6533b883fe1ef96bd12dcf16

RESEARCH PRODUCT

X-ray emission in cool main sequence stars

S. MessinaN. PizzolatoE.f. GuinanM. Rodon

subject

Astrophysics and AstronomyX ray sourcesStellar AstronomyMagnetic fieldsPhysicsLate type starsX-ray sourcesAstrophysical ProcessesNatural SciencesLate-type starscosmology

description

The maximum amplitude A_max_ of spot-induced brightness variations from long-term V-band photometry and the ratio L_X_/L_bol_ between X-ray and bolometric luminosities are suitable indicators of the level of magnetic activity in the photosphere and in the corona of late-type stars, respectively. By using these activity indicators we investigate the dependence of coronal X-ray emission on the level of photospheric starspot activity in a homogeneous sample of low mass main-sequence field and cluster stars of different ages (IC 2602, IC 4665, IC 2391, {alpha} Per, Pleiades and Hyades). Cone search capability for table J/A+A/410/671/table1 (Photometry)

http://doi.org10.26093/cds/vizier.34100671https://doi.org/http://doi.org/10.26093/cds/vizier.34100671