The activity of the F9 giant and processes in the Capella binary system

Details The activity of the F9 giant and processes in the Capella binary system The activity of the F9 giant and processes in the Capella binary system

Jul 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998arep...42..485k&link_type=abstract

Astronomy Reports, Volume 42, Issue 4, July 1998, pp.485-493

Astronomy and Astrophysics

Astronomy

4

Scientific paper

Observations of Capella in the He I 10 830 Angstrom line obtained at the Crimean Astrophysical Observatory since 1980 are analyzed. These observations reveal for the first time asymmetrical profiles of this line, and enable identification of a weak broad component belonging to the active F9 giant. The main absorption in the He I 10 830 Angstrom line is formed in the vicinity of the quiescent G6 giant, and varies with the 104-day orbital period. It also displays long-term variability on a timescale of more than five years. The equivalent widths of the broad component vary with a period of 8.25 days, which is similar to the rotational period of the F9 giant. Physical models for the manifestation of activity in the binary system that can explain the complicated behavior of the helium line are discussed.

Affiliated with

Also associated with

No associations

Rating

The activity of the F9 giant and processes in the Capella binary system does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with The activity of the F9 giant and processes in the Capella binary system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and The activity of the F9 giant and processes in the Capella binary system will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1344238