The nature of the cometary knots in the Helix planetary nebula (NGC 7293)

Monthly Notices of the Royal Astronomical Society

Volumn 294, Issue 2, 1998, Pages 201-223

  Meaburn, J ^a   Clayton, C A ^b   Bryce, M ^a   Walsh, J R ^c   Holloway, A J ^a   Steffen, W ^a  

^a UNIVERSITY OF MANCHESTER   (United Kingdom)

^b RUTHERFORD APPLETON LABORATORY   (United Kingdom)

^c EUROPEAN SOUTHERN OBSERVATORY   (Germany)

Author keywords

Planetary nebulae: individual: NGC 7293

Indexed keywords

ELECTROMAGNETIC WAVE EMISSION; KINEMATICS; SPECTROGRAPHS; SPECTROSCOPIC ANALYSIS; STARS; VELOCITY;

CO EMISSIONS; ECHELLE SPECTROGRAPH; EMISSION LINES; ESO/NTT; GROUND BASED; HELIX PLANETARY NEBULA; LINE: PROFILES; MANCHESTER; PLANETARY NEBULA; PLANETARY NEBULA: INDIVIDUAL: NGC 7293;

GALAXIES;

EID: 0000039236     PISSN: 00358711     EISSN: None     Source Type: Journal    
DOI: 10.1111/j.1365-8711.1998.01152.x     Document Type: Article

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