Detection of a galaxy near the line of sight toward the QSO 1209+107

Details Detection of a galaxy near the line of sight toward the QSO 1209+107 Detection of a galaxy near the line of sight toward the QSO 1209+107

Nov 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988a%26a...206l...5a&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 206, no. 1, Nov. 1988, p. L5-L7.

Astronomy and Astrophysics

Astrophysics

11

Astronomical Spectroscopy, Galaxies, Line Of Sight, Quasars, Absorption Spectra, Astronomical Photometry, Metallicity, Red Shift

Scientific paper

Deep imaging of the field of the QSO 1209+107 (z = 2.19) are presented here. The authors report the detection of an extended source very close to the QSO line of sight, which seems to be associated with the absorption line system detected at za = 0.63 in the QSO spectrum. This new object, added to the galaxy at z = 0.392 discovered by Cristiani (1987) seven arcseconds away from the QSO, imply a significant amount of matter along the line of sight. The authors show that gravitational lensing may therefore significantly affect the QSO intrinsic properties.

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