss J., and Reeves H.: 1972, Cosmic and solar system abundances of deuterium and helium-3, Astron. Astrophys. 18, 126-132.
10. Gloeckler G., and Geiss J.: 1998, Measurement of the abundance of Helium-3 in the Sun and in the local interstellar cloud with SWICS on Ulysses. In: Proceedings of the ISSI workshop on the local interstellar medium, Bern 1997, in press
11. Gloeckler G., Geiss J., Balsiger H. et al.: 1983, The ISPM solar-wind ion composition spectrometer, ESA SP-1050, 75-103
12. Hansteen V.H., Leer E., and Holzer T.E.: 1994, Coupling of the coronal helium abundance to the solar wind, Astrophys. J. 428, 843-853
13. Hansteen V.H., Leer E., and Holzer T.E.: 1997, The role of helium in the outer solar atmosphere. Astrophys. J. 482, 498-509
14. Kallenbach R., Ipavich F.M., Bochsler P. et al.: 1997, Isotopic composition of solar wind neon measured by CELIAS/MTOF on board SOHO, J. Geophys. Res. 102, 26895-26904
15. Kucharek H., Ipavich F.M., Kallenbach R. et al., 1998, Magnesium isotopic composition as observed with the MTOF sensor of the CELIAS experiment on the SOHO spacecraft, submitted to J. Geophys. Res.
16. Marsch E., von Steiger R. and Bochsler P.: 1995, Element fractionation by diffusion in the solar chromosphere. Astron. Astrophys. 301, 261-276
17. Peter H.: 1996, Velocity-dependent fractionation in the solar chromosphere. Astron. Astrophys. 312, L37-L40.
18. Von Steiger R., and Geiss J.: 1989, Supply of fractionated gases to the corona. Astron. Astrophys. 225, 222-238