Robert A. Gruendl

1. The Enigmatic X-Ray Point Sources at the Central Stars of NGC 6543 and NGC 7293
   2001/04/16 by Martin A. Guerrero, M. A. Guerrero, You‐Hua Chu +7 · 4 citations
   Physics and Astronomy · #Astrophysical Phenomena and Observations #Astrophysics and Star Formation Studies #Stellar, planetary, and galactic studies #astro-ph
2. Variable Hα Line Emission from the Central Star of the Helix Nebula
   2001/04/16 by R. A. Gruendl, Robert A. Gruendl, You‐Hua Chu +5 · 3 citations
   Physics and Astronomy · #Astrophysical Phenomena and Observations #Astrophysics and Star Formation Studies #Stellar, planetary, and galactic studies #astro-ph
3. Hard X-Ray Emission Associated with White Dwarfs
   2003/01/14 by Ian J. O’Dwyer, I. J. Odwyer, Y. -H. Chu +7 · 1 citation
   Physics and Astronomy · #Astronomy and Astrophysical Research #Astrophysical Phenomena and Observations #Scientific Research and Discoveries #astro-ph