1. INTRODUCTION 2. OBSERVATIONS AND DATA REDUCTION
The IRAS data base also contains detec- tions of Vega-like disks around red giant stars that have developed from A and F-type main-sequence stars (Plets et ...
Anomalous Spectral Types and Intrinsic Colors of Young StarsIn this review, we focus on ?Solar-type? stars defined as cool main-sequence dwarfs located below the red edge of the classical instability ... DUst around NEarby Stars. The survey observational results ...By deriving the relationship between the peak dust temperature (Td) and redshift, where Td increases linearly from ?20 K at z = 0.5 to ?50 K at z = 5, we ... THE A-TYPE STARS: - NASA Technical Reports Server (NTRS)Sun: Teff,? ? 5770 K. ? Typical values for other main sequence stars : ? from ? 2 200 K for the coolest red dwarf stars. ? to up ...
Autres Cours: