Detection of Molecular Hydrogen Emission Associated with LkHalpha 264
Astrophysics
2015-06-24 v1
Abstract
We have detected emission of molecular hydrogen from a classical T Tauri star, LkHalpha 264 in the v=1-0 S(1) line at 2.122 micron. The line velocity is coincident with the rest velocity of the star. The line profile is well reproduced by a model in which the line emanates from material in a Keplerian rotating circumstellar disk. Fluorescence by X-ray ionization and shock excitation due to accretion or a low-velocity wind are considered for the emission mechanism of molecular hydrogen.
Keywords
Cite
@article{arxiv.astro-ph/0310314,
title = {Detection of Molecular Hydrogen Emission Associated with LkHalpha 264},
author = {Yoichi Itoh and Koji Sugitani and Katsuo Ogura and Motohide Tamura},
journal= {arXiv preprint arXiv:astro-ph/0310314},
year = {2015}
}
Comments
10 pages. Accepted to PASJ