The corona of a fully convective star with a near-polar flare

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Volume 687 (July 2024)

A&A, 687 (2024) A138

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Table 2

XSPEC fits to EPIC spectra for different subsets of observations.

	Full data set	Quiescent	Flaring
L_x (10²⁶ erg s⁻¹)	5.5[0.3]	4.6[0.6]	14.1[1.0]
F_x (10⁻¹⁴ erg s⁻¹ cm⁻²)	2.5[0.1]	2.0[0.3]	6.3[0.4]
T_cool (MK)	${3.3}_{- 0.4}^{0.3}$ $\[3.3_{-0.4}^{0.3}\]$	${3.2}_{- 0.3}^{0.2}$ $\[3.2_{-0.3}^{0.2}\]$	${3.4}_{- 0.4}^{0.3}$ $\[3.4_{-0.4}^{0.3}\]$
T_hot (MK)	${13.1}_{- 1.4}^{2.0}$ $\[13.1_{-1.4}^{2.0}\]$	${12.4}_{- 1.5}^{1.8}$ $\[12.4_{-1.5}^{1.8}\]$	${13.1}_{- 1.3}^{1.6}$ $\[13.1_{-1.3}^{1.6}\]$
10⁶ norm_cool	${8.0}_{- 1.1}^{1.0}$ $\[8.0_{-1.1}^{1.0}\]$	${7.2}_{- 0.8}^{0.8}$ $\[7.2_{-0.8}^{0.8}\]$	${7.5}_{- 3.2}^{3.1}$ $\[7.5_{-3.2}^{3.1}\]$
10⁶ norm_hot	${6.6}_{- 0.9}^{0.9}$ $\[6.6_{-0.9}^{0.9}\]$	${3.9}_{- 0.7}^{0.8}$ $\[3.9_{-0.7}^{0.8}\]$	${32.5}_{- 5.5}^{6.5}$ $\[32.5_{-5.5}^{6.5}\]$
log₁₀ EM_cool (cm⁻³)	49.3[0.1]	49.2[0.1]	49.2[0.2]
log₁₀ EM_hot (cm⁻³)	49.2[0.1]	48.9[0.1]	49.9[0.1]
T_mean (MK)	7.8[0.9]	6.5[0.8]	11.3[1.4]

Notes. Fluxes and luminosities are given in the 0.2–2 keV band.

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