Dynamical masses of M-dwarf binaries in young moving groups. I. The case of TWA 
22 and GJ 2060

Rodet, L.; Bonnefoy, M.; Durkan, S.; Beust, H.; Lagrange, A. -M.; Schlieder, J. E.; Janson, M.; Grandjean, A.; Chauvin, G.; Messina, S.; Maire, A. -L.; Brandner, W.; Girard, J.; Delorme, P.; Biller, B.; Bergfors, C.; Lacour, S.; Feldt, M.; Henning, T.; Boccaletti, A.; Le Bouquin, J. -B.; Berger, J. -P.; Monin, J. -L.; Udry, S.; Peretti, S.; Segransan, D.; Allard, F.; Homeier, D.; Vigan, A.; Langlois, M.; Hagelberg, J.; Menard, F.; Bazzon, A.; Beuzit, J. -L.; Delboulbé, A.; Desidera, S.; Gratton, R.; Lannier, J.; Ligi, R.; Maurel, D.; Mesa, D.; Meyer, M.; Pavlov, A.; Ramos, J.; Rigal, R.; Roelfsema, R.; Salter, G.; Samland, M.; Schmidt, T.; Stadler, E.; Weber, L.

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Dynamical masses of M-dwarf binaries in young moving groups. I. The case of TWA 22 and GJ 2060

Rodet, L., Bonnefoy, M., Durkan, S., Beust, H., Lagrange, A.-.-M., Schlieder, J. E., et al. (2018). Dynamical masses of M-dwarf binaries in young moving groups. I. The case of TWA 22 and GJ 2060. Astronomy and Astrophysics, 618.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0005-CB74-4 Version Permalink: https://hdl.handle.net/21.11116/0000-0005-CB75-3

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https://ui.adsabs.harvard.edu/abs/2018A&A...618A..23R (Any fulltext) Open Access status unknown

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Rodet, L.¹, Author
Bonnefoy, M.¹, Author
Durkan, S.¹, Author
Beust, H.¹, Author
Lagrange, A. -M.¹, Author
Schlieder, J. E.¹, Author
Janson, M.¹, Author
Grandjean, A.¹, Author
Chauvin, G.¹, Author
Messina, S.¹, Author
Maire, A. -L.¹, Author
Brandner, W.¹, Author
Girard, J.¹, Author
Delorme, P.¹, Author
Biller, B.¹, Author
Bergfors, C.¹, Author
Lacour, S.¹, Author
Feldt, M.¹, Author
Henning, T.¹, Author
Boccaletti, A.¹, Author
Le Bouquin, J. -B.¹, AuthorBerger, J. -P.¹, AuthorMonin, J. -L.¹, AuthorUdry, S.¹, AuthorPeretti, S.¹, AuthorSegransan, D.¹, AuthorAllard, F.¹, AuthorHomeier, D.¹, AuthorVigan, A.¹, AuthorLanglois, M.¹, AuthorHagelberg, J.¹, AuthorMenard, F.¹, AuthorBazzon, A.¹, AuthorBeuzit, J. -L.¹, AuthorDelboulbé, A.¹, AuthorDesidera, S.¹, AuthorGratton, R.¹, AuthorLannier, J.¹, AuthorLigi, R.¹, AuthorMaurel, D.¹, AuthorMesa, D.¹, AuthorMeyer, M.¹, AuthorPavlov, A.¹, AuthorRamos, J.¹, AuthorRigal, R.¹, AuthorRoelfsema, R.¹, AuthorSalter, G.¹, AuthorSamland, M.¹, AuthorSchmidt, T.¹, AuthorStadler, E.¹, AuthorWeber, L.¹, Author more..

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1Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners, ou_2421692

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Free keywords: techniques: high angular resolution binaries: visual astrometry stars: low-mass stars: pre-main sequence stars: individual: TWA 22 stars: individual: GJ 2060 Astrophysics - Solar and Stellar Astrophysics Astrophysics - Earth and Planetary Astrophysics

Abstract: Context. Evolutionary models are widely used to infer the mass of stars, brown dwarfs, and giant planets. Their predictions are thought to be less reliable at young ages (< 200 Myr) and in the low-mass regime (< 1 M_☉). GJ 2060 AB and TWA 22 AB are two rare astrometric M-dwarf binaries, respectively members of the AB Doradus (AB Dor) and Beta Pictoris (β Pic) moving groups. As their dynamical mass can be measured to within a few years, they can be used to calibrate the evolutionary tracks and set new constraints on the age of young moving groups.
Aims: We provide the first dynamical mass measurement of

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Dates: Date issued: 2018

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Title: Astronomy and Astrophysics

Source Genre: Journal

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Pages: - Volume / Issue: 618 Sequence Number: - Start / End Page: - Identifier: -