Discovery of an apparent companion galaxy to Q1548 + 0917 with Z = 2.758

Details Discovery of an apparent companion galaxy to Q1548 + 0917 with Z = 2.758 Discovery of an apparent companion galaxy to Q1548 + 0917 with Z = 2.758

Apr 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991aj....101.1187s&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 101, April 1991, p. 1187-1195.

Astronomy and Astrophysics

Astronomy

34

Galactic Structure, Interacting Galaxies, Quasars, Astronomical Spectroscopy, Emission Spectra, Lyman Alpha Radiation, Red Shift, Signal To Noise Ratios, Very Large Array (Vla)

Scientific paper

The discovery of a resolved companion to the QSO Q1548 + 0917 (redshift 2.749) is reported. The possible nature of the companion, designated C1548 + 0917, is discussed, and new spectroscopic observations of the prototypical case of a Lyman alpha emitting companion to a high-redshift QSO, PKS 1614 + 0508 A, are presented for comparison. C1548 + 0917 appears to be the first case of a radio-quiet continuum object discovered in the vicinity of what must be considered a radio-quiet QSO at high redshift. Evidence is also found for extended Lyman alpha emission associated with the QSO itself.

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