Astron. J., 150, 28 (2015/July-0)
The ALFA ZOA deep survey: first results.
McINTYRE T.P., HENNING P.A., MINCHIN R.F., MOMJIAN E. and BUTCHER Z.
Abstract (from CDS):
The Arecibo L-band Feed Array Zone of Avoidance (ALFA ZOA) Deep Survey is the deepest and most sensitive blind H i survey undertaken in the ZOA. ALFA ZOA Deep will cover about 300 square degrees of sky behind the Galactic Plane in both the inner (30° ≤ l ≤ 75 ° ;b ≤ |2°|) and outer (175° ≤ l ≤ 207° ; -2 ≤ b ≤ +1°) Galaxy, using the Arecibo Radio Telescope. First results from the survey have found 61 galaxies within a 15 square degree area centered on l = 192° and b = -2°. The survey reached its expected sensitivity of rms = 1 mJy at 9 km/s channel resolution, and is shown to be complete above integrated flux, FHi= 0.5 Jy km/s. The positional accuracy of the survey is 28" and detections are found out to a recessional velocity of nearly 19,000 km/s. The survey confirms the extent of the Orion and Abell 539 clusters behind the plane of the Milky Way and discovers expansive voids, at 10,000 and 18,000 km/s. Twenty-six detections (43%) have a counterpart in the literature, but only two of these have known redshifts. Counterparts are 20% less common beyond vhel= 10,000 km/s and 33% less common at extinctions higher than AB= 3.5 mag. The ALFA ZOA Deep survey is able to probe large scale structure beyond redshifts that even the most modern wide-angle surveys have been able to detect in the ZOA at any wavelength.
catalogs - galaxies: distances and redshifts - large-scale structure of universe - methods: data analysis - methods: observational - surveys
Table 1: ALFA ZOA JHHMM+DDMM N=61.
C1,C5,C10,C21 and C31 are [ELH2006] CNN in Simbad, but only C5 is in Simbad (no coordinates).
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