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Lithium depletion boundary, stellar associations, and Gaia
F. J. Galindo-Guil, D. Barrado, H. Bouy +9
Stellar ages are key to improving our understanding of different astrophysical phenomena. However, many techniques to estimate stellar ages are highly model-dependent. The lithium…
Discovery and characterisation of detached M-dwarf eclipsing binaries in the WFCAM Transit Survey
J. L. Birkby, S. V. Nefs, S. T. Hodgkin +17
We report the discovery of 16 detached M-dwarf eclipsing binaries with J<16 mag and provide a detailed characterisation of three of them, using high-precision infrared light curves…
Four ultra-short period eclipsing M-dwarf binaries in the WFCAM Transit Survey
S. V. Nefs, J. L. Birkby, I. A. G. Snellen +16
We report on the discovery of four ultra-short period (P<0.18 days) eclipsing M-dwarf binaries in the WFCAM Transit Survey. Their orbital periods are significantly shorter than of…
Magnetic activity and accretion on FU Tau A: Clues from variability
Aleks Scholz, Beate Stelzer, Grainne Costigan +5
FU Tau A is a young very low mass object in the Taurus star forming region which was previously found to have strong X-ray emission and to be anomalously bright for its spectral ty…