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Figure 1: Color-magnitude diagram (B-V vs. MV) for all stars contained in CNS4 catalog. |
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Figure 2: Color-magnitude diagram (B-V vs. MV) for all X-ray detected stars listed in the NEXXUS data base. |
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Figure 3:
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Figure 4:
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Figure 5:
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Figure 6: X-ray luminosity vs. absolute magnitude MV for the nearby main-sequence stars; plusses denote F/G-type stars, asterisks K-type stars and crosses M-type stars. Note the absence of solar-like stars with X-ray luminosities of 1026 erg/s and below. |
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Figure 7: Mean X-ray surface flux vs. absolute magnitude MV for the nearby main-sequence stars; plusses denote F/G-type stars, asterisks K-type stars and crosses M-type stars. Note the lower limit of about 104 erg/cm2/s of observed X-ray surface flux. |
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Figure 8: Cumulative distribution function of the mean X-ray surface fluxes for F/G-type stars (stepped curve), K-type stars (dotted stepped curve) and M-type stars (dashed stepped curve). Note the close resemblance of the curves with indistinguishable mean and minimum. |
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Figure 9: Comparison of X-ray count rates for sample stars detected both in the all-sky survey and the PSPC pointing program; dashed lines indicate a factor 2 variation from unity and stars with large deviations from regression line are identified. |
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Figure 10: Comparison of X-ray count rates for all NEXXUS stars detected in the PSPC pointing program with and without boron filter; stars with large deviations from regression line are identified. |
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Figure 11: Comparison of X-ray count rates for all NEXXUS stars detected both in the PSPC and HRI pointing program; stars with large deviations from regression line are identified. |
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Figure 12:
X-ray light curve for ![]() ![]() ![]() |
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Figure 13:
X-ray light curve for ![]() ![]() ![]() |
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Figure 14: X-ray light curve for Gl 86 in May/June 1993. |
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