Revisiting Hipparcos data for pre-main sequence stars C. Bertout, N. Robichon, Frédéric Arenou To cite this version: C. Bertout, N. Robichon, Frédéric Arenou. Revisiting Hipparcos data for pre-main sequence stars. Astronomy and Astrophysics - A&A, EDP Sciences, 1999, 352, pp.574 - 586. hal-02055066 HAL Id: hal-02055066 https://hal.archives-ouvertes.fr/hal-02055066 Submitted on 8 Mar 2019 HAL is a multi-disciplinary open access L’archive ouverte pluridisciplinaire HAL, est archive for the deposit and dissemination of sci- destinée au dépôt et à la diffusion de documents entific research documents, whether they are pub- scientifiques de niveau recherche, publiés ou non, lished or not. The documents may come from émanant des établissements d’enseignement et de teaching and research institutions in France or recherche français ou étrangers, des laboratoires abroad, or from public or private research centers. publics ou privés. Astron. Astrophys. 352, 574–586 (1999) ASTRONOMY AND ASTROPHYSICS Revisiting Hipparcos data for pre-main sequence stars? C. Bertout1, N. Robichon2,3, and F. Arenou2 1 Institut d’Astrophysique de Paris, 98bis Bd Arago, 75014 Paris, France (
[email protected]) 2 DASGAL, Observatoire de Paris / CNRS UMR 8633, 92195 Meudon CEDEX, France (Noel.Robichon,
[email protected]) 3 Sterrewacht Leiden, Postbus 9513, 2300 RA Leiden, The Netherlands Received 27 July 1999 / Accepted 11 October 1999 Abstract. We cross-correlate the Herbig & Bell and Hippar- indication that YSOs could migrate far away from the region cos Catalogues in order to extract the results for young stellar of their formation on short time-scales. Propositions to explain objects (YSOs).