30 DENIS late-M dwarfs between 15 and 30pc (Phan-Bao+, 2001)

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Stars: Nearby, Stars: M-Type, Photometry: Infrared, Proper Motions

Scientific paper

We present 30 new nearby (d<30pc) red dwarf candidates, with estimated spectral types M6 to M8. 26 were directly selected from the DENIS database (), and another 4 were first extracted from the LHS catalogue () and cross-identified with a DENIS counterpart. Their proper motions were measured on the MAMA measuring machine from plates spanning 13 to 48 years, and are larger than 0.1arcsec/yr, ruling out the possibility that they are giants. Their distances were estimated from the DENIS colours and IR colour-magnitude relations and range between 15 and 30pc.
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