Coronal Temperature as an Age Indicator

Details Coronal Temperature as an Age Indicator Coronal Temperature as an Age Indicator

2008-03-26

arxiv.org/abs/0803.3813v1

J.Korean Astron.Soc.41:1,2008

Astronomy and Astrophysics

Astrophysics

6 pages, 2 figures, typo in published paper: Sana et al. (2006) should be changed as Sana et al. (2007)

Scientific paper

The X-ray spectra of late type stars can generally be well fitted by a two temperature component model of the corona. We fnd that the temperature of both components are strong functions of stellar age, although the temperature of the hotter plasma in the corona shows a larger scatter and is probably affected by the activity of stars, such as flares. We confirm the power-law decay of the temperature of the hot plasma, but the temperature of the cool component decays linearly with log (age).

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