PN Dynamics Papers [Virgo image] [M31 image]

Abundance Measurements Publications

Jacoby, G.H., & Ciardullo, R. 1999, ``Chemical Abundances of Planetary Nebulae in the Bulge and Disk of M31,'' Ap. J., 515, 169. [ADS - Abstract and Full Paper]

Ciardullo, R., & Jacoby, G.H. 1999, ``The Circumstellar Extinction of Planetary Nebulae,'' Ap. J., 515, 191. [ADS - Abstract and Full Paper]


Web page by Robin Ciardullo ( rbc@astro.psu.edu )
Department of Astronomy and Astrophysics
Penn State University