Table 1
Astronomical parameters and UV/X-ray fluxes of the sample.
| Source | RA (hh:mm:ss) | Dec (dd:mm:ss) | Parallax (mas) | D (pc) | Chem | NUV (μJy) | FUV (μJy) | X-ray (erg cm−2 s−1) |
|---|---|---|---|---|---|---|---|---|
| T Dra | 17 56 23 | +58 13 07 | 1.02 ± 0.08 | 980 ± 80 | C | 30 | 8 | 3.6e-13 (a) |
| EY Hya | 08 46 21 | +01 37 56 | 2.34 ± 0.07 | 427 ± 7 | O | 110 | 80 | 4.9e-13 (a) |
| VY Uma | 104504 | +67 24 41 | 2.38 ± 0.08 | 420 ± 14 | C | 140 | 8 | <4.8e-13 (b) |
| V Eri | 04 04 19 | −15 43 30 | 3.35 ± 0.16 | 298 ± 14 | O | 100 | 70 | <1.2e-14 (b) |
Notes. Column (1): name, Col. (2): right ascension, Col. (3): declination, Col. (4): Gaia DR3 parallax, Col. (5): Gaia DR3 distance, Col. (6): chemical type, Col (7): time-averaged GALEX NUV flux, Col. (8): time-averaged GALEX FUV flux, Col. (9): X-ray flux: (a) are X-ray fluxes obtained in the energy range (0.3-10.0 keV) from Ortiz & Guerrero (2021) and (b) are upper limits (1σ) X-ray fluxes obtained in the energy range (0.2-12.0 keV) from The RapidXMM upper limit server (Ruiz et al. 2022).
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