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A detailed study of the CIV 1550 line profile and adjacent spectral features in NGC 4151 from 1978 up to 1983

Published online by Cambridge University Press:  19 July 2016

J. Clavel ,
A. Altamore ,
A. Boksenberg ,
G.E. Bromage ,
A. Elvius ,
D. Pelat ,
C. Perola ,
M.V. Penston ,
M.A.J. Snijders  and
M.H. Ulrich
J. Clavel
Affiliation:
ESA IUE Observatory, Apartado 54065, Madrid, Spain
A. Altamore
Affiliation:
Instituto Astronomico dell 'Universita, Roma, Italy
A. Boksenberg
Affiliation:
Royal Greenwich Observatory, East Sussex, UK
G.E. Bromage
Affiliation:
Rutherford & Appleton Laboratory, Oxfordshire, UK
A. Elvius
Affiliation:
Stockolm Observatory, 1330 Saltsjobaden, Sweden
D. Pelat
Affiliation:
Observatoire de Meudon, 92195 Meudon, France
C. Perola
Affiliation:
Instituto Astronomico dell 'Universita, Roma, Italy
M.V. Penston
Affiliation:
Royal Greenwich Observatory, East Sussex, UK
M.A.J. Snijders
Affiliation:
Royal Greenwich Observatory, East Sussex, UK
M.H. Ulrich
Affiliation:
ESO, Garching bei Munchen, FRG

Abstract

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Fitting technics are applied to study the variations of the 1550 line profile and adjacent features in the IUE spectrum of the Seyfert galaxy NGC 4151, from 1978 up to 1983. New important results are found concerning the kinematics and physics of the emission line gas at a few light-days from the continuum source.

Type
III. Spectral Line Studies
Information
Symposium - International Astronomical Union , Volume 119: Quasars , 1986 , pp. 351 - 352
Copyright
Copyright © Reidel 1986 

References

Bromage, G.E. et al, 1985, Mon. Not. R. Astr. Soc 215, 1.CrossRefGoogle Scholar
Ulrich, M.H. et al, 1985, Nature 313, 745.CrossRefGoogle Scholar