Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986aj.....92..713b&link_type=abstract
Astronomical Journal (ISSN 0004-6256), vol. 92, Oct. 1986, p. 713-721. Research supported by the Ministere de l'Education du Que
Astronomy and Astrophysics
Astronomy
6
Astronomical Photography, Quasars, Color, Image Analysis, Magnitude, Point Spread Functions, Preprocessing, Red Shift
Scientific paper
The authors present four-color imagery of the quasar PHL 1070. The structure and color of the fuzz surrounding the quasar are consistent with the hypothesis that it is a spiral galaxy at the redshift of the emission lines of the nucleus. The inner isophotes of the fuzz show a bar but the nucleus is probably not centered on it. The authors also see a dimple in the light distribution giving evidence of perturbations near the core of PHL 1070. They discuss the problems involved with making color maps of sharply peaked images. The CCD frames contain several images of faint galaxies. The colors and magnitudes of these galaxies are consistent with the assumption that they are background objects. The authors present evidence that could indicate that PHL 1070 is an old quasar that was triggered by interaction over 108years ago. They also point out a similarity with the M51/NGC 5195 system.
Borra Ermanno F.
Noreau Louis
Petrucci F.
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