- Structure and emission of protoplanetary disks: irradiated accretion disks
- Protoplanetary disk evolution
- Signatures of protoplanets: transitional and pre-transitional disks
- Mass accretion onto young stars: magnetospheric accretion, accretion shocks
- Disks below the substellar limit
- Discovery and characterization of young stellar populations
- Protostars and the youngest disks
- Winds of young objects