6533b7d9fe1ef96bd126d666

RESEARCH PRODUCT

The X-ray Luminosity Distributions of the high-metallicity open cluster Blanco 1

Fabio FavataIgnazio PillitteriS. SciortinoGiuseppina Micela

subject

PhysicsStarsSpace and Planetary ScienceK-type main-sequence starMetallicityAstronomyAstronomy and AstrophysicsAstrophysicsPleiadesBlue stragglerOpen clusterLuminosity function (astronomy)Luminosity

description

We present X-ray Luminosity Distributions (XLDs) of late-type members (dF, dG, dK, dM) of the Blanco 1 cluster, based on ROSAT-HRI data and new astrometric-photometric membership obtained from the GSC-II project. For the first time we present the XLD of dM stars of this cluster. The high metallicity of Blanco 1 allows us to investigate the role of chemical composition on the coronal emission of late-type stars. Comparison between X-ray Luminosity Distributions of Blanco 1 and Pleiades, NGC 2516 and α  Per suggests a possible metallicity effect in dM stars.

yearjournalcountryeditionlanguage
2003-02-14Astronomy & Astrophysics
https://doi.org/10.1051/0004-6361:20021818