ASTRONOMICAL SPECTROSCOPY; LINE SPECTRA; MASS FLOW RATE; STELLAR MASS EJECTION; ABSORPTION SPECTRA; PLANETARY NEBULAE; STELLAR SPECTRA; ULTRAVIOLET ASTRONOMY
Abstract :
[en] The first order moment of P Cygni line profiles has been computed for the case of doublets and subordinate line transitions. This improved method can be used for deriving more accurate mass-loss rates of planetary nebula nuclei, broad absorption line quasars, etc.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Hutsemekers, Damien ; Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Astroph. extragalactique et observations spatiales (AEOS)
Surdej, Jean ; Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Astroph. extragalactique et observations spatiales (AEOS)
Language :
English
Title :
Improved first order moment method for determination of mass-loss rates
Publication date :
1988
Event place :
Turin, Italy
Event date :
May 4-8, 1987
By request :
Yes
Audience :
International
Main work title :
Mass outflows from stars and galactic nuclei; Proceedings of the Second Torino Workshop