Hα-EMISSION Stars Associated with a Dark Lane in Lupus.
Hα-emission stars in and near NGC 7000
Hα-emission stars in and near NGC 7000. II
Hα-Flares: The Response of the Chromosphere to a Downward Shock Wave
Hα-FUV Flux Ratios of Local Volume Galaxies: Effects of Systematic Biases on Upper IMF Constraints
Hα19 in the galaxy M 33, a high-luminosity massive merging eclipsing binary
Hαspectropolarimetry of RY Tau and PX Vul
Hβ and continuum variability in the Seyfert galaxy Akn 120 from Crimean observations during 1974-1990
Hβ and [o III] Fluices from Planetary Nebulae. II.
Hβ and [o III] Fluxes from Planetary Nebulae.
Hβ and [O III] lambda 5007 Profiles in Radio-loud Quasars
Hβ Chromospheric Magnetic Field in a Quiescent Filament
Hβ Doppler-velocity fields within sites of flares in a solar active region
Hβ line profile variation and the structure of the Akn 120 emitting region
Hβ Observations of 44 i Bootis
Hβ Observations of Two Subclusterings in the Orion OB1 Association
Hβ Photometry for the Association i Lacertae.
Hβ Photometry of BW Vulpeculae
Hβ Photometry of Field Horizontal-Branch Stars
Hβ Photometry of Galactic Nebulae at ???? > 20°