SIMBAD references

1998A&AS..128...29P - Astron. Astrophys., Suppl. Ser., 128, 29-33 (1998/February-2)

X-ray/optical observations of stars with shallow convection zones (A8-G2 V).

PITERS A.J.M., VAN PARADIJS J. and SCHMITT J.H.M.M.

Abstract (from CDS):

We present Walraven photometry and ROSAT All-Sky Survey data for a sample of 173 bright main-sequence stars with spectral types between A8V and G2V. These observations are part of a study of the onset of magnetic surface activity along the main sequence. Values for the effective temperature, surface gravity and interstellar reddening have been obtained from a comparison of the observed Walraven colours with theoretical values. These parameters have been used to derive accurate X-ray surface flux densities.

Abstract Copyright: ∼

Journal keyword(s): stars: activity - fundamental parameters - X-rays: stars

VizieR on-line data: <Available at CDS (J/A+AS/128/29): table1 table2 table5>

Simbad objects: 179

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