机译:Silicate emission in the TW Hydrae association
Univ Cincinnati, Dept Phys, Cincinnati, OH 45221, USA, .;
Stars : individual (tw hydrae; hr 4796a; hd 98800); Stars : pre-main-sequence; Techniques : spectroscopic; Circumstellar disk; Beta-pictoris; Spectra; Comets; Spectroscopy; Grains; Stars; Cloud;