Astron. J., 129, 220-238 (2005/January-0)
The H I Parkes zone of avoidance survey: the northern extension.
DONLEY J.L., STAVELEY-SMITH L., KRAAN-KORTEWEG R.C., ISLAS-ISLAS J.M., SCHROEDER A., HENNING P.A., KORIBALSKI B., MADER S. and STEWART I.
Abstract (from CDS):
We present the results of the northern extension of the H I Parkes Zone of Avoidance Survey, a blind H I survey utilizing the multibeam receiver on the Parkes 64 m telescope. In the two regions studied here, l=36°-52° and l=196°-212°,|b|≤5°, we have detected 77 H I galaxies, 20 of which have been previously detected in H I. The survey has a median rms noise of 6.0 mJy/beam and is complete to a mean flux density of 22 mJy. We have searched for multiwavelength counterparts to the 77 galaxies detected here: 19, 27, and 11 have a likely optical, 2MASS, and IRAS cataloged counterpart, respectively. A further 16 galaxies have likely visible counterparts on the Digitized Sky Survey. The detection of these 77 galaxies allows a closer inspection of the large-scale structures in these regions. We see several filaments crossing the Galactic plane, one of which appears to be the continuation of a sine-wave-like feature that can be traced across the whole southern sky. An analysis of the H I mass function suggests that the regions studied here may be underdense. One particularly noteworthy galaxy is HIZOA J0630+08 (l,b=203°,-0°.9) with a velocity of 367±1 km/s. We suggest that it belongs to the nearby Orion Group, which includes a small number of dwarf galaxies. The newly detected galaxies improve our understanding of the properties of several voids, such as the Orion, Gemini, and Canis Major voids.
Galaxies: Distances and Redshifts - Galaxies: Fundamental Parameters - Cosmology: Large-Scale Structure of Universe - Surveys
VizieR on-line data:
<Available at CDS (J/AJ/129/220): table1.dat table2.dat>
Table 1: HIZOA JHHMM+DDA N=77.
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