Variable Hα line emission from the central star of the Helix Nebula

Astronomical Journal

Volumn 122, Issue 1, 2001, Pages 308-312

  Gruendl, Robert A ^a   Chu, You Hua ^a   O'Dwyer, Ian J ^a   Guerrero, Martín A ^a  

^a UNIVERSITY OF ILLINOIS AT URBANA CHAMPAIGN   (United States)

Author keywords

Planetary nebulae: individual (NGC 7293); Stars: activity; Stars: individual (WD 2226 210); White dwarfs

Indexed keywords

EID: 0040489106     PISSN: 00046256     EISSN: None     Source Type: Journal    
DOI: 10.1086/321126     Document Type: Article

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