Article (Scientific journals)
Further spectroscopic observations of 25 quasi-stellar objects
Surdej, Jean; Swings, Jean-Pierre
1981In Astronomy and Astrophysics. Supplement Series, 46, p. 305-309
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Keywords :
QUASARS; RED SHIFT; ABSORPTION SPECTRA; EMISSION SPECTRA; LINE SPECTRA; STELLAR SPECTRA; VARIABILITY; ASTRONOMICAL SPECTROSCOPY
Abstract :
[en] Spectroscopic observations are reported for 25 quasars suspected of having line profiles which are indicative of mass outflow from the central quasar. The quasars were selected on the basis of optical variability and/or the presence of P Cygni spectral profiles, and large emission redshift, and observed on widened spectrograms obtained at the Cassegrain focus of the ESO 3.6-m telescope at La Silla during December 1977 and July 1978. Observations confirm the previously detected emission and absorption redshifts for most of the quasars, and reveal previously undetected lines and absorption redshifts in a few cases.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Surdej, Jean  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Astroph. extragalactique et observations spatiales (AEOS)
Swings, Jean-Pierre ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Département d'astrophys., géophysique et océanographie (AGO)
Language :
English
Title :
Further spectroscopic observations of 25 quasi-stellar objects
Publication date :
November 1981
Journal title :
Astronomy and Astrophysics. Supplement Series
ISSN :
0365-0138
eISSN :
1286-4846
Publisher :
EDP Sciences, Les Ulis, France
Volume :
46
Pages :
305-309
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 19 August 2009

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