Other
Scientific paper
Aug 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006ycat..34340801z&link_type=abstract
VizieR On-line Data Catalog: J/A+A/434/801. Originally published in: 2005A&A...434..801Z
Other
X-Ray Sources, Redshifts
Scientific paper
An analysis of the redshift distribution of the sources previously identified in the Lockman Hole (most of which are optical counterparts of X-ray sources detected by ROSAT and XMM) has revealed the existence of 8 sources in the narrow redshift range 0.780-0.807 (~74~Mpc). These sources are located within a region of about 20-arcmin. In the same region we have found another object with a photometrically estimated redshift of 0.8+/-0.1
To confirm this we have obtained multi-object spectroscopy of 215 galaxies in the same area. We used the multi-object spectroscopic mode (MOS) of the optical spectrometer DOLORES, at the Telescopio Nazionale Galileo (TNG), with the LR-R grating, which covers the 4470-10360{AA} range at a resolution of 11{AA}.
(1 data file).
Ferrara Andrea
Finoguenov Alexis
Gilli Roberto
Maiolino Roberto
Mannucci Filippo
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