Arecibo Observation of B2 0902+343 in the 21 Centimeter Line at Redshift 3.4

Details Arecibo Observation of B2 0902+343 in the 21 Centimeter Line at Redshift 3.4 Arecibo Observation of B2 0902+343 in the 21 Centimeter Line at Redshift 3.4

Oct 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993apj...415l..99b&link_type=abstract

Astrophysical Journal Letters v.415, p.L99

Astronomy and Astrophysics

Astronomy

24

Cosmology: Observations, Ism: General, Radio Lines: Galaxies

Scientific paper

New Arecibo observations of the high-redshift radio galaxy B2 0902 + 343 confirm the detection of absorption in the 21 cm line of neutral hydrogen at z_abs_ = 3.397 (Uson, Bagri, & Cornwell 1991a) against the radio continuum source. The Arecibo observations do not confirm the presence of H I emission from a Zel'dovich "pancake" at z ~ 3.4 in the direction 09^h^03.8^m^ + 33^deg^52'; the emission feature was expected to be observed with greater than 10 σ significance.

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