1) abundance gradients from planetary in the galactic disk. 2) distances of galactic pn from the population segregation of the peimbert types.

• Grant number: 96/03376-4
• Support Opportunities: Research Grants - Meeting - Abroad
• Start date: August 26, 1996
• End date: August 30, 1996
• Field of knowledge: Physical Sciences and Mathematics - Astronomy - Astrophysics of the Interstellar Medium
• Principal Investigator: Walter Junqueira Maciel
• Grantee: Walter Junqueira Maciel
• Host Institution: Instituto de Astronomia, Geofísica e Ciências Atmosféricas (IAG). Universidade de São Paulo (USP). São Paulo , SP, Brazil