H_3(+) Emission at the Foot of the Io Flux Tube

H_3^(2+) molecular ion in a strong magnetic field: a triangular configuration

H_3^{++}$ molecular ion in a strong magnetic field: triangular configuration

H_alpha emission fluxes and lithium abundances of low mass stars in the young open cluster IC 4665

H_alpha Emission from High-Velocity Clouds and their Distances

H_alpha Emission Line Morphologies in Markarian Starburst Galaxies

H_alpha emission line morphologies of Markarian starburst galaxies

H_alpha Observations of SS Cyg at Quiescence and Outburst

H_gamma Line Spectrum of Intermediate Polars

H_{2}O^{+} in Spectra of Comet Bradfield (1974b)

H_α Survey of Galaxies in Hickson Compact Groups

H_αLuminosity and Star Formation of Galaxies in HCGs

Hɛ Emission in the Spectrum of Arcturus

Hα and Far-infrared Correlation in Early-type Spirals

Hα Star-Formation Rates for the z=0.84 Galaxy Cluster CLJ0023+0423B

Hα -Derived Star-Formation Rates of 0.6 < z < 0.8 Galaxy Clusters

Hα absolute Chromospheric fluxes in G and K. stars

Hα Activity and the Light Curve of the RS Canum Venaticorun Star DH Leo (HD86590)

Hα Activity in the RS CVn System, SZ Psc

Hα Activity in X-Ray Bright Points and the Origin of Spicules