SIMBAD references

1999A&AS..138...87C - Astron. Astrophys., Suppl. Ser., 138, 87-99 (1999/July-0)

Classification of EUV stellar sources detected by the ROSAT WFC. I. Photometric and radial velocity studies.

CUTISPOTO G., PASTORI L., TAGLIAFERRI G., MESSINA S. and PALLAVICINI R.

Abstract (from CDS):

We present the results of high-precision UBV(RI)c photometric observations and of spectroscopic radial velocity measurements obtained at the European Southern Observatory for a sample of 51 cool stars detected in the EUV by the ROSAT Wide Field Camera (WFC). Using also recent results from HIPPARCOS, we infer spectral types and investigate the single or binary nature of the sample stars. Optical variability, with periods in the 0.4-13 day range, has been detected for the first time in 15 of these stars.

Abstract Copyright: ∼

Journal keyword(s): stars: activity - stars: late-type - stars: pre-main sequence - stars: variables - X-rays: stars

VizieR on-line data: <Available at CDS (J/A+AS/138/87): table1.dat table2.dat table5.dat lcurves.dat dcurves.dat average.dat phot.dat figures.dat fig/*>

Simbad objects: 53

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