Hβ photometry of southern CP2 stars: is the uvbybeta luminosity calibration also valid for peculiar stars?

Hβ Photometry of the Night Sky

Hβ Photometry of the Night Sky

Hβ Photometry of the Pleiades.

Hβ radiation in the spectrum of the night sky

Hβ spectra of high-redshift QSOs: Eigenvector 1 at high luminosities

Hβ, He D3 and Ca+ λ8542 Measurements in Quiescent Prominences.

Hβ, Hγ and K profiles in chromospheric spicules

Hγ & Hδ absorption features (Worthey+ 1997)

Hγ Observations for Fourteen of Feige's Faint Blue Stars

H∞ Analysis and Synthesis by Genetic Algorithms of the Attitude Control System of the Brazilian Satellite Launcher

H∞ Method Applied to Launcher Control During Atmospheric Flight

H∞ Techniques: From Research to Industrial Applications