CAOSP abstracts, Volume: 29, No.: 2, year: 1999
- Author(s): ALTROCK, R.C.; RYBANSKY, M.; MINAROVJECH, M.; RUSIN, V.
- Journal: Contributions of the Astronomical Observatory Skalnate Pleso,
vol. 29, no. 2, p. 105-110.
- Date: 10/1999
- Title: Coronal index of solar activity for 1998
- Keyword(s): GREEN CORONA, SOLAR ACTIVITY, CYCLE MAXIMUM
- Pages: 105 -- 110
We present the Fe XIV 530.3 nm (green line) coronal index (CI) of solar
activity for 1998. A systematic increase of CI was observed from January to
October 1998. Toward the end of the year the rate of increase slowed
remarkably. A comparison of CI with similar indices of solar activity (2800
MHz radio flux, the Wolf sunspot number and the SUSIM Mg II index) shows a good
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