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Issue A&A
Volume 380, Number 1, December II 2001
Page(s) 148 - 150
Section Formation, structure and evolution of stars
DOI http://dx.doi.org/10.1051/0004-6361:20011290



A&A 380, 148-150 (2001)
DOI: 10.1051/0004-6361:20011290

Research Note
The trigonometric parallax of DENIS-P J104814.7-395606.1

N. R. Deacon and N. C. Hambly

Institute for Astronomy, University of Edinburgh, Blackford Hill, Edinburgh EH9 3HJ, UK
    e-mail: nd@roe.ac.uk

(Received 27 July 2001 / Accepted 7 September 2001)

Abstract
We present a measurement of the trigonometric parallax for a nearby very low mass star recently discovered by Delfosse et al. (2001). Using schmidt plates measured on the SuperCOSMOS plate scanning machine we find a parallax of $\pi = 192\pm37$ mas, giving a distance of d=5.2+1.2-0.8 pc. Using this distance we find the absolute magnitude and kinematics for the object to be consistent with an intermediate-age disk object of mass $0.08 {M}_{\odot}$. This star is clearly nearby and is on these measurements between the 30th and 86th closest known stellar system to the Sun; it could be the closest M 9 dwarf to the Sun.


Key words: astrometry -- stars: low mass -- stars: individual: DENIS 1048-39

Offprint request: N. C. Hambly, n.hambly@roe.ac.uk

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© ESO 2001


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