Spectral Classification of O2-3.5If*/WN5-7 stars
Spectral classification of Pleiades brown dwarf candidates
Spectral classification of the mass donors in the high-mass X-ray binaries EXO 1722-363 and OAO 1657-415
Spectral Classification; Old and Contemporary
Spectral Energy Distributions of Be and Other Massive Stars
Spectral Energy Distributions of Young Stars in IC 348: The Role of Disks in Angular Momentum Evolution of Young, Low-Mass Stars
Spectral Evolution Models for the Next Decade
Spectral Evolution of the Unusual Slow Nova V5558 Sgr
Spectral Inversion of Multi-Line Full-Disk Observations of Quiet Sun Magnetic Fields
Spectral libraries and their uncertainties
Spectral Line Profile Changes Associated with Energetic Solar Transients
Spectral line survey of the ultracompact HII region Mon R2
Spectral Mapping of the Intermediate Polar DQ Herculis
Spectral modeling of circular massive binary systems: Towards an understanding of the Struve--Sahade effect?
Spectral properties of backscattered solar Ly-alpha radiation in the heliosphere: a theoretical search of the heliospheric boundaries effects
Spectral signatures of disk eccentricity in young binary systems: I. Circumprimary case
Spectral Study of the WNL Star FSZ35 in the M33 Galaxy
Spectral synthesis of circumstellar disks - application to white dwarf debris disks
Spectral Type and Radial Velocity Variations in Three SRC Variables
Spectral Types of Red Supergiants in NGC 6822 and the Wolf-Lundmark-Melotte Galaxy