REFLEX galaxies redshifts (Guzzo+, 2009)

Details REFLEX galaxies redshifts (Guzzo+, 2009) REFLEX galaxies redshifts (Guzzo+, 2009)

May 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009ycat..34990357g&link_type=abstract

VizieR On-line Data Catalog: J/A+A/499/357. Originally published in: 2009A&A...499..357G

Computer Science

Surveys, Galaxy Catalogs, Redshifts

Scientific paper

We present the final data from the spectroscopic survey of the ROSAT-ESO Flux-Limited X-ray (REFLEX) catalogue of galaxy clusters. The REFLEX survey covers 4.24 steradians (34% of the entire sky) below a declination +2.50° and at high galactic latitude (|b|<20°). The full survey includes 447 galaxy clusters with a median redshift of 0.08 and is better than 90% complete to a limiting flux of fX=3x10-12ergs/s/cm2 (3fW/m2^, 0.1 to 2.4keV), representing the largest statistically homogeneous sample of clusters to date drawn from the ROSAT All-Sky Survey (RASS). Here we describe the details of the spectroscopic observations carried out at the ESO 1.5m, 2.2m and 3.6m telescopes, the data reduction and redshift measurements techniques. The spectra typically cover the wavelength range 3600-7500Å at a two-pixel resolution of ~14Å . From calibrations and external checks the redshifts are accurate to a typical rms error of ±100km/s.
(1 data file).

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