21-cm Line Observations of Galaxies in the Zone of Avoidance

Details 21-cm Line Observations of Galaxies in the Zone of Avoidance 21-cm Line Observations of Galaxies in the Zone of Avoidance

Mar 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997aj....113..905p&link_type=abstract

Astronomical Journal v.113, p. 905-936 (1997)

Astronomy and Astrophysics

Astronomy

20

Scientific paper

We present HI 21-cm line observations of 543 galaxies at low galactic latitude in the Galactic Anticenter region of the Zone of Avoidance (4(h) <=alpha <= 8(h) , 0arcdeg <=delta <= 37arcdeg ). The sample comprises 147 catalogued objects (from UGC, CGCG, MCG, and IRAS) still missing a redshift measurement and a list of 369 objects selected from an extensive optical compilation of galaxy candidates in this area. The spectra were acquired using the 305-m Arecibo telescope and cover a velocity range from -350 to +13800 km s(-1) at a resolution of about 16 km s(-1) . 196 galaxies were detected, 59 of the catalogued ones and 137 from the optical compilation. The HI derived properties are presented, as is a discussion regarding the redshift distribution in this region. Our data seems to be consistent with a link across the Zone of Avoidance between the Pisces-Perseus supercluster and Abell 569.

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