A search for Lyman-alpha emitting objects in a structure between a quasar pair at a redshift of 2

Details A search for Lyman-alpha emitting objects in a structure between a quasar pair at a redshift of 2 A search for Lyman-alpha emitting objects in a structure between a quasar pair at a redshift of 2

Jun 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26a...217....1r&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 217, no. 1-2, June 1989, p. 1-3.

Astronomy and Astrophysics

Astrophysics

10

Emission Spectra, Lyman Alpha Radiation, Quasars, Red Shift, Absorption Spectra, Charge Coupled Devices, Galactic Evolution, Image Processing, Radio Galaxies

Scientific paper

We present the results of a search for Lyman-alpha emitting objects at z = 2.1 + or - 0.05, through narrow band imaging of two fields between a quasar pair with many sometimes common, heavy element absorption systems with z(abs) between 1.85 and 2.14. Objects with unusually bright narrow band emission are not detected as compared to their fluxes in broad band B and V. At the detection limit in the narrow band of 1.2 x 10 to the -16th erg/sq cm/s at 4 arcsec resolution we could have detected objects with a Lyman-alpha luminosity 30 times weaker than that of the object recently detected by McCarthy et al. (1987).

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