H II regions in the Sco OB 1 association.

H II Regions in Twenty Nearby Galaxies

H II regions of the northern Milky Way: medium-large-field photographic atlas and catalogue.

H II regions, infrared dark molecular clouds and the local geometry of the Milky Way's nuclear star-forming ring

H II regions: Witnesses to massive star formation

H Lyman alpha transport in the heliosphere based on an expansion into scattering hierarchies.

H Lyman α line in Jovian aurorae: electron transport and radiative transfer coupled modelling

H Lyman-alpha emission at Neptune - Voyager prediction

H N Regions near the Nucleus of M 33

H αfiltergram observations of ellerman bombs and its magnetic reconnection model

H$_2$ Emission Nebulosity Associated with KH 15D

H$_2$D$^+$ line emission in Proto-Planetary Disks

H$_2$O maser emission from bright rimmed clouds in the northern hemisphere

H$α$ kinematics of KPG 390

H$α$ long term monitoring of the Be star $β$ Cep Aa

H$α$-Derived Star-Formation Rates for the z=0.84 Galaxy Cluster CLJ0023+0423B

H$β$ Line Widths as an Orientation Indicator for Low-Ionization Broad Absorption Line Quasars

H(alpha) Emission from Late Type Be Stars

H(C-12)O(+) outflow and a rotating H(C-13)O(+) disk around L1551 IRS-5

H+ + H(1s) collisions at intermediate impact velocities as a new source of UV and VUV radiation