Are High-Velocity Clouds a Common Feature of Star Forming Galaxies?

HVCs as Local Group Building Blocks?

Compact HVC Typical HI Masses and Sizes

HVC Distances

Direct Distance Determinations

HVC Distances

Compact HVC Ha Detections

HVC Distances

Deep Surveys of Groups

HVC Distances

HVC Distances

Slide 12

Incoming Star Formation Fuel?

Smooth Accretion of Intergalactic Gas

Mergers and Satellite Accretion

Galactic Fountain Material

Our Galaxy

Slide 18

Slide 19

Anomalous HI around galaxies

Slide 21

Questions to be answered

Slide 23

Slide 24

Questions to be answered

Target Selection