EDP Sciences
Free Access
Volume 408, Number 3, September IV 2003
Page(s) L29 - L32
Section Letters
DOI https://doi.org/10.1051/0004-6361:20030997
Published online 17 November 2003

A&A 408, L29-L32 (2003)
DOI: 10.1051/0004-6361:20030997


HD 34700: A new T Tauri double-lined spectroscopic binary

A. Arellano Ferro1 and Sunetra Giridhar2

1  Instituto de Astronomía, Universidad Nacional Autónoma de México, Apdo. Postal 70-264, México, DF, CP 04510, México
2  Indian Institute of Astrophysics, Bangalore 560034, India
    e-mail: giridhar@iiap.ernet.in

(Received 14 May 2003 / Accepted 29 June 2003)

We find the star HD 34700 to be a double-lined spectroscopic binary. We also identify it as a weak-line T Tauri object. The spectra of both components are very similar and both show the Li I feature at 6708 Å. Strong arguments in favour of the binary nature of the star as opposed to other possibilities are offered. It is very likely that the companion is also a T Tauri star of similar mass. A projected rotational velocity, $v\sin i$, of 25 and 23 km s -1 has been estimated for the blue and red components. We present a list of the lines identified and the radial velocities of the two components on three spectra obtained on consecutive nights.

Key words: spectroscopic binaries -- T Tauri stars

Offprint request: A. Arellano Ferro, armando@astroscu.unam.mx

SIMBAD Objects
Tables at the CDS

© ESO 2003

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.