| Publication |
Knots in Nearby Planetary Nebulae, O'Dell, C. R.,Balick, B.,Hajian, A. R., The Astronomical Journal, 123, 2002-06-01 00:00:00, 2002AJ....123.3329O||Molecular Hydrogen in the Ring Nebula: Clumpy Photodissociation Regions, Speck, Angela K.,Meixner, Margaret,Jacoby, George H., Publications of the Astronomical Society of the Pacific, 115, 2003-02-01 00:00:00, 2003PASP..115..170S||Spatially Resolved O II Recombination Line Observations of the Ring Nebula, NGC 6720, Garnett, Donald R.,Dinerstein, Harriet L., The Astrophysical Journal, 558, 2001-09-01 00:00:00, 2001ApJ...558..145G||Studies of NGC 6720 with Calibrated HST/WFC3 Emission-line Filter Images. III. Tangential Motions using AstroDrizzle Images, O'Dell, C. R.,Ferland, G. J.,Henney, W. J., The Astronomical Journal, 145, 2013-06-01 00:00:00, 2013AJ....145..170O||Studies of NGC 6720 with Calibrated HST/WFC3 Emission-line Filter Images. I. Structure and Evolution, O'Dell, C. R.,Ferland, G. J.,Henney, W. J., The Astronomical Journal, 145, 2013-04-01 00:00:00, 2013AJ....145...92O||The Three-Dimensional Ionization Structure and Evolution of NGC 6720, The Ring Nebula, O'Dell, C. R.,Sabbadin, F.,Henney, W. J., The Astronomical Journal, 134, 2007-10-01 00:00:00, 2007AJ....134.1679O||Unveiling shocks in planetary nebulae, Guerrero, Martín A.,Toalá, Jesús A.,Medina, Juan J., Astronomy and Astrophysics, 557, 2013-09-01 00:00:00, 2013A&A...557A.121G |
