Hα and radio observations of LSI+61o303
Hα and [Fe II] 1.6435 μm Luminosities of IC 443: A Standard Candle for Counting SNR in M82
Hα as a Temperature Indicator in Cepheids
Hα birefringent filter for SST
Hα detection of a clump of distant HII regions in the Milky Way.
Hα Emission and Dynamics in Groups of Galaxies
Hα emission and infrared excess in Be stars: probing the circumstellar disc.
Hα emission from pre-main sequence stars.
Hα Emission in Algol
Hα emission in pre-main sequence stars. I. an atlas of line profiles.
Hα emission in the chromospherically active binary σ_2_ Coronae Borealis (TZ CrB).
Hα emission line spectroscopy in NGC 330. On the hybrid model for global oscillations in Be star circumstellar disks
Hα Emission Regions in Irregular Type II Galaxies
Hα Emission Stars and Peculiar Objects in the Orion Nebula.
Hα Emission Stars in the Cepheus OB3 Region
Hα Emission Variability in Active M Dwarfs
Hα Emission-Line Galaxies in a South Galactic Polar Region
Hα intensity oscillations in large flares
Hα Intensity Oscillations Observed in Solar Flares
Hα Interferometric Optical and Near Infrared Photometric Studies of Star Forming Regions - Part One - the Cepheus-B / SH:2-155 / CEPHEUS-OB3 Association Complex