Comparing the Ca II H and K Emission Lines in Red Giant Stars

@inproceedings{RyonComparingTC,
  title={Comparing the Ca II H and K Emission Lines in Red Giant Stars},
  author={Jenna Ryon and Matthew D. Shetrone}
}
  • Jenna Ryon, Matthew D. Shetrone
Measurements of the asymmetry of the emission peaks in the core of the Ca II H line for 105 giant stars are reported. The asymmetry is quantified with the parameter V /R, defined as the ratio between the maximum number of counts in the blueward peak and the redward peak of the emission profile. The Ca II H and K emission lines probe the differential motion… CONTINUE READING