H band Image of a Planetary Companion around HR 8799 in 2002

H II regions: Witnesses to massive star formation

H-cluster stars

H2 flows in the Corona Australis cloud and their driving sources

H2 reformation in post-shock regions

H2O Maser Polarization of the Water Fountains IRAS 15445-5449 and IRAS 18043-2116

Habitable Zones and UV Habitable Zones around Host Stars

Habitable Zones of Host Stars During the Post-MS Phase

Hadron-Quark Phase Transitions in Hyperon Stars

Hall instability of solar flux tubes

Halpha spectropolarimetry of the B[e] supergiant GG Carinae

Hanle signatures of the coronal magnetic field in the linear polarization of the hydrogen LyAlpha line

Hard X-ray and UV Observations of the 2005 January 15 Two-ribbon Flare

Hard X-ray emission in the star-forming region ON2: discovery with XMM-Newton

Hard X-ray footpoint sizes and positions as diagnostics of flare accelerated energetic electrons in the low solar atmosphere

Has a star enough energy to excite the thousand of modes observed with CoRoT?

HD 100453: A Link Between Gas-Rich Protoplanetary Disks and Gas-Poor Debris Disks

HD 101088, An Accreting 14 AU Binary in Lower Centaurus Crux With Very Little Circumstellar Dust

HD 11397 and HD 14282 - Two new barium stars?

HD 135344B: a young star has reached its rotational limit