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J/ApJS/193/28 Probing the IGM/Galaxy connection. IV. (Prochaska+, 2011)
The following files can be converted to FITS (extension .fit or fit.gz)
table1.dat table4.dat table[5-9].dat table1[0-9].dat table2[0-3].dat
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Query from: http://vizier.cds.unistra.fr/viz-bin/VizieR?-source=J/ApJS/193/28
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Beginning of ReadMe :J/ApJS/193/28 Galaxy survey around 20 UV-bright quasars (Prochaska+, 2011)
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Probing the IGM/Galaxy connection.
IV. The LCO/WFCCD galaxy survey of 20 fields surrounding UV-bright quasars.
Prochaska J.X., Weiner B., Chen H.-W., Cooksey K.L., Mulchaey J.S.
<Astrophys. J. Suppl. Ser., 193, 28 (2011)>
=2011ApJS..193...28P
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ADC_Keywords: Redshifts ; Spectroscopy ; Galaxies, photometry ; QSOs
Keywords: galaxies: statistics - intergalactic medium -
quasars: absorption lines
Abstract:
We publish the survey for galaxies in 20 fields containing ultraviolet
bright quasars (with z_em_ 0.1-0.5) that can be used to study the
association between galaxies and absorption systems from the low-z
intergalactic medium (IGM). The survey is magnitude limited
(R 19.5mag) and highly complete out to 10' from the quasar in each
field. It was designed to detect dwarf galaxies (L 0.1L*) at an impact
parameter rho 1Mpc (z=0.1) from a quasar. The complete sample (all
20 fields) includes R-band photometry for 84718 sources and confirmed
redshifts for 2800 sources. This includes 1198 galaxies with
0.005<z<(z_em_-0.01) at a median redshift of 0.18, which may
associated with IGM absorption lines. All of the imaging was acquired
with cameras on the Swope 40" telescope and the spectra were obtained
via slit mask observations using the WFCCD spectrograph on the Dupont
100" telescope at Las Campanas Observatory.
Description:
We selected 20 fields accessible from Las Campanas Observatory (LCO)
(DEC<25deg) surrounding UV-bright quasars. These quasars and their
UV spectroscopic data sets are summarized in Table 1.
All of the fields in our survey were imaged with the Swope 40"
telescope using a direct imaging camera in B and R filter. The data
were obtained in a series of dithered exposures intended to map at
least a 20'x20' FOV, between 2000 Oct 26 and 2003 Apr 8.
We performed multi-slit spectroscopy on each field with the WFCCD
spectrometer using the blue grism and the Tek 5 CCD, between 2001 Apr
17 and 2003 Jun 6.