Session 15. Planetary Nebulae

Display, Wednesday, January 6, 1999, 9:20am-6:30pm, Exhibit Hall 1

15.01 Detection of New Planetary Nebulae from A Complete Sample of Radio Sources

D. L. Kaplan (Cornell University), J. J. Condon (NRAO), Y. Terzian (Cornell University)

15.02 Near-Infrared Spectroscopic Imaging of Planetary Nebulae

C. A. Welch, J. L. Pipher, W. J. Forrest (Univ. of Rochester), C. E. Woodward (Wyoming Infrared Observatory)

15.03 Near-Infrared Spectroscopic Observations of H₂ Emission in Planetary Nebulae

L. Likkel (U. Wisconsin -- Eau Claire), H.L. Dinerstein (U. Texas at Austin), D. Lester (U. Texas at Austin), A. Kindt (U. Wisconsin -- Eau Claire)

15.04 Another Look at O/H Abundances in Planetary Nebulae derived from O II Recombination Lines

H.L. Dinerstein (U. Texas, Austin), D. R. Garnett (U. Arizona), C. Pulliam Lafon (Brookhaven Nat. Lab.)

15.05 Sulfur And Argon Abundances In Type II Planetary Nebulae

J.B. Milingo, R.B.C. Henry (U Oklahoma), K.B. Kwitter (Williams College)

15.06 The Chemical Abundances of Planetary Nebulae in M31's Bulge and Disk

R. Ciardullo (Penn State), G. H. Jacoby (NOAO)

15.07 High Spectral-Resolution Observations of Absorption Lines from Neutral Envelopes of Planetary Nebulae

R.S. French, H.L. Dinerstein, C. Sneden (U. Texas)

15.08 Unwinding the Helix

P.J. Huggins (NYU), K. Young (SAO), P. Cox (IAS, Paris), T. Forveille (Obs. de Grenoble), R. Bachiller (OAN, Madrid)

15.09 The Hubble Heritage Image of the Ring Nebula

H.E. Bond, C.A. Christian, J. English, L. Frattare, F. Hamilton, A. L. Kinney, Z. Levay, K. S. Noll (STScI), Hubble Heritage Team

15.10 Stellar Evolution in Real Time: Photometry of the "Born-Again" Final Helium Shell Flash Star - Sakurai's Object (V4334 Sgr)

E.F. Guinan, L.E. DeWarf, G.P. McCook, P. DiTuro, R. Mittal (Villanova University), S.J. Margheim (Indiana University)