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Table 7

X-ray and radio data of the literature sample retrieved as explained in Sect. 2.

Name Instr(1) ƒx,Lit Refxray(2) CF0.2–2.0 ƒx,0.2–2.0 log Lx X-ray(2) log LR,V Refradio (2) logLR,vburst $\log L_{{\rm{R}},v}^{{\rm{burst }}}$ Radio(2)
(×10−14 erg cm−2 s−1) (×10−11 erg cm−2 cnt−1) (×10−14erg cm−2 s−1) (erg s−1) flares (erg s−1 Hz−1) (erg s−1 Hz−1 ) bursts
2MJ0036 C <0.100.2–8.0 B05 3.54 <0.79 <25.86 .. 13.4 Bur05 13.8 B02
2MJ0523 C <0.080.2–2.0 B10 3.84 <0.90 <26.24 .. <13.0 Ant07 13.7 B06
2MJ0602 C <0.080.2–2.0 B10 3.84 <0.90 <26.17 .. <12.8 B10 ..
2MWJ1507 C <0.100.2–2.0 B05 3.84 <0.85 <25.75 .. <12.6 B02 ..
BRI0021-0214 C <0.080.2–2.0 B10 3.84 <0.90 <26.22 .. 12.6 B02 13.8 B02
DENIS J1048 X 0.660.6–10.0 St12 0.18 0.21 24.62 .. 12.3 Rav11 14.8 Bur05
Gl 569 B C 0.550.3–1.2 St04 8.8 10.56 27.08 St04 <12.5 B06 ..
Kelu 1 C 0.070.1–10.0 Au07 .. 0.06 25.45 .. <12.8 Au07 ..
LHS2065 X 2.920.3–8.0 R08 .. 6.46 26.76 SL02 <12.8 B02 ..
LP 349-25 C 0.320.2–2.0 W14 .. 0.32 25.88 W14 14.0 PB07 ..
LP 412-31 X 6.230.5–10.0 St06 0.17 188.26 27.25 St06 <12.8 B10 ..
LP 944-20 C <0.030.1–4.0 Ru00 3.54 <0.42 <25.32 Ru00 12.3 B06 13.9 B06
LSR J1835 C <0.080.2–2.0 B08 3.84 <0.95 <25.56 .. 13.3 B06 14.0 Hal08
TVLM513 C 0.630.3–2.0 B08 4.11 1.11 26.18 .. 13.4 B02 14.9 B08
vB 10 R 0.420.1–2.4 F00 2.22 0.40 25.22 F03 <12.6 Kri99 ..
vB 8 R 15.770.1–2.4 F93 0.54 16.71 26.92 T90 <12.1 Kri99 ..

Notes. We show the X-ray instrument, the X-ray flux and its reference (from Cols. 2–4), the conversion factor used to calculate the flux in the 0.2–2.0 keV energy band used in this work (Cols. 5 and 6), the X-ray luminosity (Col. 7), with the reference of detected X-ray flares (Col. 8) and the quiescent and bursting radio luminosities with their reference (from Cols. 9–12). (1)XMM-Newton: X; ROSAT: R; Chandra: C, (2)Ant07: Antonova et al. (2007); Au07: Audard et al. (2007); B02: Berger (2002); B05: Berger et al. (2005); B06: Berger (2006); B08: Berger et al. (2008); B10: Berger et al. (2010); Bur05: Burgasser & Putman (2005); F93: Fleming et al. (1993); F00: Fleming et al. (2000); F03: Fleming et al. (2003); Hal08: Hallinan et al. (2008); Kri99: Krishnamurthi et al. (1999); PB07: Phan-Bao et al. (2007); R08: Robrade & Schmitt (2008); Rav11: Ravi et al. (2011); Ru00: Rutledge et al. (2000); St04: Stelzer (2004); St06: Stelzer et al. (2006); St12: Stelzer et al. (2012); SL02: Schmitt & Liefke (2002); T90: Tagliaferri et al. (1990); W14: Williams et al. (2014).

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