VizieR Online Data Catalog: Chromospheric Mg II h+k flux of evolved stars (Perez+, 2011)
Abstract
Of a total of 177 cool G, K and M giants and supergiants, we measured the MgII h+k line emission of extended chromospheres in high-resolution (LWR) International Ultraviolet Explorer (IUE) spectra by using the IUE final data archive at the Space Telescope Science Institute (STScI) and derived the respective stellar surface fluxes. They represent the chromospheric radiative energy losses presumably related to basal heating by the dissipation of acoustic waves, plus a highly variable contribution due to magnetic activity.
(1 data file).- Publication:
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VizieR Online Data Catalog
- Pub Date:
- January 2012
- Bibcode:
- 2012yCat..74140418P
- Keywords:
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- Stars: late-type;
- Stars: giant;
- Stars: supergiant;
- Effective temperatures