Mon. Not. R. Astron. Soc., 460, 923-941 (2016/July-3)
The WSRT ZoA Perseus-Pisces filament wide-field HI imaging survey - I. HI catalogue and atlas.
RAMATSOKU M., VERHEIJEN M.A.W., KRAAN-KORTEWEG R.C., JOZSA G.I.G., SCHRODER A.C., JARRETT T.H., ELSON E.C., VAN DRIEL W., DE BLOK W.J.G. and HENNING P.A.
Abstract (from CDS):
We present results of a blind 21cm H i-line imaging survey of a galaxy overdensity located behind the Milky Way at , b ≃ 160deg, 0_.^○5. The overdensity corresponds to a zone-of-avoidance crossing of the Perseus-Pisces Supercluster filament. Although it is known that this filament contains an X-ray galaxy cluster (3C 129) hosting two strong radio galaxies, little is known about galaxies associated with this potentially rich cluster because of the high Galactic dust extinction. We mapped a sky area of ∼9.6 deg^2 using the Westerbork Synthesis Radio Telescope in a hexagonal mosaic of 35 pointings observed for 12 h each, in the radial velocity range cz=2400-16 600 km s^-1. The survey has a sensitivity of 0.36 mJy beam^-1 rms at a velocity resolution of 16.5 km s^-1. We detected 211 galaxies, 62 per cent of which have a near-infrared counterpart in the UKIDSS Galactic Plane Survey. We present a catalogue of the H i properties and an H i atlas containing total intensity maps, position-velocity diagrams, global H i profiles and UKIDSS counterpart images. For the resolved galaxies we also present H i velocity fields and radial H i surface density profiles. A brief analysis of the structures outlined by these galaxies finds that 87 of them lie at the distance of the Perseus-Pisces Supercluster (cz ∼ 4000-8000 km s^-1) and seem to form part of the 3C 129 cluster. Further 72 detections trace an overdensity at a velocity of cz ≃ 10 000 km s^-1 and seem to coincide with a structure predicted from mass density reconstructions in the first 2MASS Redshift Survey.
© 2016 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society
atlases - catalogues - surveys - galaxies: clusters: general - radio lines: galaxies - radio lines: galaxies
VizieR on-line data:
<Available at CDS (J/MNRAS/460/923): table1.dat tablea1.dat tablea2.dat img/*>
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