Deep radio maps of BL Lacertae and 3C 446

Details Deep radio maps of BL Lacertae and 3C 446 Deep radio maps of BL Lacertae and 3C 446

May 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986apj...304..634a&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 304, May 15, 1986, p. 634-636.

Astronomy and Astrophysics

Astronomy

18

Astronomical Maps, Bl Lacertae Objects, Centimeter Waves, Extragalactic Radio Sources, Radio Jets (Astronomy), Blazars, Diffuse Radiation, Optical Polarization, Radiant Flux Density, Visible Spectrum

Scientific paper

Deep 20 cm B-configuration VLA maps have been made of the blazars BL Lacertae and 3C 446. Dynamic ranges of 5000-6300 (peak/3-sigma) have been achieved. The diffuse emission associated with BL Lacertae has a flux of about 29 mJy, corresponding to 2.7 x 10 to the 30th ergs/s Hz, and an extent of 40 arcsec equal to 48 kpc. The data are consistent with the hypothesis that BL Lacertae is a normal double radio galaxy seen from the jet direction. For 3C 446, any diffuse emission well separated from the core must be weaker than 1.3 mJy = 6 x 10 to the 31st ergs/s Hz per 4.4 arcsec (25 kpc) beam. A deep A-configuration map of 3C 446 is needed to search for a diffuse halo near the core.

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